CN102408059A - Unhooking device - Google Patents
Unhooking device Download PDFInfo
- Publication number
- CN102408059A CN102408059A CN2011103381389A CN201110338138A CN102408059A CN 102408059 A CN102408059 A CN 102408059A CN 2011103381389 A CN2011103381389 A CN 2011103381389A CN 201110338138 A CN201110338138 A CN 201110338138A CN 102408059 A CN102408059 A CN 102408059A
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- Prior art keywords
- trip mechanism
- mating holes
- travelling cradle
- plate
- suspension bracket
- Prior art date
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- 239000000725 suspension Substances 0.000 claims description 70
- 230000013011 mating Effects 0.000 claims description 52
- 230000007246 mechanism Effects 0.000 claims description 44
- 229910000831 Steel Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention provides a unhooking device which comprises a fixed hanging bracket and a movable hanging bracket, wherein the fixed hanging bracket comprises a bottom plate, a supporting plate arranged on the bottom plate, a matching hole is formed in the supporting plate, the movable hanging bracket comprises a main plate, a lifting device arranged on the main plate, a connecting plate arranged below the main plate, a matching hole is formed in the connecting plate, the unhooking device also comprises a plunger capable of being inserted into the matching hole in the supporting plate of the fixed hanging bracket and the matching hole in the connecting plate of the movable hanging bracket, and a jack arranged on the fixed hanging bracket or the movable hanging bracket and capable of pushing out the plunger accommodated in the matching hole in the supporting plate of the fixed hanging bracket and the matching hole in the connecting plate of the movable hanging bracket from the abutting end of the jack. By adopting the unhooking device, the heavy object lifted by the crane can be ensured to vertically fall when unhooking, and the safety of unhooking operation is improved.
Description
Technical field
The invention relates to instantaneous discharging gear field, and particularly about a kind of trip mechanism.
Background technology
In the process of the utilization of construction machinery and equipments such as hoisting crane and test, often need use trip mechanism, trip mechanism can be realized the unexpected unloading of weight, and operating personal can be near weight, thereby avoids dangerous generation.Existing trip mechanism is more for realize the unhook function of trip mechanism with the stability that changes trip mechanism master suspension hook through its certain movable part of control pulling.But Just because of this; Existing trip mechanism needs extraneous additional pulling force to accomplish in the unhook process; Lifting appliance also need bear additional pulling force in the unhook process, and the unhook direction mostly be one-sided side direction unhook, and weight drops and can bear certain side force; Cause danger easily, can not satisfy the requirement of construction machinery and equipment utilization and test.
Summary of the invention
To the problems referred to above, the purpose of this invention is to provide a kind of trip mechanism, can avoid the weight of lifting appliance and crane loading to bear side force effectively, thereby improve the safety of unhook operation.
A kind of trip mechanism of the present invention; Said trip mechanism comprises fixedly suspension bracket and travelling cradle, and said fixedly suspension bracket comprises base plate, and is arranged on the stay bearing plate on the said base plate; On said stay bearing plate, offer mating holes; Said travelling cradle comprises mainboard, is arranged on the lifting appliance on the said mainboard, and the connecting panel that is arranged on said mainboard below; On said connecting panel, offer mating holes; Said trip mechanism also comprises the mating holes that can insert on the said fixedly hanger supports plate and the plunger of the mating holes on the said travelling cradle connecting panel, and is arranged on said fixedly suspension bracket or the said travelling cradle, and its support end jack that can the mating holes and the plunger in the mating holes on the said travelling cradle connecting panel that be contained on the said fixedly hanger supports plate be ejected.
In one embodiment of the invention, aforesaid trip mechanism also comprises the pinch plate that can the connecting panel of the stay bearing plate of said fixedly suspension bracket and said travelling cradle be fastened togather on said mating holes axial direction.
In one embodiment of the invention, aforesaid trip mechanism comprises two pinch plates, and said pinch plate comprises connecting wall, and from the connecting wall two ends clamp that comes out of vertical extent in the same way.
In one embodiment of the invention, aforesaid pinch plate is fixed on the stay bearing plate of said fixedly suspension bracket or is fixed on the connecting panel of said travelling cradle.
In one embodiment of the invention, the lifting appliance of aforesaid travelling cradle has the plane of symmetry, and the contact surface of the connecting panel of the stay bearing plate of said fixedly suspension bracket and said travelling cradle and said plane of symmetry coplane.
In one embodiment of the invention, aforesaid fixedly suspension bracket also comprises the jack pad assembly that is fixed on the said base plate, and said jack is fixed on the said jack pad assembly, and is fixed on the said base plate through said jack pad assembly.
In one embodiment of the invention; Aforesaid fixedly suspension bracket also comprises the tailgate that is arranged on the said base plate; Said jack pad assembly is arranged between said stay bearing plate and the said tailgate; Expose from said jack pad assembly at said jack two ends, and the end that the one of which end is promptly relative with its support end is replaced said tailgate, and its other end is the mating holes of its support end over against said stay bearing plate.
In one embodiment of the invention; The lifting appliance of aforesaid travelling cradle comprises two support plates that are arranged on the said travelling cradle mainboard; And be arranged between said two support plates, and through the rotating suspension ring that are installed on said two support plates of suspension ring axle.
In one embodiment of the invention, aforesaid plunger is the taper cylinder, the mating holes on the said fixedly hanger supports plate, and the mating holes on the said travelling cradle connecting panel is the taper cylindrical hole.
In one embodiment of the invention, aforesaid trip mechanism also comprises the protection rope, and said plunger ties up on said fixedly suspension bracket or the said travelling cradle through said protection rope movably.
The invention has the beneficial effects as follows that adopt the trip mechanism method of operation of the embodiment of the invention easy, applicability is strong; And when breaking off relations; The weight of lifting appliance and crane loading does not all bear side force, can guarantee the weight vertical drop, has improved the safety of unhook operation.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of specification sheets, and for let above and other objects of the present invention, feature and advantage can be more obviously understandable, below special act embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is that the master of the preferred embodiment of trip mechanism of the present invention looks scheme drawing.
Fig. 2 is the schematic top plan view of the preferred embodiment of trip mechanism of the present invention.
Fig. 3 is that scheme drawing is looked on the right side of the preferred embodiment of trip mechanism of the present invention.
Fig. 4 is that the master of base plate, stay bearing plate and the tailgate of the preferred embodiment of trip mechanism of the present invention looks scheme drawing.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; The specific embodiment, structure, characteristic and effect thereof to a kind of trip mechanism of proposing according to the present invention specify as follows:
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can be known to appear in the following detailed description that cooperates with reference to graphic preferred embodiment.Through the explanation of the specific embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet the appended graphic usefulness that only provides reference and explanation be not to be used for the present invention is limited.
Please with reference to Fig. 1, Fig. 2 and shown in Figure 3, the trip mechanism of the embodiment of the invention comprises fixedly suspension bracket 1, travelling cradle 3, and two pinch plates 5.
Please in the lump with reference to shown in Figure 4, fixedly suspension bracket 1 comprises base plate 12, is arranged on stay bearing plate 14, tailgate 16 on the base plate 12, is arranged on the jack pad assembly 18 between stay bearing plate 14 and the tailgate 16, and by the jack 19 of jack pad assembly 18 supports.Base plate 12, stay bearing plate 14 and tailgate 16 are roughly rectangular, have certain thickness tabular body.Two ends at base plate 12 evenly are furnished with plurality of fixed hole 122 respectively.Stay bearing plate 14 generally perpendicularly is arranged on the base plate 12 with tailgate 16, stay bearing plate 14 and tailgate 16 almost parallel settings, and certain at interval distance.On stay bearing plate 14, offer the mating holes 142 of perforation, the axis of mating holes 142 is roughly parallel to base plate 12 upper surfaces, and perpendicular to tailgate 16.Mating holes 142 is taper cylindrical holes, and its stomidium footpath towards tailgate 16 is less, and is bigger away from the stomidium footpath of tailgate 16.Stay bearing plate 14 is the boundary with the axis of mating holes 142, and bottom thickness is bigger, and top thickness is less, and promptly it is not stepped with tailgate 16 relative one sides, is defined as fitting surface 144 here, comprises fitting surface 146 and following fitting surface 148.Also offer fixed orifice (figure is mark not) in stay bearing plate 14 both sides, so that pinch plate 5 is fixed on stay bearing plate 14 both sides with screw 149.Fixedly the base plate 12 of suspension bracket 1, stay bearing plate 14 and tailgate 16 can be to be made of one piece, and also can be to be welded to each other fixedly by three-lane road shape body to form.
Jack 19 is ccontaining and be fixed in the jack holding part 182 of jack pad assembly 18 through screw 186, and expose from jack holding part 182 at its two ends, the mating holes 142 coaxial settings of jack 19 and stay bearing plate 14.Jack 19 1 ends are replaced tailgate 16, and the other end is over against the mating holes 142 of stay bearing plate 14.
Shown in please seeing figures.1.and.2, travelling cradle 3 comprises mainboard 30, is arranged at the connecting panel 32 and plunger 34 of mainboard 30 belows, and the lifting appliance that is arranged at mainboard 30 tops, and lifting appliance comprises two support plates 36 and suspension ring 38.Mainboard 30, connecting panel 32 and support plate 36 are roughly rectangular, have certain thickness tabular body.Connecting panel 32 is come out by mainboard 30 lower surface vertical extent, offers the jack 322 of perforation on it, and the axis of jack 322 is roughly parallel to the lower surface of mainboard 30, perpendicular to connecting panel 32.In the jack 322 of connecting panel 32, also be provided with axle bush 324, axle bush 324 can be the copper hollow tubular body, and it is fixed on the connecting panel 32 through screw (figure does not show).Be provided with the mating holes 325 of perforation in the axle bush 324, mating holes 325 is taper cylindrical holes, and its stomidium footpath towards stay bearing plate 14 is less, and is bigger away from the stomidium footpath of stay bearing plate 14.Plunger 34 links together through the lower surface of protection rope 326 with mainboard 30, and plunger 34 is taper cylinders, and promptly the one of which end diameter of axle is less, and the other end diameter of axle is bigger.On the end face of the bigger end of plunger 34 diameters, be provided with snap ring 342.Lower surface at mainboard 30 also is provided with snap ring 302.Protection rope 326 1 ends tie up on the snap ring 302 of mainboard 30 lower surfaces, and the other end ties up on the snap ring 342 on plunger 34 end faces, thereby plunger 34 is fixed on the mainboard 30 movably.Two support plates 36 are come out by mainboard 30 upper surface vertical extent, are parallel to each other and certain at interval distance.Suspension ring 38 are installed between two support plates 36 through suspension ring axle 382 rotationally.Suspension ring 38 are cylinder, on its outer peripheral face, are provided with annular recess 384.The mainboard 30 of travelling cradle 3, connecting panel 32 can be to be made of one piece with support plate 36, also can be to be welded to each other fixedly by four tabular bodys to form.
The cross section of pinch plate 5 roughly is " C " type, comprises connecting wall 52, and from connecting wall 52 two ends the clamp 54 that comes out of vertical extent in the same way.On connecting wall 52, be provided with screw hole (figure do not show), pinch plate 5 is fixed on the stay bearing plate 14 of fixing suspension bracket 1 through screw 149.
The concrete installation and the method for application of the trip mechanism of the embodiment of the invention are detailed below.
At first fixedly suspension bracket 1 is fixed on needs through on the weight of crane; Because fixedly the base plate 12 of suspension bracket 1 is provided with fixed orifice 122; Can base plate 12 be fixed on the weight center of top position that need sling or pass its center of gravity through screw or bolt etc.; And, for example be that the hydraulic tubing of the Hydraulically Operated Equipment of hoisting crane is connected on the jack 19 on the fixing suspension bracket 1 with Hydraulically Operated Equipment.Lifting appliance with travelling cradle 3 is hung on the steel rope 7 of hoisting crane then, can steel rope 7 be looped around in the groove 384 of suspension ring 38 peripheries of travelling cradle 3 lifting appliances, and fasten.Generally, this steel rope 7 hangs on the suspension hook of hoisting crane, to realize lifting.
At needs during with the crane weight; At first handle hoisting crane; Make travelling cradle 3 near being fixed on the fixedly suspension bracket 1 that needs through on the weight of crane; And make the mating holes 142 on mating holes 325 secured in alignment suspension brackets 1 stay bearing plate 14 of travelling cradle 3 connecting panels 32 jacks 322 internal axle bushings 324; Aim at that the back will hang over by the operator that plunger 34 on travelling cradle 3 mainboards 30 inserts the mating holes 325 of travelling cradles 3 axle bushes 324 and fixedly in the mating holes 142 on suspension bracket 1 stay bearing plate 14, and plunger 34 is inserted into the end, promptly be inserted into the less end of its diameter and replace the end of jack 19 towards stay bearing plate 14.At last; By the operator two pinch plates 5 are clipped in the connecting panel 32 of travelling cradle 3 and fixing stay bearing plate 14 both sides of suspension bracket 1 respectively; Make the connecting panel 32 of travelling cradle 3 and fixedly the stay bearing plate 14 of suspension bracket 1 be stuck between the clamp 54 of two pinch plates 5; And by the operator two pinch plates 5 are fixed on through screw 149 on the stay bearing plate 14 of fixing suspension bracket 1, promptly fixedly the stay bearing plate 14 of suspension bracket 1 and the connecting panel 32 of travelling cradle 3 are fastened togather on the axial direction of mating holes 142 and mating holes 325 pinch plate 5.Like this, promptly accomplished the dead work of lifting operation.This moment travelling cradle 3 tops the plane of symmetry and travelling cradle 3 connecting panels, 32 internal axle bushings 324 and the fixing contact surface of suspension bracket 1 stay bearing plate 14 of two support plates 36 and suspension ring 38; That is following fitting surface 148 coplanes of stay bearing plate 14, it mainly is in order to guarantee steel rope 7 and said contact surface coplane that this coplane requires.
When the operator handles the crane weight, the fixedly suspension bracket 1 that hoisting crane is sling travelling cradle 3 and fixed together with travelling cradle 3 through steel rope 7, thus sling weight.Under the effect of gravity; The effect that plunger 34 respectively and fixedly produces power between the connecting panel 32 of stay bearing plate 14 and the travelling cradle 3 of suspension bracket 1; But because it receives force direction and plunger 34 axis normal; Plunger 34 can not deviate from the connecting panel 32 of the stay bearing plate 14 of fixing suspension bracket 1 and travelling cradle 3, and weight is along with steel rope 7 is upwards mentioned together.
Need the trip mechanism of the embodiment of the invention thrown off, when weight is fallen,, make the support end poker piston 34 of jack 19, force plunger 34 to move along its axis direction by the hydraulic pressure Hydraulically Operated Equipment that operator's operation links to each other with jack 19.In the support end of jack 19 poker piston 34 moves to the mating holes 142 on the stay bearing plate 14; When also not stretching out mating holes 142; Plunger 34 can withdraw from the mating holes 325 of axle bush 324 on the connecting panel 32; Thereby remove the fixedly marriage relation of suspension bracket 1 and travelling cradle 3, again because the connecting panel 32 of travelling cradle 3 and fixedly the stay bearing plate 14 of suspension bracket 1 be stuck between the clamp 54 of two pinch plates 5, weight can only be together with fixedly suspension bracket 1 and pinch plate 5 together with respect to travelling cradle 3 vertical drops.Like this, promptly accomplished the unhook operation.
Because the shape of the mating holes 325 of axle bush 324 is taper on the mating holes 142 of plunger 34 and the stay bearing plate 14 that cooperates with plunger 34 and the connecting panel 32; Be easy between them closely cooperate; And in the support end of jack 19 during poker piston 34; Because the support end ejection of jack 19 is the less ends of plunger 34 diameters, plunger 34 is easy to deviate from the mating holes 325 of axle bush 324 on the mating holes 142 of stay bearing plate 14 and the connecting panel 32, thereby reduces the needed propelling thrust of this process.The purpose that protection rope 326 is set is when in the mating holes 325 of plunger 34 axle bush 324 on the mating holes 142 of stay bearing plate 14 and connecting panel 32, deviating from, and still keeps being suspended on the mainboard 30 of travelling cradle 3, and can not fly out.Fixedly the fitting surface 144 of suspension bracket 1 stay bearing plate 14 is arranged to steppedly, is in order to guarantee that after plunger 34 is deviate from the connecting panel 32 of travelling cradle 3 can successfully break away from pinch plate 5, and avoids the support end of jack 19 to contact with the connecting panel 32 of travelling cradle 3.Two support plates 36 on travelling cradle 3 tops and the plane of symmetry of suspension ring 38 and travelling cradle 3 connecting panels 32 internal axle bushings 324 and the fixing contact surface of suspension bracket 1 stay bearing plate 14; That is following fitting surface 148 coplanes of stay bearing plate 14; Make the lifting force of steel rope 7 through the travelling cradle 3 and the fixing junction of suspension bracket 1, the lifting force that has reduced steel rope 7 is to fixing suspension bracket 1 moment with the junction generation of plunger 34.
Next time need be the time with this weight of crane; Because pinch plate 5 has been fixed on the stay bearing plate 14 of fixing suspension bracket 1; Handling hoisting crane; Make travelling cradle 3 near being fixed on when needing through the fixedly suspension bracket 1 on the weight of crane; The connecting panel 32 of travelling cradle 3 is inserted between the clamp 54 of stay bearing plate 14 and pinch plate 5 of fixing suspension bracket 1; And make the mating holes 142 on mating holes 325 secured in alignment suspension brackets 1 stay bearing plate 14 of travelling cradle 3 connecting panels 32 jacks 322 internal axle bushings 324, aim at the back by the operator will hang in the jack 322 that plunger 34 on travelling cradle 3 mainboards 30 inserts travelling cradles 3 connecting panels 32 axle bush 324 and fixedly in the mating holes 142 on suspension bracket 1 stay bearing plate 14, can carry out lifting operation.
Trip mechanism of the present invention be applicable to more dynamic compaction machinery this need with same weight sling continuously, break off relations and discharge weight, the machine of the work of slinging.
Like this, adopt the trip mechanism method of operation of the embodiment of the invention easy, applicability is strong, and when breaking off relations, the weight of lifting appliance and lifting does not all bear side force, can guarantee the weight vertical drop, has improved the safety of unhook operation.
Be appreciated that; In the trip mechanism of the embodiment of the invention, on fixing suspension bracket 1, tailgate 16 being set is the location for the ease of jack 19, and in other embodiment of trip mechanism of the present invention; Tailgate 16 also can omit; Jack 19 also can be fixed on through the jack pad assembly 18 of other shape on the base plate 12 of fixing suspension bracket 1, even jack 19 also can not be to be fixed on fixedly on the suspension bracket 1, but is fixed on the travelling cradle 3; As long as the mating holes 142 on the stay bearing plate 14 is aimed in the support end of jack 19, can get final product ejecting in the mating holes 325 in the mating holes 142 of plunger 34 from the stay bearing plate 14 and the axle bush 324.Jack 19 is industry fluid pressure type jacks commonly used, and its support end is the end that jack is used to replace weight.
Be appreciated that equally; In other embodiment of trip mechanism of the present invention; The plunger 34 and fixedly mating holes 142 on suspension bracket 1 stay bearing plate 14, the mating holes 325 of travelling cradle 3 connecting panels 32 jacks 322 internal axle bushings 324 can not be tapers also; But cylindrical, can reach technique effect of the present invention equally.Even also can not establish axle bush 324 on the travelling cradle 3, directly with the jack 322 of connecting panel 32 as the mating holes that cooperates with plunger 34.Lifting appliance on travelling cradle 3 mainboards 30 can not be suspension ring 38 also, but is fixed on the device that suspension hook on the mainboard 30 etc. can supply hoisting crane that travelling cradle 3 is sling.Plunger 34 also can be connected on the base plate 12 of fixing suspension bracket 1, perhaps neither is connected with travelling cradle 3, also is not connected with fixing suspension bracket 1.Pinch plate 5 also can not be to be fixed on the stay bearing plate 14 of fixing suspension bracket 1, but is fixed on the connecting panel 32 of travelling cradle 3.
The above only is embodiments of the invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. a trip mechanism is characterized in that, said trip mechanism comprises fixedly suspension bracket and travelling cradle; Said fixedly suspension bracket comprises base plate; And be arranged on the stay bearing plate on the said base plate, and on said stay bearing plate, offering mating holes, said travelling cradle comprises mainboard; Be arranged on the lifting appliance on the said mainboard; And the connecting panel that is arranged on said mainboard below, on said connecting panel, offering mating holes, said trip mechanism also comprises the mating holes that can insert on the said fixedly hanger supports plate and the plunger of the mating holes on the said travelling cradle connecting panel; And being arranged on said fixedly suspension bracket or the said travelling cradle, and its support end jack that can the mating holes and the plunger in the mating holes on the said travelling cradle connecting panel that be contained on the said fixedly hanger supports plate be ejected.
2. trip mechanism according to claim 1 is characterized in that: said trip mechanism also comprises the pinch plate that can the connecting panel of the stay bearing plate of said fixedly suspension bracket and said travelling cradle be fastened togather on said mating holes axial direction.
3. trip mechanism according to claim 2 is characterized in that: said trip mechanism comprises two pinch plates, and said pinch plate comprises connecting wall, and from the connecting wall two ends clamp that comes out of vertical extent in the same way.
4. trip mechanism according to claim 3 is characterized in that: said pinch plate is fixed on the stay bearing plate of said fixedly suspension bracket or is fixed on the connecting panel of said travelling cradle.
5. trip mechanism according to claim 1 is characterized in that: the lifting appliance of said travelling cradle has the plane of symmetry, and the contact surface of the connecting panel of the stay bearing plate of said fixedly suspension bracket and said travelling cradle and said plane of symmetry coplane.
6. trip mechanism according to claim 1 is characterized in that: said fixedly suspension bracket also comprises the jack pad assembly that is fixed on the said base plate, and said jack is fixed on the said jack pad assembly, and is fixed on the said base plate through said jack pad assembly.
7. trip mechanism according to claim 6; It is characterized in that: said fixedly suspension bracket also comprises the tailgate that is arranged on the said base plate; Said jack pad assembly is arranged between said stay bearing plate and the said tailgate; Expose from said jack pad assembly at said jack two ends, and the end that the one of which end is promptly relative with its support end is replaced said tailgate, and its other end is the mating holes of its support end over against said stay bearing plate.
8. trip mechanism according to claim 1; It is characterized in that: the lifting appliance of said travelling cradle comprises two support plates that are arranged on the said travelling cradle mainboard; And be arranged between said two support plates, and through the rotating suspension ring that are installed on said two support plates of suspension ring axle.
9. trip mechanism according to claim 1 is characterized in that: said plunger is the taper cylinder, the mating holes on the said fixedly hanger supports plate, and the mating holes on the said travelling cradle connecting panel is the taper cylindrical hole.
10. trip mechanism according to claim 1 is characterized in that: said trip mechanism also comprises the protection rope, and said plunger ties up on said fixedly suspension bracket or the said travelling cradle through said protection rope movably.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110338138 CN102408059B (en) | 2011-10-31 | 2011-10-31 | Unhooking device |
| PCT/CN2012/082096 WO2013063992A1 (en) | 2011-10-31 | 2012-09-26 | Hook-releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110338138 CN102408059B (en) | 2011-10-31 | 2011-10-31 | Unhooking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102408059A true CN102408059A (en) | 2012-04-11 |
| CN102408059B CN102408059B (en) | 2013-08-28 |
Family
ID=45910468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110338138 Active CN102408059B (en) | 2011-10-31 | 2011-10-31 | Unhooking device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102408059B (en) |
| WO (1) | WO2013063992A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048156A (en) * | 2013-01-15 | 2013-04-17 | 锦州万达矿山机器制造有限公司 | Unhooking device for unhooking tests |
| WO2013063992A1 (en) * | 2011-10-31 | 2013-05-10 | 中联重科股份有限公司 | Hook-releasing device |
| CN105066795A (en) * | 2015-07-03 | 2015-11-18 | 北京航天发射技术研究所 | Connector rotation docking automatic shedding recovery device |
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| CN201151610Y (en) * | 2007-11-20 | 2008-11-19 | 中国船舶重工集团公司第七一○研究所 | Releasing device for hoisting |
| CN201610347U (en) * | 2010-02-08 | 2010-10-20 | 施尧尧 | Unlocking and locking device of lifting appliance |
| CN101973483A (en) * | 2010-09-26 | 2011-02-16 | 江苏省电力设计院 | Tong-type automatic unhooking device |
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| CN101736729B (en) * | 2009-12-28 | 2011-04-27 | 中化岩土工程股份有限公司 | Lifting mechanism of free dropping type forced ramming machine with hammer |
| CN201737583U (en) * | 2010-07-09 | 2011-02-09 | 宝山钢铁股份有限公司 | Automatic decoupling device of chain spreader |
| CN102408059B (en) * | 2011-10-31 | 2013-08-28 | 中联重科股份有限公司 | Unhooking device |
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- 2011-10-31 CN CN 201110338138 patent/CN102408059B/en active Active
-
2012
- 2012-09-26 WO PCT/CN2012/082096 patent/WO2013063992A1/en active Application Filing
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| JPS5470555A (en) * | 1977-11-16 | 1979-06-06 | Hitachi Ltd | Pin releasing apparatus |
| JPH01169589U (en) * | 1988-05-20 | 1989-11-30 | ||
| JP2000026068A (en) * | 1998-07-08 | 2000-01-25 | Giken Seisakusho Co Ltd | Hanging holder |
| CN201151610Y (en) * | 2007-11-20 | 2008-11-19 | 中国船舶重工集团公司第七一○研究所 | Releasing device for hoisting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063992A1 (en) * | 2011-10-31 | 2013-05-10 | 中联重科股份有限公司 | Hook-releasing device |
| CN103048156A (en) * | 2013-01-15 | 2013-04-17 | 锦州万达矿山机器制造有限公司 | Unhooking device for unhooking tests |
| CN103048156B (en) * | 2013-01-15 | 2015-11-18 | 锦州万达矿山机器制造有限公司 | Unhook test detacher |
| CN105066795A (en) * | 2015-07-03 | 2015-11-18 | 北京航天发射技术研究所 | Connector rotation docking automatic shedding recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102408059B (en) | 2013-08-28 |
| WO2013063992A1 (en) | 2013-05-10 |
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