CN103935889A - Electric hoist - Google Patents
Electric hoist Download PDFInfo
- Publication number
- CN103935889A CN103935889A CN201310369041.3A CN201310369041A CN103935889A CN 103935889 A CN103935889 A CN 103935889A CN 201310369041 A CN201310369041 A CN 201310369041A CN 103935889 A CN103935889 A CN 103935889A
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- China
- Prior art keywords
- vehicle frame
- connecting rod
- suspension bracket
- electric block
- lifting
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to an electric hoist which comprises a vehicle frame assembled on a corresponding main beam and used for performing guide movement along the front direction and the rear direction; the vehicle frame is provided with a lifting mechanism capable of lifting up and down; a lifting end of the lifting mechanism is connected with a hanging frame; the hanging frame is provided with a lifted object connection structure for connecting a corresponding lifted object; the vehicle frame is fixedly provided with a positioning frame having the tail end overhanging and extending downward; the lower end of the positioning frame is provided with a plug-in mounting and positioning structure, and the plug-in mounting and positioning structure is provided for plug-in mounting of the hanging frame from down to up and then is used for stopping cooperation with the corresponding side face of the hanging frame so as to limit the hanging frame to move front, back, right and left. The invention provides the electric hoist which can achieve smooth and steady lifting of the lifted object.
Description
Technical field
The present invention relates to the electric block in lifting field.
Background technology
Electric block often can use in daily production, life as a kind of comparatively desirable weight-lifting equipment, and electric block is when some special field, needs it to have special function.In field of metallurgy, also often to carry out handling ladle with electric block, the electric block using in existing field of metallurgy as disclosed in Chinese patent literature CN201186858Y " wire rope electric gourd for metallurgy casting ", this electric block comprises along fore-and-aft direction and moves the vehicle frame being assemblied on corresponding girder, on vehicle frame, be provided with can oscilaltion lifting mechanism, the end that hoists of lifting mechanism lifting mechanism is connected with suspension hook, and lifting mechanism comprises the reel that is wound with steel rope.Suspension hook lifts by crane corresponding ladle in use, the mobile handling realizing ladle by vehicle frame on girder, the problem that existing this electric block exists is: 1, ladle belongs to special lifting thing, the molten metal in ladle with high temperature, existing this electric block is only lifted by crane and is transported ladle by steel rope, in the process that vehicle frame moves on girder, ladle can swing back and forth with suspension hook, especially vehicle frame ground zero and while moving into place, the swing of ladle is especially severe, molten metal in ladle may spill, the molten metal spilling may be hurted sb.'s feelings and caused the accident or damage electric block, while 2, being stopped by obstacle suddenly in vehicle frame moving process, because effect of inertia ladle can be subject to strong impact, the possibility that in ladle, molten metal spills can be larger.
Summary of the invention
The object of the present invention is to provide a kind of electric block that can realize the steady handling of lifting thing.
In order to address the above problem, technical scheme of the present invention is:
A kind of electric block, comprise for being assemblied in the vehicle frame on corresponding girder along fore-and-aft direction guiding movement, on vehicle frame, be provided with can oscilaltion lifting mechanism, on the end that hoists of described lifting mechanism, be connected with suspension bracket, on suspension bracket, be provided with the lifting thing connection structure for being connected with corresponding lifting thing, on described vehicle frame, be installed with the locating rack that end overhangs down, the lower end of locating rack is provided with and for suspension bracket coordinates with the corresponding side surface block of suspension bracket after plug-in mounting from the bottom to top, limits suspension bracket mobile plug-in mounting location structure all around.
Described lifting thing connection structure comprises and for installing tie bolt, realizes the bolt penetration hole that suspension bracket is fixedly connected with described lifting thing.
Described plug-in mounting location structure comprises placed channel opening down and that coincide and insert from the bottom to top for described suspension bracket.
The lower end of described placed channel is connected with passage aperture from the bottom to top and dwindles gradually and the guiding channel for coordinating with suspension bracket guiding, and the upper end access opening of described guiding channel coincide and docks with the lower end access opening of described placed channel.
Described placed channel is surrounded by two relative U-shaped locationss of notch.
Described lifting mechanism comprises reel and two steel ropes, the head end of two steel ropes is connected with vehicle frame, end is all wound on described reel, the end fag end of two steel ropes is all positioned at the middle part of described reel, on described suspension bracket, be provided with two respectively with the suspension centre of the corresponding setting of each steel rope, on each suspension centre, be all connected with movable pulley, each movable pulley is connected on corresponding steel rope.
On described vehicle frame, be also provided with two respectively with the load limiter of the corresponding setting of each steel rope, the head end fag end of each steel rope is fixedly connected on described vehicle frame after connecting with corresponding load limiter.
Spacing between two load limiters is identical with the spacing between described two suspension centres.
Front end and/or the rear end of described vehicle frame are provided with shock absorber, described shock absorber comprises that head end and described vehicle frame are hinged and connected, end is towards the first connecting rod extending away from vehicle frame direction, the hinge axes of first connecting rod is extended along left and right directions, the end of first connecting rod is hinged with the second connecting rod that hinge axes is extended along left and right directions, the articulated structure that second connecting rod extends along left and right directions by axis away from one end of vehicle frame is hinged with the travelling car for coordinating with described girder guiding movement along fore-and-aft direction, on travelling car, be provided with the stop section coordinating for contact block with corresponding obstacle, between described first connecting rod and second connecting rod, be provided with when vehicle frame moves described first connecting rod is applied to the resilient snubber that stops the application force that first connecting rod rotates relative to second connecting rod.
Described resilient snubber is extension spring, and described extension spring and travelling car are divided into first, the both sides, front and back of first connecting rod articulated position.
Beneficial effect of the present invention is: while using this electric block to the lifting of lifting thing, suspension bracket is connected with lifting thing by lifting thing connection structure, then by the lifting mechanism suspension bracket that hoists, suspension bracket moves past in journey upper, on the meeting plug-in mounting location structure that is inserted to locating rack from the bottom to top, plug-in mounting location structure coordinates and limits suspension bracket and all around move with the corresponding side surface block of suspension bracket, suspension bracket will be limited on locating rack like this, in the moving process of electric block, even if lifting mechanism swings back and forth, because the suspension bracket being connected with lifting thing can not swing, so lifting thing can not swing yet, so just realized the steady handling of lifting thing, this electric block is relatively applicable to lifting thing to using in the higher workplace of anti-sway requirement, such as the lifting of ladle in field of metallurgy.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of U-shaped part in Fig. 1;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of suspension bracket in Fig. 1;
Fig. 6 is the birds-eye view of Fig. 5;
Fig. 7 is the left view of Fig. 5;
Fig. 8 is the head end fag end of steel rope in Fig. 1 and the schematic diagram that coordinates of load limiter;
Fig. 9 is the structural representation of load limiter in Fig. 8;
Figure 10 is the structural representation of movable pulley in Fig. 1;
Figure 11 is the left view of Figure 10;
Figure 12 is the structural representation of shock absorber in Fig. 1.
The specific embodiment
A kind of embodiment of electric block is as shown in Fig. 1 ~ 12: comprise vehicle frame 2, on vehicle frame, be provided with can oscilaltion lifting mechanism and for be assemblied in the traveling gear on corresponding girder 13 along fore-and-aft direction guiding movement, traveling gear comprises the actuating device that road wheel 1 and ground-engaging wheel rotate.Lifting mechanism comprises reel 3 and two steel ropes 4, on vehicle frame, be provided with two respectively with the load limiter 16 of the corresponding setting of each steel rope and two respectively with the rope wedge device 17 of the corresponding setting of each steel rope, the head end fag end of each steel rope is connected on vehicle frame by corresponding rope wedge device after connecting with corresponding load limiter, load limiter is holder benefit load limiter, holder benefit load limiter has accurately high feature, the upper end of load limiter by bearing pin be connected with vehicle frame, the lower end of load limiter is connected with the collar of steel rope formation.The end of each steel rope is all wound on reel, and the end fag end of two steel ropes is all positioned at the middle part of reel.The end that hoists of lifting mechanism is connected with suspension bracket, suspension bracket comprises crossbeam 8 and is fixedly arranged on the connecting panel 7 on crossbeam, on crossbeam, be provided with two respectively with the suspension centre 15 of the corresponding setting of each steel rope, spacing between two load limiters is identical with the spacing between two suspension centres, on each suspension centre, be all connected with the suspension hook 18 that movable pulley 14 is housed, suspension hook is connected by bearing pin with suspension bracket, each movable pulley is connected on corresponding steel rope, on connecting panel, be provided with the lifting thing connection structure for being connected with corresponding lifting thing, lifting thing connection structure comprises and for installing tie bolt, realizes suspension bracket and the bolt penetration hole 7-1 that lifts by crane thing and be fixedly connected with, by tie bolt, connect suspension bracket and can guarantee to lift by crane the fixing nothing swing of the relative suspension bracket of thing with lifting thing.On vehicle frame, be installed with the locating rack that end overhangs down, the lower end of locating rack is provided with and for suspension bracket coordinates with the corresponding side surface block of suspension bracket after plug-in mounting from the bottom to top, limits suspension bracket mobile plug-in mounting location structure all around, before and after plug-in mounting location structure comprises, interval arranges, and two U-shaped parts 6 that notch is relative, the cell wall of the upper end 6-1 of two U-shaped parts has surrounded a placed channel that crossbeam opening down and confession suspension bracket coincide and inserts from the bottom to top, the lower end 6-2 of two U-shaped parts forms "eight" shape structure, the U-shaped part cell wall of "eight" shape structure division surrounds passage aperture from the bottom to top and dwindles gradually, and the guiding channel for coordinating with suspension bracket guiding, the upper end access opening of guiding channel coincide and docks with the lower end access opening of placed channel.The front end of vehicle frame is provided with shock absorber, shock absorber comprises that head end and vehicle frame are hinged and connected, end is towards the first connecting rod 10 extending away from vehicle frame direction, the hinge axes of first connecting rod is extended along left and right directions, the end of first connecting rod is hinged with the second connecting rod 11 that hinge axes is extended along left and right directions, the jointed shaft that second connecting rod extends along left and right directions by axis away from one end of vehicle frame is hinged with travelling car 12, on travelling car, be provided with for realizing it and be assemblied in the wheel on girder along fore-and-aft direction guiding movement, on travelling car, be provided with the stop section coordinating for contact block with corresponding obstacle, between first connecting rod and second connecting rod, be provided with when vehicle frame moves first connecting rod is applied to the resilient snubber 9 that stops the application force that first connecting rod rotates relative to second connecting rod, resilient snubber is extension spring, described extension spring and travelling car are divided into first, the both sides, front and back of first connecting rod articulated position.
The handling ladle of take below in field of metallurgy is elaborated to the use procedure of this electric block as example: first by tie bolt, ladle is fixed on the connecting panel of suspension bracket, then the rope hoisting suspension bracket of lifting mechanism, until in the placed channel that two U-shaped parts of the crossbeam of suspension bracket insertion from the bottom to top surround, guiding channel contributes to the guiding of suspension bracket in uphill process, can guarantee that crossbeam two ends accurately snap in the U-lag of corresponding U-shaped part, thereby the groove sidewall of two U-lags and bottom land wall coordinate restriction with the corresponding side surface block of crossbeam, suspension bracket all around moves, with rear walking mechanism, drive vehicle frame to walk forward along girder, vehicle frame is in the process of walking forward, application force due to spring, first connecting rod not relatively second connecting rod swing forward, so travelling car also can be subject to first, the intermal force of second connecting rod and walking forward with vehicle frame, while having corresponding obstacle forwardly, travelling car first bumps with obstacle and stops walking, now vehicle frame continues walking forward, first connecting rod overcome acting force of the spring and relatively second connecting rod swing forward, buffer action due to spring, the speed of travel of vehicle frame can slowly reduce, rather than be reduced to rapidly zero, thereby further contribute to the stable of ladle handling, liquid financial fused mass can not spill in ladle yet.Two steel ropes are from the centre of reel to two ends row's rope, because the spacing between two load limiters is identical with the spacing between two suspension centres, so steel rope is when limes superiors, the spacing between two steel ropes is identical with the spacing between two suspension centres, guarantees the vertical lift that ladle hoists; Adopt holder benefit load limiter, show that the precision of loading is high; Mounting limit switch on travelling car, when dolly collides after obstacle, shock absorber can play buffer action, reduces the impact to ladle.
In other embodiments of the invention: this electric block can also be applicable to the handling to anti-sway lifting thing of having relatively high expectations in other field; Load limiter also can adopt the load limiter of other model, label; Lifting thing connection structure can also be suspension hook, can lifting thing be connected on suspension bracket by suspension hook; Two U-shaped parts also can be between left and right every being oppositely arranged, certainly U-shaped part can also be located on the baffle plate replacement of crossbeam periphery, now by baffle plate besieged city placed channel and guiding channel, certainly guiding channel can also not established, plug-in mounting location structure can also be a downward opening positioning groove, now placed channel consists of the vallecular cavity of positioning groove, and the shape of positioning groove and the shape of crossbeam are adaptive, and the cell wall of positioning groove coordinates and limits suspension bracket and all around move with the corresponding side surface block of crossbeam; Placed channel can also be replaced by two spaced positioning keys, now need on suspension bracket, offer for being installed in from the bottom to top the keyway of locating piece periphery, by positioning key and keyway coordinate limit suspension bracket and all around move; Rope wedge device can also not established, and now the head end fag end of steel rope can be directly connected on vehicle frame after load limiter; Certainly steel rope also can only have one; Movable pulley also can directly rotate and be assemblied on corresponding suspension centre; The connecting panel of suspension bracket can not established yet, and now lifts by crane thing connection structure and can be arranged on crossbeam; Resilient snubber can also be stage clip, and stage clip and travelling car are positioned at first, the same side of first connecting rod articulated position, and stage clip also can be replaced by other resilient snubbers such as atmospheric pressure poles; Can also be only in the rear end of vehicle frame or in the front and back end of vehicle frame, shock absorber is all set.
Claims (10)
1. an electric block, comprise for being assemblied in the vehicle frame on corresponding girder along fore-and-aft direction guiding movement, on vehicle frame, be provided with can oscilaltion lifting mechanism, it is characterized in that: on the end that hoists of described lifting mechanism, be connected with suspension bracket, on suspension bracket, be provided with the lifting thing connection structure for being connected with corresponding lifting thing, on described vehicle frame, be installed with the locating rack that end overhangs down, the lower end of locating rack is provided with and for suspension bracket coordinates with the corresponding side surface block of suspension bracket after plug-in mounting from the bottom to top, limits suspension bracket mobile plug-in mounting location structure all around.
2. electric block according to claim 1, is characterized in that: described lifting thing connection structure comprises and for installing tie bolt, realizes the bolt penetration hole that suspension bracket is fixedly connected with described lifting thing.
3. electric block according to claim 1, is characterized in that: described plug-in mounting location structure comprises placed channel opening down and that coincide and insert from the bottom to top for described suspension bracket.
4. electric block according to claim 3, it is characterized in that: the lower end of described placed channel is connected with passage aperture from the bottom to top and dwindles gradually and the guiding channel for coordinating with suspension bracket guiding, and the upper end access opening of described guiding channel coincide and docks with the lower end access opening of described placed channel.
5. electric block according to claim 3, is characterized in that: described placed channel is surrounded by two relative U-shaped locationss of notch.
6. electric block according to claim 1, it is characterized in that: described lifting mechanism comprises reel and two steel ropes, the head end of two steel ropes is connected with vehicle frame, end is all wound on described reel, the end fag end of two steel ropes is all positioned at the middle part of described reel, on described suspension bracket, be provided with two respectively with the suspension centre of the corresponding setting of each steel rope, on each suspension centre, be all connected with movable pulley, each movable pulley is connected on corresponding steel rope.
7. electric block according to claim 6, it is characterized in that: on described vehicle frame, be also provided with two respectively with the load limiter of the corresponding setting of each steel rope, the head end fag end of each steel rope is fixedly connected on described vehicle frame after connecting with corresponding load limiter.
8. electric block according to claim 7, is characterized in that: the spacing between two load limiters is identical with the spacing between described two suspension centres.
9. according to the electric block described in claim 1 ~ 8 any one, it is characterized in that: front end and/or the rear end of described vehicle frame are provided with shock absorber, described shock absorber comprises that head end and described vehicle frame are hinged and connected, end is towards the first connecting rod extending away from vehicle frame direction, the hinge axes of first connecting rod is extended along left and right directions, the end of first connecting rod is hinged with the second connecting rod that hinge axes is extended along left and right directions, the articulated structure that second connecting rod extends along left and right directions by axis away from one end of vehicle frame is hinged with the travelling car for coordinating with described girder guiding movement along fore-and-aft direction, on travelling car, be provided with the stop section coordinating for contact block with corresponding obstacle, between described first connecting rod and second connecting rod, be provided with when vehicle frame moves described first connecting rod is applied to the resilient snubber that stops the application force that first connecting rod rotates relative to second connecting rod.
10. electric block according to claim 9, is characterized in that: described resilient snubber is extension spring, and described extension spring and travelling car are divided into first, the both sides, front and back of first connecting rod articulated position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369041.3A CN103935889B (en) | 2013-08-22 | 2013-08-22 | A kind of electric block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369041.3A CN103935889B (en) | 2013-08-22 | 2013-08-22 | A kind of electric block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103935889A true CN103935889A (en) | 2014-07-23 |
| CN103935889B CN103935889B (en) | 2016-08-17 |
Family
ID=51183819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310369041.3A Active CN103935889B (en) | 2013-08-22 | 2013-08-22 | A kind of electric block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103935889B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892360A (en) * | 2017-03-06 | 2017-06-27 | 法兰泰克重工股份有限公司 | Suitable for the winding type segment crane of large shield machine |
| CN107720544A (en) * | 2017-09-22 | 2018-02-23 | 河南省大方重型机器有限公司 | A kind of electric block lifts by crane buffer unit |
| CN108285096A (en) * | 2018-03-05 | 2018-07-17 | 苏州库力铁重工有限公司 | Rope end fixing device |
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| DE3710436A1 (en) * | 1987-03-28 | 1988-10-13 | Gutehoffnungshuette Man | Trolley of a crane for either grab or packaged-goods operation |
| CN2827987Y (en) * | 2005-03-29 | 2006-10-18 | 上海振华港口机械（集团）股份有限公司 | Self-propelled wagon for double 40 degree shoreside container crane |
| CN201052945Y (en) * | 2007-06-08 | 2008-04-30 | 中国第一汽车集团公司 | Double-track suspension lifting bogie |
| CN201105948Y (en) * | 2007-11-01 | 2008-08-27 | 上海振华港口机械（集团）股份有限公司 | Rotary hoisting carriage |
| CN202744205U (en) * | 2012-07-24 | 2013-02-20 | 太原重工股份有限公司 | Hoisting mechanism of slab soaking pit crane |
| CN203033680U (en) * | 2012-12-28 | 2013-07-03 | 武汉半岛重工股份有限公司 | Crane for finished green bricks |
| CN203428854U (en) * | 2013-08-22 | 2014-02-12 | 纽科伦（新乡）起重机有限公司 | Electric hoist |
-
2013
- 2013-08-22 CN CN201310369041.3A patent/CN103935889B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3710436A1 (en) * | 1987-03-28 | 1988-10-13 | Gutehoffnungshuette Man | Trolley of a crane for either grab or packaged-goods operation |
| CN2827987Y (en) * | 2005-03-29 | 2006-10-18 | 上海振华港口机械（集团）股份有限公司 | Self-propelled wagon for double 40 degree shoreside container crane |
| CN201052945Y (en) * | 2007-06-08 | 2008-04-30 | 中国第一汽车集团公司 | Double-track suspension lifting bogie |
| CN201105948Y (en) * | 2007-11-01 | 2008-08-27 | 上海振华港口机械（集团）股份有限公司 | Rotary hoisting carriage |
| CN202744205U (en) * | 2012-07-24 | 2013-02-20 | 太原重工股份有限公司 | Hoisting mechanism of slab soaking pit crane |
| CN203033680U (en) * | 2012-12-28 | 2013-07-03 | 武汉半岛重工股份有限公司 | Crane for finished green bricks |
| CN203428854U (en) * | 2013-08-22 | 2014-02-12 | 纽科伦（新乡）起重机有限公司 | Electric hoist |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106892360A (en) * | 2017-03-06 | 2017-06-27 | 法兰泰克重工股份有限公司 | Suitable for the winding type segment crane of large shield machine |
| CN107720544A (en) * | 2017-09-22 | 2018-02-23 | 河南省大方重型机器有限公司 | A kind of electric block lifts by crane buffer unit |
| CN107720544B (en) * | 2017-09-22 | 2018-07-24 | 河南省大方重型机器有限公司 | A kind of electric block lifting buffer unit |
| CN108285096A (en) * | 2018-03-05 | 2018-07-17 | 苏州库力铁重工有限公司 | Rope end fixing device |
| CN108285096B (en) * | 2018-03-05 | 2023-10-20 | 苏州库力铁重工有限公司 | rope end fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103935889B (en) | 2016-08-17 |
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