CN102992187B - Electric distance-fixing ladder-shaped plate blank buttress grippers - Google Patents
Electric distance-fixing ladder-shaped plate blank buttress grippers Download PDFInfo
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- CN102992187B CN102992187B CN201210496509.0A CN201210496509A CN102992187B CN 102992187 B CN102992187 B CN 102992187B CN 201210496509 A CN201210496509 A CN 201210496509A CN 102992187 B CN102992187 B CN 102992187B
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- cross sill
- cross beam
- grippers
- switch circuit
- entablatrance
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Abstract
The invention discloses a pair of electric distance-fixing ladder-shaped plate blank buttress grippers. The grippers comprise an upper cross beam, a lower cross beam, two sets of grippers bodies, pulley blocks, a guiding arm folding mechanism, a reverse type shutter and electric distance-fixing mechanisms, wherein the guiding arm folding mechanism is mounted between the upper cross beam and the lower cross beam and consists of two levers, the two levers are hinged, and the other ends of the two levers are respectively hinged with the upper cross beam and the lower cross beam; the two sets of grippers bodies are mounted at two ends of the upper cross beam and the lower cross beam, two sets of fixed pulley blocks are mounted at two ends of upper cross beam, the grippers bodies consist of gripper tooth, inner gripper arms, outer grippers arms, balancing rods, inner pull rods and outer pull rods, and the grippers bodies are connected with two ends of the lower cross beam through eccentric hinged shafts; and the reverse type shutter is arranged between the upper cross beam and the lower cross beam, and the electric distance-fixing mechanisms are mounted on the lower cross beam and symmetrically mounted at two sides of the lower cross beam. The electric distance-fixing ladder-shaped plate blank buttress grippers can be used for gripping ladder-shaped blanks and stacking, the grippers are unnecessary to be exchanged, and the production efficiency is improved; and as the reverse type shutter can not be tripped out in a no-load state, the electric distance-fixing ladder-shaped plate blank buttress grippers have reliable safety.
Description
Technical field
The present invention relates to plate slab slings, relate in particular to a kind of electronic spacing trapezoidal plate hack clamp.
Background technology
The slab clamp that steel mill is generally used is now as shown in Fig. 1-2, and its composition comprises: entablatrance 30, cross sill 31, pincers tooth 32, interior tong arm 33, outer tong arm 34, trammel beam 35, draw-in bar 36, outside link 37, hanger 38, switch circuit controller 39; In the middle of entablatrance 30 and cross sill 31, switch circuit controller 39 and guide are housed, caliper assembling is equipped with at two ends, and hanger 38 is equipped with at entablatrance 30 two ends, and crane hook hangs over herein.Guide is used for guaranteeing switch circuit controller 10 alignings.Caliper assembling is comprised of interior tong arm 33, outer tong arm 34, trammel beam 35, draw-in bar 36, outside link 37, and trammel beam 36 is exactly to illustrate dotted line brace, balanced in order to guarantee two tong arm motions.Pull bar and tong arm form combined lever, by conducting oneself with dignity through amplification on the pincers tooth of tong arm lower end, form gripping power.Clamp material used is domestic general use Q345B at present, and its safety factor is 3 times.
The action principle of slab clamp is:
Slab clamp often presses down and lifts once, and switch circuit controller mandrel rotates 90 °.The end of switch circuit controller mandrel is rectangular configuration, and in the rectangular channel of inserted base, floor installation is fixed on cross sill, and when slab clamp presses down continuously or lifts, switch circuit controller mandrel end and base will constantly be thrown off or tangle.When switch circuit controller mandrel end tangles the base on cross sill, tong arm is opened maximum opening, waits for gripping; When the base on cross sill is thrown off in switch circuit controller mandrel end, tong arm is closed, until clamp slab, so far completes the action of clamping slab.
The working process of slab clamp: driver controls clamp and makes it horizontal in slab central upper, switching mechanism comprises a body skin and a dead bolt that is used for hooking tight lock, to complete switching process.As shown in Figure 3 a, it is that T-shaped contact is locked lock that switch circuit controller cuts out, and jaw is suspended on crane hook in open mode; As shown in Figure 3 b, while dropping on steel billet under clamp, then press down by deadweight, switch circuit controller rotates 45 degree, promotes clamp, and switch circuit controller continues to turn 45 degree in the same way; As shown in Figure 3 c, when T-shaped contact, throw off after lock, jaw closes tightly, and failure-free gripping power is provided, until put down slab.
Problem and shortcoming that this slab clamp exists are: can only be in the middle use of rolling off the production line of slab, can not be used as stacking and collapse of setting, this is because the spacing device of slab clamp is non-adjustable, the jaw degree of depth is constant, at every turn can only slab of gripping, can only gripping rectangular bloom, because the opening degree of two pairs of calipers is non-adjustable; Switch circuit controller axle head, owing to wearing and tearing, turning to the danger that not exclusively has to deviate from once in a while, causes clamp unloaded closed.
Summary of the invention
The present invention has overcome shortcoming of the prior art, and a kind of electronic spacing trapezoidal plate hack clamp is provided.
In order to solve the technical matters of above-mentioned existence, the present invention is achieved by the following technical solutions:
A kind of electronic spacing trapezoidal plate hack clamp, its composition comprises: entablatrance, cross sill, two cover calipers, assembly pulley, guiding folding arm mechanism, guiding folding arm mechanism is housed in the middle of entablatrance and cross sill, described guiding folding arm mechanism is comprised of two levers, two lever phase hinges, the other end respectively with entablatrance and cross sill phase hinge; 2 cover caliper assemblings are equipped with at the two ends of entablatrance and cross sill, 2 cover fixed pulley groups are equipped with at entablatrance two ends, caliper forms by clamping tooth, interior tong arm, outer tong arm, trammel beam, draw-in bar, outside link, pull bar and tong arm form combined lever, by conducting oneself with dignity through amplification on the pincers tooth of tong arm lower end, form gripping power;
Also comprise trans switch circuit controller and electronic spacing mechanism;
Caliper adopts eccentric hinge coupled at cross sill two ends; Connect is like this exactly that caliper forms a self adaptation aperture adjusting mechanism: because of lever machinery clamp, along with self is drawn high, opening degree dwindles thereupon.So wide end first clamps and hung ground, narrow end jaw does not touch slab, and clamp self continues to be drawn high, until the tight narrow end of pincers toothholder.Due to, clamp entablatrance is level, and cross sill tilts, and cross sill two ends are connected with eccentric hinge with caliper, and while guaranteeing that cross sill tilts, it is constant that horizontal throw keeps.Must there be diff-H at pincers tooth place, caliper lower end, two ends, and slab presents heeling condition;
Described trans switch circuit controller is arranged between entablatrance and cross sill, described trans switch circuit controller consists of plate hook, little switch circuit controller and little switch circuit controller base, hanger under entablatrance is connected with plate hook by axle one, plate hook body is provided with little switch circuit controller base, there is a running roller crotch lower end of plate hook, little switch circuit controller is arranged on the hanger place under entablatrance, cross sill installation shaft two;
When plate hook catches on the axle of cross sill, clamp is open mode, and when plate hook swings the axle of throwing off cross sill to the right, clamp is closure state, i.e. gripping state.Little switch circuit controller on the swing backup plate coupler body of plate hook is realized, when clamp integral body presses down, the running roller in plate hook self lower right corner is pressed on cross sill and moves right, and cw swings, the switch circuit controller base in the plate hook upper right corner presses to switch circuit controller spindle nose, with this, realizes the switching conversion of switch circuit controller.
The feature of trans switch circuit controller is: switch circuit controller is not directly controlled caliper, but indirectly controls, and by the opening and putting of switch circuit controller, becomes putting and opening of hook, moves just in time contrary.While avoiding the direct hanging clamp body of switch circuit controller, because the underbeam that axle end wear causes is deviate from, the closed accident of caliper.Switch circuit controller catches on hook, and hook catches on caliper, and caliper enters closure state; Switch circuit controller is decontroled hook, and hook catches on caliper, and caliper keeps open configuration.
Described electronic spacing mechanism is arranged on cross sill, described electronic spacing mechanism symmetry is arranged on cross sill both sides, it is comprised of spacing cylindrical shell, three-in-one brake snub motor, one group of transmission device, rotating disk, one group of 2～5 of spacing cylinder, spacing cylindrical shell is arranged on cross sill, three-in-one brake snub motor is fixed on entablatrance, its output shaft connects with transmission device, rotating disk is arranged on the upper mounting plate of cross sill, and by helical wheel, connect with transmission device, one group of 2～5 of spacing cylinder is placed on rotating disk;
Electronic spacing device is to utilize power by the shock resistance cylinder of differing heights, move to spacing body top or side, in order to limit spacing body, by slab, compressed the distance of returning, limit the degree of depth between spacing body bottom surface and pincers tooth, thereby realize the object of controlling slab gripping quantity, crane operator can be selected the slab quantity of gripping.
Working process of the present invention is as follows:
1, trapezoidal base: normal clamping hoists, if encounter trapezoidal base, wide end is first clamped, mentions, clamped after narrow end.Steel billet is inclined aloft.The poor 100mm of width end, tilts about 5 °.
2, stacking: stacking is gripping polylith and adjustable monoblock number.In the present invention, increased a set of electronic spacing adjusting mechanism, its effect is exactly: according to the instruction of driver's cab, adjust the degree of depth between spacing seat bottom surface and jaw, guarantee the pincers correct position, lower middle that is clipped in the nethermost slab of plurality of plates hack edge of tooth.
3, trans switch circuit controller: contrary with conventional switch circuit controller action.When switch circuit controller mandrel is deviate from, for tangling caliper, jaw open configuration; When switch circuit controller mandrel tangles, for throwing off caliper, enter closure state.
Owing to adopting technique scheme, a kind of electronic spacing trapezoidal plate hack clamp provided by the invention, compared with prior art, the invention has the beneficial effects as follows:
The present invention can be used for pressing from both sides trapezoidal base, can need not change clamp for stacking, enhances productivity; Trans switch circuit controller zero load is not thrown off, and has failure-free safety.
Accompanying drawing explanation
Fig. 1 is existing slab clamp front view;
Fig. 2 is existing slab clamp lateral plan;
In figure: 30 entablatrances, 31 cross sills, 32 pincers teeth, 33 interior tong arms, 34 outer tong arms, 35 trammel beams, 36 draw-in bars, 37 outside links, 38 hangers, 39 switch circuit controllers;
Fig. 3 is existing slab clamp gripping process schematic diagram;
Fig. 4 is the front view of a kind of electronic spacing trapezoidal plate hack clamp of the present invention;
Fig. 5 is the lateral plan of a kind of electronic spacing trapezoidal plate hack clamp of the present invention;
Lateral plan when Fig. 6 is the inclination of clamp crawl slab:
Fig. 7 is eccentric hinge:
Fig. 8 is electronic spacing device schematic diagram;
Fig. 9 is that trans switch circuit controller is opened schematic diagram;
Figure 10 is that trans switch circuit controller catches on schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
A kind of 100 tons of electronic spacing trapezoidal plate hack clamps, its composition comprises: in the middle of entablatrance 1, cross sill 2, two cover calipers, assembly pulley 9, guiding folding arm mechanism, trans switch circuit controller and electronic spacing mechanism's entablatrance 1 and cross sill 2, guiding folding arm mechanism is housed, described folding arm guiding mechanism is comprised of two levers, two lever phase hinges, the other end respectively with entablatrance and cross sill phase hinge; 2 cover calipers are equipped with at the two ends of entablatrance 1 and cross sill 2, and 2 cover fixed pulley groups 9 are equipped with at entablatrance 1 two ends, and crane rope hangs over herein; Caliper forms by clamping tooth 3, interior tong arm 4, outer tong arm 5, trammel beam 6, draw-in bar 7, outside link 8, and trammel beam illustrates dotted line brace exactly, balanced in order to guarantee two tong arms motions; Caliper adopts eccentric hinge 12 coupled at cross sill 2 two ends; .Pull bar and tong arm form combined lever, by conducting oneself with dignity through amplification on the pincers tooth of tong arm lower end, form gripping power;
In the middle of described trans switch circuit controller entablatrance 1 and cross sill 2, described trans switch circuit controller is arranged between entablatrance and cross sill, described trans switch circuit controller consists of plate hook 16, little switch circuit controller 18 and little switch circuit controller base 19, hanger 14 under entablatrance is connected with plate hook 16 by axle 1, plate hook body is provided with little switch circuit controller base 19, there is a running roller 20 the crotch lower end of plate hook, and little switch circuit controller 18 is arranged on the hanger place under entablatrance, cross sill installation shaft 2 17;
Described electronic spacing mechanism 11 symmetries are arranged on cross sill 2 both sides, it is by spacing cylindrical shell 22, three-in-one brake snub motor 21, transmission device 24, rotating disk, 4 spacing cylinders 13 and 4 inductors 23 corresponding with spacing cylinder 13 quantity, spacing cylindrical shell 22 is arranged on cross sill 2, three-in-one brake snub motor 21 is fixed on entablatrance 1, its output shaft coaxially connects driving gear, described transmission device 24 is by driven gear, transmission gear A, transmission gear B, two horizontal drive links and universal-joint form, driven gear is meshed with driving gear, transmission gear A is coaxially connected with driven gear, transmission gear B is fixed on drive link A, and A is meshed with transmission gear, drive link A is connected by universal-joint with drive link B, the other end of drive link A is helical wheel, rotating disk is arranged on the upper mounting plate of cross sill 2, and be meshed with the helical wheel of drive link A by helical wheel, 4 spacing cylinders 13 are placed on rotating disk, 4 inductors 23 are arranged on cross sill 2, for detection of spacing cylinder 13, whether accurately locate with spacing cylindrical shell 22.Spacing must be considered the working condition of steel plant, the clamp of deadweight 30t left and right, and during contact steel plate, impulsive force is larger, if adopt conventional design, such as, leading screw tooth bar etc., the on site maintenance cycle is expected to be one month.The present invention adopts the solid square column of passive type, and shock resistance is used and be facts have proved that its maintenance intervals can extend to about 1 year through experiment.
Caliper material of the present invention adopts Q420B+40Cr material, makes its safety factor reach 4 times.
Claims (2)
1. an electronic spacing trapezoidal plate hack clamp, its composition comprises: entablatrance, cross sill, two cover calipers, assembly pulley, guiding folding arm mechanism, guiding folding arm mechanism is housed in the middle of entablatrance and cross sill, described guiding folding arm mechanism is comprised of two levers, two lever phase hinges, the other end respectively with entablatrance and cross sill phase hinge; 2 cover caliper assemblings are equipped with at the two ends of entablatrance and cross sill, 2 cover fixed pulley groups are equipped with at entablatrance two ends, caliper forms by clamping tooth, interior tong arm, outer tong arm, trammel beam, draw-in bar, outside link, pull bar and tong arm form combined lever, by conducting oneself with dignity through amplification on the pincers tooth of tong arm lower end, form gripping power; It is characterized in that:
Also comprise trans switch circuit controller and electronic spacing mechanism;
Caliper adopts eccentric hinge coupled at cross sill two ends;
Described trans switch circuit controller is arranged between entablatrance and cross sill, described trans switch circuit controller consists of plate hook, little switch circuit controller and little switch circuit controller base, hanger under entablatrance is connected with plate hook by axle one, little switch circuit controller base is installed on plate hook, there is a running roller crotch lower end of plate hook, little switch circuit controller is arranged on the hanger place under entablatrance, cross sill installation shaft two;
Described electronic spacing mechanism is arranged on cross sill, described electronic spacing mechanism symmetry is arranged on cross sill both sides, it is comprised of spacing cylindrical shell, three-in-one brake snub motor, one group of transmission device, rotating disk, one group of 2～5 of spacing cylinder, spacing cylindrical shell is arranged on cross sill, three-in-one brake snub motor is fixed on entablatrance, its output shaft connects with transmission device, rotating disk is arranged on the upper mounting plate of cross sill, and by helical wheel, connect with transmission device, one group of 2～5 of spacing cylinder is placed on rotating disk.
2. a kind of electronic spacing trapezoidal plate hack clamp according to claim 1, it is characterized in that: the output shaft of three-in-one brake snub motor coaxially connects driving gear, described transmission device (24) is by driven gear, transmission gear A, transmission gear B, two horizontal drive links and universal-joint form, driven gear is meshed with driving gear, transmission gear A is coaxially connected with driven gear, transmission gear B is fixed on drive link A, and A is meshed with transmission gear, drive link A is connected by universal-joint with drive link B, the other end of drive link A is helical wheel, rotating disk is arranged on the upper mounting plate of cross sill (2), and be meshed with the helical wheel of drive link A by helical wheel, 4 spacing cylinders (13) are placed on rotating disk, 4 inductors (23) are arranged on cross sill (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496509.0A CN102992187B (en) | 2012-11-28 | 2012-11-28 | Electric distance-fixing ladder-shaped plate blank buttress grippers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496509.0A CN102992187B (en) | 2012-11-28 | 2012-11-28 | Electric distance-fixing ladder-shaped plate blank buttress grippers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102992187A CN102992187A (en) | 2013-03-27 |
| CN102992187B true CN102992187B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210496509.0A Active CN102992187B (en) | 2012-11-28 | 2012-11-28 | Electric distance-fixing ladder-shaped plate blank buttress grippers |
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| Country | Link |
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| CN (1) | CN102992187B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081892A (en) * | 2016-08-05 | 2016-11-09 | 太原市冶金机械厂 | A kind of clamp of crane for hoisting large-scale rectangular steel billet |
| CN110125839B (en) * | 2019-05-27 | 2020-08-28 | 吉林工程技术师范学院 | Folding and positioning device for automobile aluminum alloy forging part |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2787627Y (en) * | 2005-01-22 | 2006-06-14 | 岳阳科美达机器有限公司 | Gravity auto-open type plate blank clamp |
| GB2428034A (en) * | 2005-03-07 | 2007-01-17 | Abaco Machines | Force actuated clamping arrangement |
| CN201284185Y (en) * | 2008-10-29 | 2009-08-05 | 武汉神冶起重机械有限公司 | Slab clamp |
| CN201901522U (en) * | 2010-07-23 | 2011-07-20 | 宝山钢铁股份有限公司 | Self-locating device of lifting appliance for steel ingot and plate slab |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0958965A (en) * | 1995-08-25 | 1997-03-04 | Sankyu Inc | Slab tong having fall preventing hook |
| DE102004046523A1 (en) * | 2004-09-23 | 2006-04-13 | Yale Industrial Products Gmbh | Load handling devices |
| US7156436B2 (en) * | 2005-03-07 | 2007-01-02 | Abaco Machines (Australasia) Pty Ltd | Clamping device having an actuating carriage which moves a movable jaw toward a stationary jaw |
-
2012
- 2012-11-28 CN CN201210496509.0A patent/CN102992187B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2787627Y (en) * | 2005-01-22 | 2006-06-14 | 岳阳科美达机器有限公司 | Gravity auto-open type plate blank clamp |
| GB2428034A (en) * | 2005-03-07 | 2007-01-17 | Abaco Machines | Force actuated clamping arrangement |
| CN201284185Y (en) * | 2008-10-29 | 2009-08-05 | 武汉神冶起重机械有限公司 | Slab clamp |
| CN201901522U (en) * | 2010-07-23 | 2011-07-20 | 宝山钢铁股份有限公司 | Self-locating device of lifting appliance for steel ingot and plate slab |
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| Publication number | Publication date |
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| CN102992187A (en) | 2013-03-27 |
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