CN102241359A - Hook claw-extending type unpowered automatic hoisting tool - Google Patents
Hook claw-extending type unpowered automatic hoisting tool Download PDFInfo
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- CN102241359A CN102241359A CN2011101958921A CN201110195892A CN102241359A CN 102241359 A CN102241359 A CN 102241359A CN 2011101958921 A CN2011101958921 A CN 2011101958921A CN 201110195892 A CN201110195892 A CN 201110195892A CN 102241359 A CN102241359 A CN 102241359A
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Abstract
The invention discloses a hook claw-extending type unpowered automatic hoisting tool which relates to the field of hoisting and solves the problem in the prior art that no hoisting tool used for hoisting a packing container with an inward-protruding hoisting ring without external force is provided. According to the scheme provided by the embodiment of the invention, the hook claw-extending type unpowered automatic hoisting tool comprises a hoisting ring, a cam shaft, a cross beam, a support lug, a pull rod and a hook body; when the cam shaft is lifted up or falls down, a cam sleeve screw fixed on the cam sleeve rotates along a cam groove on the cam shaft, and the vertical displacement between the support lug on the cam shaft and the cross beam fixed on the sleeve is changed by using a bearing pressed by an upper cover plate and a lower cover plate; and the support lug drives the pull rod to pull the hook body to rotate around a hinge hole at the top of the outer side of the cross beam so as to drive the hook claw at the bottom of the hook body to close and open. The hook claw-extending type unpowered automatic hoisting tool disclosed by the embodiment of the invention is applicable to hoisting equipment and the like.
Description
Technical field
The present invention relates to the lifting field, relate in particular to a kind of unpowered Automatic hook block of the overhanging formula of pawl that colludes.
Background technology
Adopt the packing container of steel drum in nuclear station and the nuclear field as nuclear waste, its structure as shown in Figure 1, staving 100 welded top have lower flange 200, the bolted connection that passes through of lower flange 200 and upper flange 300, weld one on the upper flange 300 to projecting inward annular lifting circle 400, wherein lifting circle 04 is as an annular lifting circle of exterior hanging apparatus.This waste packaging container need lift in solid waste processing system, can not there are personnel involved in hoisting process on-site hoisting work, all personnel can only remotely controlled plant, avoid radioactive waste that the workman is damaged, require in operating process, to avoid equipment to break down simultaneously as far as possible, reduce maintenance maintenance.
Existing hanging device substantially all is to provide external impetus to grasp the lifting circle, the defective of this class device is: need external power supply that supply of power is provided, thereby need be between suspender and consumer unit connecting cable, except expending the energy, also having electrical fault still is that cable fault all will influence whole lifting work, increases the breakdown of equipment point.In addition, also need not powered attendant-controlled wheelchairs Automatic hook block in the prior art, but this novel suspender is applicable to the lifting circle for outwards protruding, can not be applicable to that waste packaging container lifting circle is to projecting inward suspender.
State in realization in the process of lifting packing container, the contriver finds that there are the following problems at least in the prior art:
Lack and be used to lift circle also need not to rely on external force simultaneously to the lifting of projecting inward packing container suspender.
Summary of the invention
At existing deficiency in the prior art, the object of the present invention is to provide a kind of unpowered Automatic hook block of the overhanging formula of pawl that colludes, be applicable to of the lifting of lifting circle to projecting inward packing container, simultaneously, need not rely on external force, only depend on physical propertys such as suspender self mechanism and deadweight can finish Automatic hook block the extracting and the release of packing container.
The present invention solves the problems of the technologies described above the technical scheme that adopted as described below:
A kind of unpowered Automatic hook block of the overhanging formula of pawl that colludes, comprise suspension ring 1 that have lifting eye, suspension ring 1 are captiveed joint with the camshaft 2 of below, have cam path 210 on the circumferencial direction of the lower cylindrical face 205 of camshaft 2, the circumferencial direction on the face of cylinder, top 202 is provided with the block 201 of projection, the number of projection block 201 is corresponding with cam path 210 with the position, and camshaft 2 bottoms are along the some journal stirrups 4 of circumferential arrangement, and journal stirrup 4 connects coupler body 6 by pull bar 5;
Cam sleeve 10 is equipped with in camshaft 2 outsides, cam sleeve 10 inside are provided with the block 1001 of projection, the quantity and the position of the protruding block 201 on the quantity of block 1001 and position and the camshaft 2 are corresponding, bearing 9 is equipped with in cam sleeve 10 tops and bottom, have bolt hole on the sidewall of cam sleeve 10, the inside that fixed installation cam sleeve screw 12 in the described bolt hole, the cam sleeve screw 12 described bolt hole by cam sleeve 10 stretches into camshaft 2 places in the cam path 210;
Camshaft 2 is packed into the cam sleeve 10 that bearing 9 is housed in the fixed muffle 11, fixed muffle 11 bottoms and top are equipped with upper cover plate 8, lower cover 13 by bolt, during camshaft 2 oscilaltions, cam sleeve screw 12 is along sliding in the camshaft 2 in-to-in cam paths 210, thereby makes cam sleeve 10 by doing circumferentially rotation around camshaft 2 support of the bearing 9 of top and bottom under;
The outer wall of fixed muffle 11 is along the some crossbeams 3 of circumferential arrangement, and the quantity of crossbeam 3 is corresponding with the quantity and the position of coupler body 6 and pull bar 5 with the position;
Coupler body 6 has top hinge hole 601, middle part hinge hole 602, the bottom of coupler body 6 is for colluding pawl 603 towards the projection in the outside, fixed muffle 11 centers, projection is colluded pawl 603 with corresponding by the lifting circle of lifting container head, the top of coupler body 6 and crossbeam 3 outer ends are hinged, coupler body 6 can rotate around the top hinge hole 601 in crossbeam 3 outsides, coupler body 6 middle parts and pull bar 5 one ends are hinged, and pull bar 5 other ends and journal stirrup 4 outsides are hinged; When camshaft 2 liftings, journal stirrup 4 drive pull bars 5 spur the top hinge hole 601 of coupler bodies 6 around crossbeam 3 outsides by pull bar 5 and rotate, thereby the pawl 603 that colludes that drives coupler body 6 bottoms are realized closure and are opened.
Further, the number of crossbeam 3, pull bar 5, journal stirrup 4 is 4, along circumferentially evenly arranging of fixed muffle 11.
Further, cam path 210 is included in the outside face alternative arrangement of the lower cylindrical face 205 on the camshaft 2 and " Y " font cam path 204 and " V " font cam path 203 that connects mutually.
Further, the group number of cam path 204 is 4 groups, and every group of cam path 210 comprises 1 " Y " font cam path 204 and 1 " V " font cam path 203.
Further, also be provided with rectangular channel 206 on the circumferencial direction on the face of cylinder, top 202 of camshaft 2, rectangular channel 206 matches with rectangular preiection 801 on the upper cover plate 8.
Further, at guide frame 7 of crossbeam 3 bottom captive joints, be used for the first guiding of hoisting process.
Effect of the present invention is: the present invention is after having taked technique scheme, when camshaft 2 liftings, the cam sleeve screw 12 that is fixed on the cam sleeve 10 rotates along the cam path on the camshaft 2 210, and utilize the bearing 9 that compresses by upper cover plate 8 and lower cover 13, make the journal stirrup 4 that is fixed on camshaft 2 and be fixed on crossbeam 3 on the fixed muffle 10 between vertical displacement change, journal stirrup 4 drives pull bar 5, rotate by the top hinge hole 601 of pull bar 5 pulling coupler bodies 6 around crossbeam 3 outsides, thereby the pawl 603 that colludes that drives coupler body 6 bottoms is realized closure and is opened, need not rely on external force, only depend on the physical propertys such as deadweight of parts, the cam mechanism that camshaft and cam sleeve are formed, journal stirrup, fixed muffle, crossbeam, pull bar, coupler body can be finished the extracting of packing container and release, mechanism is small and exquisite flexibly, reliable in action, safety is higher.
Description of drawings
Fig. 1 is for by the construction profile scheme drawing of the packing container that lifted;
Fig. 2 colludes the construction profile scheme drawing of the unpowered Automatic hook block of the overhanging formula of pawl for the embodiment of the invention;
Fig. 3 is the birds-eye view of Fig. 2;
Fig. 4 is the partial schematic sectional view of colluding the unpowered Automatic hook block cam of the overhanging formula of pawl mechanism in the embodiment of the invention;
Fig. 5 is the side structural scheme of mechanism that colludes the unpowered Automatic hook block convexity of the overhanging formula of pawl wheel shaft 2 in the embodiment of the invention;
Collude coupler body 6 construction profile scheme drawings in the unpowered Automatic hook block of the overhanging formula of pawl in Fig. 6 embodiment of the invention;
Collude upper cover plate 8 birds-eye vieies in the unpowered Automatic hook block of the overhanging formula of pawl in Fig. 7 embodiment of the invention.
The specific embodiment
Present invention is described below in conjunction with the drawings and specific embodiments.
Embodiment
As Fig. 2, Fig. 3, shown in Figure 4, a kind of unpowered Automatic hook block of the overhanging formula of pawl that colludes comprises suspension ring 1 that have lifting eye, and suspension ring 1 are captiveed joint with the camshaft 2 of below, and connection mode can connect or the bearing pin connection for screw.Camshaft 2 is for colluding one of main stressed member of the unpowered Automatic hook block of the overhanging formula of pawl, have alternative arrangement on the circumferencial direction of camshaft 2 lower cylindrical faces 205, and " V " font cam path 203 and " Y " font cam path 204 that connect mutually, the number of its " V " font cam path 203 and " Y " font cam path 204 can be set as required, the group number of " V " font cam path 203 and " Y " font cam path 204 can be set as required, for example 3 groups, 4 groups, 5 groups or 6 groups etc., every group of cam path 210 comprises 1 " Y " font cam path 204 and 1 " V " font cam path 203.Have protruding block 201 and rectangular channel 206 on the circumferencial direction on the face of cylinder, top 202, the number of projection block 201 is corresponding with cam path 210 with the position, camshaft 2 bottoms are along the some journal stirrups 4 of circumferential arrangement, the number of the journal stirrup of arranging 4 can be set as required, be generally 4, be that each 90 degree is arranged journal stirrups 4, the quantity of journal stirrup 4 can certainly be set as required, for example 2,3,5 or 6 etc.The quantity of journal stirrup 4 is corresponding with the quantity and the position of coupler body 6 and pull bar 5 with the position, and journal stirrup is captiveed joint with the camshaft bottom.A cam sleeve 10 is equipped with in camshaft 2 outsides, cam sleeve 10 is the sleeve of hollow, inside is provided with protruding block 1001, the quantity and the position of the protruding block 201 on quantity and the position of projection block 1001 and the camshaft 2 are corresponding, bearing 9 is equipped with in top and bottom, have bolt hole on the sidewall of cam sleeve 10, the inside that fixed installation cam sleeve screw 12 in this hole, cam sleeve screw 12 bolt hole by cam sleeve 10 stretches into camshaft 2 places in the cam path 210.
Camshaft 2 is packed into the cam sleeve 10 that bearing 9 is housed in the fixed muffle 11, fixed muffle 11 is the sleeve of a hollow, fixed muffle 11 bottoms and top are equipped with upper cover plate 8 and lower cover 13 by bolt, compress the bearing 9 of cam sleeve 10 tops and bottom, during camshaft 2 oscilaltions, cam sleeve screw 12 is along sliding in the camshaft 2 in-to-in cam paths 210, thereby makes cam sleeve 10 by doing circumferentially rotation around camshaft 2 support of top and bottom bearing 9 under.The outer wall of fixed muffle 11 is along the some crossbeams 3 of circumferential arrangement, the quantity of crossbeam 3 is corresponding with the quantity and the position of coupler body 6 and pull bar 5 with the position, crossbeam 3 is captiveed joint with fixed muffle 11, at guide frame 7 of crossbeam 3 bottom captive joints, be used for the first guiding that patent of the present invention is colluded the unpowered Automatic hook block hoisting process of the overhanging formula of pawl.
As shown in Figure 6, the top of coupler body 6 and middle part have hinge hole 601 and hinge hole 602, pawl 603 is colluded for the projection of stretching out to the outside, fixed muffle 11 centers in the bottom of coupler body, this colludes pawl 603 and is cooperated by the lifting circle 400 of lifting container head, the top hinge hole 601 of coupler body 6 is hinged with the crossbeam outer end, coupler body 6 can rotate around the hinge hole in the crossbeam outside, and coupler body 6 middle part hinge holes 602 are hinged with pull bar 5 one ends, and pull bar 5 other ends and journal stirrup 4 outsides are hinged.When the camshaft lifting, journal stirrup 4 drives pull bar 5, rotate by the hinge hole of pull bar drive coupler body 6 outside crossbeam, thereby the pawl that colludes that drives coupler body 6 bottoms is realized closure and opened.
As shown in Figure 5, be provided with rectangular channel 206 and protruding block 201 on the face of cylinder, top 202 of camshaft 2, rectangular channel 206 matches with rectangular preiection 801 on the upper cover plate 8, in addition, the rectangular preiection 801 of rectangular channel 206 and the upper cover plate 8 that cooperates with it also can be made shapes such as semicircle or triangle as required, just can meet the demands as long as can prevent that camshaft from rotating.The quantity and the position of the protruding block 1001 on quantity and the position of projection block 201 and the cam sleeve are corresponding, in a circumferential direction with lower cylindrical face 205 on " V " font cam path 203 bottoms on same vertical line, alternately arrange " V " font cam path 203 and " Y " font cam path 204 that connects mutually on the circumferencial direction of lower cylindrical face 205, camshaft 2 is when lifting, cam sleeve screw 12 is along sliding in the cam path 210, cam sleeve screw 12 is finished once to slide along " V " font cam path 203 and " Y " font cam path 204 and is that one-period, patent promptly of the present invention collude the unpowered Automatic hook block of the overhanging formula of pawl and finish once lifting and releasing operation.
This function is to realize so in the present embodiment, at the outside face of lower cylindrical 205 connected alternative arrangement mutually " V " font cam path 203 and " Y " font cam path 204, an acute angle is formed by a vertical edges and a hypotenuse in the summit of tooth 207 and lower tooth 208 in the formation, the acute angle of last tooth 207 is cut, it is parallel with the hypotenuse of lower tooth 208 to form side cut, acute angle with lower tooth 208 cuts equally, it is parallel with the hypotenuse of last tooth 207 to form side cut, the summit of tooth 207 and lower tooth 208 is all above the center line between the last lower tooth on this moment, and " it " font passage of Xing Chenging is " V " font cam path 203 and " Y " font cam path 204 that meets above-mentioned requirements thus." V " font cam path 203 and " Y " font cam path 204 that can certainly adopt alternate manner formation to meet the demands for example change and go up tooth 207 and lower tooth 208 side cut angles.After whole device installed, the inside that the bolt hole of cam sleeve screw 12 by cam sleeve 10 stretches into cam sleeve 10 placed in the cam path 210.Camshaft 2 is whenever finished twice of upper and lower displacement in the present embodiment, cam sleeve screw 12 slips over once along one group of " V " font cam path 203 and " Y " font cam path 204, and drive cam sleeve 10 and revolve and turn 90 degrees, patent of the present invention is colluded the unpowered Automatic hook block of the overhanging formula of pawl and is finished once lifting operation and a releasing operation, and this is that those skilled in the art can realize.
As Fig. 5, by camshaft 2, cam sleeve 10, cam sleeve screw 12, the cam mechanism that bearing 9 and fixed muffle 11 are formed this function in the present embodiment is to realize like this, cam sleeve screw 12 places the bottommost in " Y " font cam path 204, protruding block 201 on the face of cylinder, camshaft 2 top and protruding block 1001 arranged alternate on the cam sleeve 10 also differ 45 °, this moment, camshaft 2 was finished when once descending and rising, cam sleeve screw 12 slides into bottommost in " V " font cam path 203 from the bottommosts in " Y " font cam path 204, cam path 210 rotates 45 °, on the face of cylinder, camshaft 2 top on protruding block 201 and the cam sleeve 10 protruding block 1001 overlap in vertical direction, and on the face of cylinder, camshaft 2 top on the upper surface of protruding block 201 and the cam sleeve 10 lower surface of protruding block 1001 overlap, this moment, camshaft can not rise again; Camshaft 2 is then finished when once descending and rising again, cam sleeve screw 12 from " V " bottommosts in the font cam path 203 slide into again " Y " bottommost in the font cam path 204, cam path 210 rotates 45 °, alternate in vertical direction 45 ° of protruding block 201 on the face of cylinder, camshaft 2 top and the protruding block 1001 on the cam sleeve 10, and camshaft 2 bottom surfaces 209 overlap with the lower surface of bottom end cover 13, and this moment, camshaft can not rise again.
It is as follows that present embodiment colludes the working process of the unpowered Automatic hook block of the overhanging formula of pawl:
Lifted the lifting of container: when initial, collude on the face of cylinder, the overhanging formula of pawl unpowered Automatic hook block camshaft 2 top that protruding block 1001 overlaps in vertical direction on the protruding block 201 and cam sleeve 10, and on the face of cylinder, camshaft 2 top on the upper surface of protruding block 201 and the cam sleeve 10 lower surface of protruding block 1001 overlap, the bottommost of cam sleeve screw 12 in " V " font cam path 203, suspender is in light condition, when the lifting suspender descends, by guide frame 7 first guiding suspender is discharged into by on the lifting container, this moment, the guide frame lower surface was supported on by on the upper surface of the annular lifting circle 400 of lifting container, when continuing to discharge suspension ring 1, under the deadweight effect, make suspension ring 1, camshaft 2, journal stirrup 4 and pull bar 5 move downward, the hinge hole of pull bar 5 pulling coupler bodies 6 around the crossbeam outside rotates, and the pawl that colludes that drives coupler body 6 bottoms is regained to the center.When the lower surface of suspension ring 1 is run into the upper surface of upper end cover 8, stopping to descend, cam sleeve screw 12 slides into summit, right side (summit, left side in " Y " font cam path 204) from the bottommost in " V " font cam path 203, cam sleeve 10 rotates 22.5 °, when next upwards promoting suspension ring 1, drive camshaft 2, journal stirrup 4 and pull bar 5 upward movements, pull bar 5 promotes the hinge hole of coupler body 6 around the crossbeam outside and rotates, and the pawl that colludes that drives coupler body 6 bottoms is opened to the outside, center.When the lower surface of bottom end cover 13 is run in the bottom surface 209 of camshaft 2, this moment, suspension ring 1 no longer drove the camshaft rising, the pawl that colludes of coupler body 6 bottoms rises up in the inwardly outstanding annular lifting circle 400 and stops to open laterally, cam sleeve screw 12 from " V " summits, right side (summit, left side in " Y " font cam path 204) in the font cam path 203 slide into the bottommost in " Y " font cam path 204, cam sleeve 10 rotates 22.5 ° again, when continuing to promote suspension ring 1, can finish being lifted the lifting of container.
Lifted the release of container: when initial, the bottom surface 209 of camshaft 2 overlaps with the lower surface of bottom end cover 13, collude on the face of cylinder, the overhanging formula of pawl unpowered Automatic hook block camshaft 2 top on the protruding block 201 and cam sleeve 10 alternate in vertical direction 45 ° of protruding block 1001, cam sleeve screw 12 places the bottommost in " Y " font cam path 204.Suspender is in seized condition, and under deadweight effect make suspension ring 1, camshaft 2, journal stirrup 4 and pull bar 5 move downward when discharging suspension ring 1 this moment, and the hinge hole of pull bar 5 pulling coupler bodies 6 around the crossbeam outside rotates, and the pawl that colludes that drives coupler body 6 bottoms is regained to the center.When the lower surface of suspension ring 1 is run into the upper surface of upper end cover 8, stopping to descend, cam sleeve screw 12 slides into summit, right side (" V from the bottommost in " Y " font cam path 204 " summit, font cam path 203 interior left side), cam sleeve 10 rotates 22.5 °, and the pawl that colludes of coupler body 6 bottoms is retracted to minimum to the center; When next upwards promoting suspension ring 1, drive camshaft 2, journal stirrup 4 and pull bar 5 upward movements, pull bar 5 promotes the hinge hole of coupler body 6 around the crossbeam outside and rotates, the pawl that colludes that drives coupler body 6 bottoms is opened to the outside, center, protruding block 1001 overlaps in vertical direction on protruding block 201 on the face of cylinder, camshaft 2 top and cam sleeve 10, when the upper surface of protruding block 201 is run into the lower surface of protruding block 1001 on the cam sleeve 10 on the face of cylinder, camshaft 2 top simultaneously, suspension ring 1 no longer drive camshaft and rise, right side the summit (" V of cam sleeve screw 12 this moment in " Y " font cam path 204 " summit, left side in the font cam path 203) slide into " V " bottommosts in the font cam path 203, cam sleeve 10 rotates 22.5 ° again, suspender is in light condition, when continuing to promote suspension ring 1, can be discharged by the lifting container.
In sum, when camshaft 2 liftings, the cam sleeve screw 12 that is fixed on the cam sleeve 10 rotates along the cam path on the camshaft 2 210, and utilize the bearing 9 that compresses by upper cover plate 8 and lower cover 13, vertical displacement between the journal stirrup 4 of camshaft 2 and the crossbeam 3 on the fixed muffle 10 is changed, journal stirrup 4 drives pull bar 5, rotate by the top hinge hole 601 of pull bar 5 pulling coupler bodies 6 around crossbeam 3 outsides, thereby the pawl 603 that colludes that drives coupler body 6 bottoms is realized closure and is opened, need not rely on external force, only depend on the physical propertys such as deadweight of parts, the cam mechanism that camshaft and cam sleeve are formed, journal stirrup, fixed muffle, crossbeam, pull bar, coupler body can be finished the extracting of packing container and release, mechanism is small and exquisite flexibly, reliable in action, safety is higher.
The unpowered Automatic hook block of the overhanging formula of pawl of colluding that the embodiment of the invention provides is widely used in hanging device etc.
It should be noted that; above-mentioned specific embodiment only is exemplary; under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improvement or distortion drop in protection scope of the present invention.It will be understood by those skilled in the art that top specific descriptions just in order to explain purpose of the present invention, are not to be used to limit the present invention.Protection scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1. one kind is colluded the unpowered Automatic hook block of the overhanging formula of pawl, comprises suspension ring (1) that have lifting eye, it is characterized in that:
Suspension ring (1) are captiveed joint with the camshaft (2) of below, have cam path (210) on the circumferencial direction of the lower cylindrical face (205) of camshaft (2), the circumferencial direction on the face of cylinder, top (202) is provided with the block (201) of projection, the number of projection block (201) is corresponding with cam path (210) with the position, camshaft (2) bottom is along the some journal stirrups of circumferential arrangement (4), and journal stirrup (4) connects coupler body (6) by pull bar (5);
Cam sleeve (10) is equipped with in camshaft (2) outside, cam sleeve (10) inside is provided with the block (1001) of projection, the quantity and the position of the protruding block (201) on the quantity of block (1001) and position and the camshaft (2) are corresponding, bearing (9) is equipped with in cam sleeve (10) top and bottom, have bolt hole on the sidewall of cam sleeve (10), fixed installation cam sleeve screw (12) in the described bolt hole, the inside that the described bolt hole of cam sleeve screw (12) by cam sleeve (10) stretches into camshaft (2) places in the cam path (210);
Camshaft (2) and the cam sleeve (10) that bearing (9) are housed are packed in the fixed muffle (11), fixed muffle (11) bottom and top are equipped with upper cover plate (8), lower cover (13) by bolt, during camshaft (2) oscilaltion, cam sleeve screw (12) slides along camshaft (2) in-to-in cam path (210) is interior, thereby makes cam sleeve (10) by doing circumferentially to rotate around camshaft (2) under the support of the bearing (9) of top and bottom;
The outer wall of fixed muffle (11) is along the some crossbeams of circumferential arrangement (3), and the quantity of crossbeam (3) is corresponding with the quantity and the position of coupler body (6) and pull bar (5) with the position;
Coupler body (6) has top hinge hole (601), middle part hinge hole (602), the bottom of coupler body (6) is for colluding pawl (603) towards the projection in the outside, fixed muffle (11) center, projection is colluded pawl (603) with corresponding by the lifting circle of lifting container head, the top of coupler body (6) and crossbeam (3) outer end are hinged, coupler body (6) can rotate around the top hinge hole (601) in crossbeam (3) outside, coupler body (6) middle part is hinged with pull bar (5) one ends, and pull bar (5) other end and journal stirrup (4) outside are hinged; When camshaft (2) lifting, journal stirrup (4) drives pull bar (5), and by top hinge hole (601) rotation of pull bar (5) pulling coupler body (6) outside crossbeam (3), thereby the pawl (603) that colludes that drives coupler body (6) bottom is realized closure and opened.
2. the unpowered Automatic hook block of the overhanging formula of pawl that colludes according to claim 1 is characterized in that the number of crossbeam (3), pull bar (5), journal stirrup (4) is 4, along circumferentially evenly arranging of fixed muffle (11).
3. the unpowered Automatic hook block of the overhanging formula of pawl that colludes according to claim 1, it is characterized in that cam path (210) is included in the outside face alternative arrangement of camshaft (2) lower cylindrical face (205) and " Y " font cam path (204) and " V " font cam path (203) that connects mutually.
4. the unpowered Automatic hook block of the overhanging formula of pawl that colludes according to claim 3 is characterized in that the group number of cam path (210) is 4 groups, and every group of cam path (210) comprises 1 " Y " font cam path (204) and 1 " V " font cam path (203).
5. the unpowered Automatic hook block of the overhanging formula of pawl that colludes according to claim 1, it is characterized in that, also be provided with rectangular channel (206) on the circumferencial direction on the face of cylinder, top (202) of camshaft (2), rectangular channel (206) matches with rectangular preiection (801) on the upper cover plate 8.
6. the unpowered Automatic hook block of the overhanging formula of pawl that colludes according to claim 1 is characterized in that, at crossbeam (a 3) bottom guide frame of captive joint (7), is used for the first guiding of hoisting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101958921A CN102241359A (en) | 2011-07-13 | 2011-07-13 | Hook claw-extending type unpowered automatic hoisting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101958921A CN102241359A (en) | 2011-07-13 | 2011-07-13 | Hook claw-extending type unpowered automatic hoisting tool |
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| CN102241359A true CN102241359A (en) | 2011-11-16 |
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| CN2011101958921A Pending CN102241359A (en) | 2011-07-13 | 2011-07-13 | Hook claw-extending type unpowered automatic hoisting tool |
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| CN101759094A (en) * | 2010-01-06 | 2010-06-30 | 江苏宝宸净化设备有限公司 | Toplift used for nuclear waste storeage barrel |
| CN201817188U (en) * | 2010-09-25 | 2011-05-04 | 中国核电工程有限公司 | Novel sling |
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| CN103496626A (en) * | 2013-08-29 | 2014-01-08 | 广西奥特帕斯机械有限公司 | Lifting hook |
| CN104526710A (en) * | 2014-12-11 | 2015-04-22 | 重庆舰帏机械有限公司 | Clamping device of linkage type pipe fitting |
| CN107352382A (en) * | 2017-09-18 | 2017-11-17 | 中车唐山机车车辆有限公司 | Suspender |
| CN107352382B (en) * | 2017-09-18 | 2018-10-09 | 中车唐山机车车辆有限公司 | Suspender |
| CN107720654A (en) * | 2017-09-30 | 2018-02-23 | 中国核电工程有限公司 | A kind of double-canopy grabbing device |
| CN107804787A (en) * | 2017-10-23 | 2018-03-16 | 上海第机床厂有限公司 | Guide cylinder lifting device |
| CN108083095A (en) * | 2018-01-22 | 2018-05-29 | 张家港市盛达冶金吊具制造有限公司 | A kind of metallurgical suspender with convertible foot guard plate |
| CN107986155B (en) * | 2018-01-25 | 2023-10-27 | 辽宁工程技术大学 | Self-closing mechanism for vertical installation of heavier workpieces and use method |
| CN107986155A (en) * | 2018-01-25 | 2018-05-04 | 辽宁工程技术大学 | For the vertically arranged self closing mechanism of heavier work pieces and application method |
| CN109592396A (en) * | 2018-11-30 | 2019-04-09 | 丁云广 | A kind of self-locking mobile platform top gripping cell apparatus |
| CN110002334A (en) * | 2019-05-06 | 2019-07-12 | 中国原子能科学研究院 | A kind of gripping apparatus |
| CN110270643A (en) * | 2019-05-21 | 2019-09-24 | 芜湖市恒浩机械制造有限公司 | A kind of charging equipment of rotary circular plate stamping |
| CN112340594A (en) * | 2020-09-16 | 2021-02-09 | 云南财经大学 | Mechanical remote unlocking and separating mechanism and use method thereof |
| CN112340594B (en) * | 2020-09-16 | 2022-11-15 | 云南财经大学 | Mechanical remote unlocking and separating mechanism and using method thereof |
| CN112125128A (en) * | 2020-09-21 | 2020-12-25 | 中核核电运行管理有限公司 | Auxiliary device and method for guiding and installing pin shaft of lifting appliance of top cover of pressure vessel |
| CN113321144A (en) * | 2021-06-09 | 2021-08-31 | 魏小龙 | Lifting equipment and lifting method for installation construction of chemical pressure vessel |
| CN115057400A (en) * | 2022-06-16 | 2022-09-16 | 中国核电工程有限公司 | Cup cover opening and sealing device and spent fuel treatment system |
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Application publication date: 20111116 |