CN215249088U - Clamping mechanism for crane lifting appliance - Google Patents
Clamping mechanism for crane lifting appliance Download PDFInfo
- Publication number
- CN215249088U CN215249088U CN202122722429.XU CN202122722429U CN215249088U CN 215249088 U CN215249088 U CN 215249088U CN 202122722429 U CN202122722429 U CN 202122722429U CN 215249088 U CN215249088 U CN 215249088U
- Authority
- CN
- China
- Prior art keywords
- rod
- arm lock
- rectangle pole
- lead screw
- way lead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a clamping mechanism for crane sling, including hollow structure's rectangle pole, the rectangle pole internal rotation is connected with the two-way lead screw that sets up with the rectangle pole coaxial line, rectangle pole inner chamber middle part is equipped with the spacing supporting mechanism who is used for carrying out spacing support to two-way lead screw middle section, rectangle pole lower part face both ends respectively sliding fit along the gliding arm lock A and arm lock B of rectangle pole length direction, arm lock A and arm lock B respectively with the body of rod both ends threaded connection of two-way lead screw, and along with the rotation drive arm lock A of two-way lead screw and arm lock B move in opposite directions or dorsad, rectangle pole one end is equipped with the drive mechanism that drives two-way lead screw rotation; the utility model discloses utilize two-way lead screw drive arm lock A and arm lock B to be the mode of motion in opposite directions or dorsad, realize arm lock A and arm lock B to the handling operation that snatchs of graphite carbon rod, compare in traditional binding handling, not only improved the handling efficiency that snatchs of graphite carbon rod greatly, guaranteed the safety of handling in-process moreover.
Description
Technical Field
The utility model relates to a lifting means technical field especially relates to a fixture for hoist.
Background
In the calcination course of working of graphite electrode, graphite overhead traveling crane commonly used, also known as bridge crane carries out the handling operation to graphite electrode carbon rod, however current hoist is mostly the lifting hook, in order to realize the lifting of lifting hook to graphite electrode carbon rod, it binds to graphite electrode carbon rod to need the staff at first to use the rope, then hang the lifting hook and carry out the handling on the rope, this kind of operation mode not only the process is complicated, waste time and energy, and the condition that graphite electrode carbon rod drops can often appear in the handling in-process, there is very big potential safety hazard, consequently, the urgent need for a fixture that can be convenient for hoist centre gripping handling graphite electrode carbon rod.
SUMMERY OF THE UTILITY MODEL
In order to overcome not enough in the background art, the utility model discloses a fixture for hoist, the utility model discloses utilize two-way lead screw drive arm lock A and arm lock B to be the mode of motion in opposite directions or dorsad, realize arm lock A and arm lock B to the handling operation that snatchs of graphite carbon rod, compare in traditional handling of binding, not only improved the handling efficiency that snatchs of graphite carbon rod greatly, guaranteed the safety of handling in-process moreover.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fixture for hoist, including hollow structure's rectangle pole, the rectangle pole internal rotation is connected with the two-way lead screw that sets up with the rectangle pole coaxial line, rectangle pole inner chamber middle part is equipped with the spacing supporting mechanism who is used for carrying out spacing support to two-way lead screw middle section, gliding arm lock A and arm lock B of rectangle pole length direction are followed to rectangle pole lower part face both ends difference sliding fit, arm lock A and arm lock B respectively with the body of rod both ends threaded connection of two-way lead screw, and along with the rotation drive arm lock A and the arm lock B of two-way lead screw move in opposite directions or dorsad, rectangle pole one end is equipped with the two-way lead screw pivoted actuating mechanism of drive.
Further, spacing supporting mechanism includes stopper and spacing bead, and rectangular pole inner chamber middle part is equipped with the stopper, and the stopper is equipped with the opening that sets up with two-way lead screw coaxial line, and the opening inner wall is equipped with the spacing groove, and the body of rod middle part of two-way lead screw is equipped with the spacing bead with spacing groove looks adaptation.
Furthermore, the lower surface of the rectangular rod is provided with a sliding groove corresponding to the rod body of the bidirectional screw rod, and the clamping arm A and the clamping arm B are in sliding fit with the rectangular rod through the sliding groove.
Furthermore, the upper ends of the clamping arm A and the clamping arm B are respectively provided with a sliding block in clearance fit with the inner cavity of the rectangular rod, and the sliding block is provided with a screw hole matched with the bidirectional screw rod.
Furthermore, rolling bodies are arranged on two sides of the lower surface of the sliding block.
Further, the both ends of rectangle pole are open structure, and the open equal demountable installation in both ends of rectangle pole has the rotation support piece that is used for rotating the support to two-way lead screw.
Furthermore, the rotating support piece comprises a buckling cover and a bearing, the buckling cover is matched with the opening of the end part of the rectangular rod, the buckling cover is provided with a clamping groove with two open ends, the clamping groove is internally provided with the bearing which is coaxially arranged with the bidirectional lead screw, and the end part of the bidirectional lead screw is rotatably connected with the inner ring of the bearing.
Furthermore, the opposite surfaces of the clamping arm A and the clamping arm B are both concave cambered surfaces.
Furthermore, the lower ends of the opposite surfaces of the clamping arm A and the clamping arm B are respectively provided with an outer edge fence.
Compared with the prior art, the beneficial effects of the utility model are that: the graphite carbon rod is grabbed and lifted by the clamping arms A and B in a mode that the clamping arms A and B are driven by the bidirectional screw rod to move in the opposite direction or in the opposite direction, so that the grabbing and lifting efficiency of the graphite carbon rod is greatly improved and the safety in the lifting process is ensured compared with the traditional binding and lifting mode;
by utilizing the slide block and the slide groove, the clamp arm A and the clamp arm B can be effectively in driving connection with the bidirectional screw rod through the slide block, and the forced deformation of the bidirectional screw rod is effectively prevented through the support of the slide block in the process of hoisting the graphite carbon rod;
the rolling body is arranged at the bottom of the sliding block, so that the friction force between the sliding block and the rectangular rod is greatly reduced when the bidirectional screw rod drives the sliding block to slide, the sliding adjustment of the clamping arm A and the clamping arm B is facilitated, and the loss of the bidirectional screw rod is reduced;
the two ends of the rectangular rod are provided with the detachable rotating supporting pieces, so that the bidirectional screw rod can be rotatably supported, and great convenience is provided for the follow-up overhauling and replacement of the bidirectional screw rod and the clamping jaws in a detachable mode;
the middle part of the inner cavity of the rectangular rod is provided with the limiting support mechanism, so that the middle part of the bidirectional screw rod can be supported, the deformation of the bidirectional screw rod is avoided, the bidirectional screw rod can be limited and fixed, and the normal graphite carbon rod grabbing and hoisting operation is prevented from being influenced by the displacement of the bidirectional screw rod;
the utility model discloses a mode that two jack catchs were done in opposite directions or the motion dorsad is realized snatching the handling to graphite carbon rod to the two-way lead screw of drive not only makes two jack catchs can both firmly effectually snatch the graphite carbon rod of different dimensions, has improved the application scope of this device greatly, has also improved the efficiency of graphite carbon rod handling greatly moreover, has guaranteed the safety of handling.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the rectangular rod structure of the present invention;
fig. 4 is a schematic view of the structure of the bidirectional screw rod of the present invention;
FIG. 5 is a schematic structural view of a spacing support member of the present invention;
fig. 6 is a schematic view of the claw structure of the present invention.
In the figure: 1. a drive mechanism; 2. a rectangular bar; 3. a clamping arm A; 4. a clamping arm B; 5. an outer edge fence; 6. a limiting block; 7. a bidirectional screw rod; 8. rotating the support member; 9. a slider; 10. a sliding groove; 11. a port; 12. a limiting groove; 13. a limiting convex rib; 14. a snap-fit cover; 15. a bearing; 16. clamping and placing the groove; 17. a screw hole; 18. and a rolling body.
Detailed Description
In the following description, the technical solutions of the present invention will be described with reference to the drawings in the embodiments of the present invention, it should be understood that, if there are the orientations or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific orientation.
Referring to the attached drawings 1-6 of the specification, the utility model provides a technical scheme:
in the first embodiment, please refer to fig. 1, 2, 3, 4 and 6 of the specification, a clamping mechanism for a crane spreader comprises a rectangular rod 2 with a hollow structure, a bidirectional screw rod 7 coaxially arranged with the rectangular rod 2 is rotatably connected in the rectangular rod 2, two ends of the lower surface of the rectangular rod 2 are respectively in sliding fit with a clamping arm A3 and a clamping arm B4 sliding along the length direction of the rectangular rod 2, specifically, a sliding slot 10 corresponding to the rod body of the bidirectional screw rod 7 is arranged on the lower surface of the rectangular rod 2, the length of the sliding slot 10 is equal to that of the bidirectional screw rod 7 or the number of the sliding slot 10 is two, and respectively corresponding to the threaded rods at two ends of the bidirectional screw rod 7, a sliding block 9 in clearance fit with the inner cavity of the rectangular rod 2 is arranged on the upper ends of the rectangular rod 2, the width of the sliding block 9 is larger than the slot width of the sliding slot 10, the sliding block 9 is provided with a screw hole 17 adapted to the bidirectional screw rod 7, the clamping arm A3 and the clamping arm B4 are in sliding fit with the sliding slot 10, the upper ends of the clamping arm A3 and the clamping arm B4 are respectively in threaded connection with two ends of a rod body of the bidirectional screw rod 7 through the sliders 9, and the sliders 9 at two ends of the rod body are driven to move towards or away from each other along with the rotation of the bidirectional screw rod 7, so that the clamping arm A3 and the clamping arm B4 are driven to move towards or away from each other to realize the grabbing operation of the graphite carbon rod;
in the process of grabbing and lifting the graphite carbon rod, the clamping arm A3 and the clamping arm A4 are positioned at two ends of the bidirectional screw rod 7 to grab and clamp the graphite carbon rod, the middle part of the rod body of the bidirectional screw rod 7 is in a suspended state and is easy to deform, in order to ensure the level of the rod body of the bidirectional screw rod 7, the middle part of the inner cavity of the rectangular rod 2 is provided with a limiting support mechanism for limiting and supporting the middle section of the bidirectional screw rod 7, specifically, the limiting support mechanism comprises a limiting block 6 and a limiting convex edge 13, the middle part of the inner cavity of the rectangular rod 2 is provided with the limiting block 6, the limiting block 6 is provided with an opening 11 which is coaxial with the bidirectional screw rod 7, and the opening 11 is in clearance fit with the middle part of the rod body of the bidirectional screw rod 7 and is used for supporting and protecting the middle part of the rod body of the bidirectional screw rod 7;
in the process of grabbing and hoisting the graphite carbon rod, in order to avoid the displacement of the bidirectional screw rod 7 and influence the matching grabbing of the clamping arm A3 and the clamping arm A4, the inner wall of the through hole 11 is provided with a limiting groove 12 with an annular structure arranged along the inner wall, the middle part of a rod body of the bidirectional screw rod 7 is provided with a limiting convex edge 13 with an annular structure matched with the limiting groove 12, and the bidirectional screw rod 7 is clamped and matched with the limiting groove 12 in the through hole 11 of the limiting block 6 through the limiting convex edge 13 in the middle part of the rod body, so that the positioning and supporting of the bidirectional screw rod 7 are realized;
in order to enable the clamping arm A3 and the clamping arm B4 to effectively and stably grab the graphite carbon rod, the opposite surfaces of the clamping arm A3 and the clamping arm B4 are both concave arc surfaces, outer edge fences 5 are arranged at the lower ends of the opposite surfaces of the clamping arm A3 and the clamping arm B4, and the clamping range of the clamping arm A3 and the clamping arm B4 can be greatly increased by utilizing the outer edge fences 5, so that the graphite carbon rod can be clamped and grabbed more stably;
after the graphite carbon rod is grabbed by the clamping arm A3 and the clamping arm B4, the gravity influences, the friction force between the sliding block 9 and the rectangular rod 2 is increased, in order to enable the bidirectional screw rod 7 to effectively drive the sliding block 9 to slide and reduce the abrasion of threads on a rod body of the bidirectional screw rod 7, two sides of the lower surface of the sliding block 9 are provided with rolling bodies 18, and the rolling bodies 18 are rollers or universal balls which rotate along the length direction of the rectangular rod 2;
one end of the rectangular rod 2 is provided with a driving mechanism 1 for driving the bidirectional screw rod 7 to rotate, the driving mechanism 1 is a driving motor, and the output end of the driving motor is fixedly connected with one end of the bidirectional screw rod 7, or the output end of the driving motor is in transmission connection with one end of the bidirectional screw rod 7.
In the second embodiment, referring to fig. 2 and 5 of the specification, in the process of grabbing and lifting the graphite carbon rod, the clamping arm A3 and the clamping arm a4, the bidirectional screw rod 7 and the slide block 9 are inevitably worn, for the convenience of subsequent maintenance and replacement, the both ends of rectangular pole 2 are open structure, the open equal demountable installation in both ends of rectangular pole 2 has the rotation support piece 8 that is used for rotating support to two-way lead screw 7, it is specific, rotation support piece 8 includes lock lid 14 and bearing 15, lock lid 14 and the open looks adaptation of rectangular pole 2 tip and pass through the bolt fastening, lock lid 14 is equipped with both ends and puts the groove 16 for open card, be equipped with the bearing 15 with two-way lead screw 7 coaxial line setting in the card puts the groove 16, two-way lead screw 7 tip is connected with the inner circle rotation of bearing 15, actuating mechanism 1 is connected with the two-way lead screw 7 end drive of bearing 15 inner circle through the uncovered of the card puts the groove 16 outside.
The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims.
Claims (9)
1. The utility model provides a fixture for hoist, includes hollow structure's rectangle pole (2), its characterized in that: the utility model discloses a two-way lead screw (7) that rectangle pole (2) internal rotation was connected with and rectangle pole (2) coaxial line set up, rectangle pole (2) inner chamber middle part is equipped with and is used for carrying out spacing supporting mechanism that supports to two-way lead screw (7) middle section, rectangle pole (2) lower part face both ends are sliding fit along gliding arm lock A (3) of rectangle pole (2) length direction and arm lock B (4) respectively, arm lock A (3) and arm lock B (4) respectively with the body of rod both ends threaded connection of two-way lead screw (7), and along with the rotation drive arm lock A (3) and arm lock B (4) of two-way lead screw (7) move in opposite directions or dorsad, rectangle pole (2) one end is equipped with drive two-way lead screw (7) pivoted actuating mechanism (1).
2. The clamping mechanism for the crane spreader according to claim 1, wherein: the limiting support mechanism comprises a limiting block (6) and a limiting convex edge (13), the limiting block (6) is arranged in the middle of the inner cavity of the rectangular rod (2), the limiting block (6) is provided with a through hole (11) which is coaxial with the bidirectional screw rod (7), a limiting groove (12) is arranged on the inner wall of the through hole (11), and the limiting convex edge (13) matched with the limiting groove (12) is arranged in the middle of the rod body of the bidirectional screw rod (7).
3. The clamping mechanism for the crane spreader according to claim 1, wherein: the lower surface of the rectangular rod (2) is provided with a sliding groove (10) corresponding to the rod body of the bidirectional screw rod (7), and the clamping arm A (3) and the clamping arm B (4) are in sliding fit with the rectangular rod (2) through the sliding groove (10).
4. The clamping mechanism for the crane spreader according to claim 1, wherein: the upper ends of the clamping arm A (3) and the clamping arm B (4) are respectively provided with a slide block (9) which is in clearance fit with the inner cavity of the rectangular rod (2), and the slide block (9) is provided with a screw hole (17) which is matched with the bidirectional screw rod (7).
5. The clamping mechanism for a crane spreader according to claim 4, wherein: both sides of the lower surface of the sliding block (9) are provided with rolling bodies (18).
6. The clamping mechanism for the crane spreader according to claim 1, wherein: the both ends of rectangle pole (2) are uncovered structure, and the uncovered equal demountable installation in both ends of rectangle pole (2) is used for rotating rotation support piece (8) that support to two-way lead screw (7).
7. The clamping mechanism for a crane spreader according to claim 6, wherein: the rotary supporting piece (8) comprises a buckling cover (14) and a bearing (15), the buckling cover (14) is matched with the opening of the end portion of the rectangular rod (2), the buckling cover (14) is provided with a clamping groove (16) with two open ends, the clamping groove (16) is internally provided with the bearing (15) which is coaxially arranged with the bidirectional screw rod (7), and the end portion of the bidirectional screw rod (7) is rotatably connected with an inner ring of the bearing (15).
8. The clamping mechanism for the crane spreader according to claim 1, wherein: the opposite surfaces of the clamping arm A (3) and the clamping arm B (4) are both concave cambered surfaces.
9. The clamping mechanism for a crane spreader according to claim 8, wherein: the lower ends of the opposite surfaces of the clamping arm A (3) and the clamping arm B (4) are respectively provided with an outer edge fence (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122722429.XU CN215249088U (en) | 2021-11-09 | 2021-11-09 | Clamping mechanism for crane lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122722429.XU CN215249088U (en) | 2021-11-09 | 2021-11-09 | Clamping mechanism for crane lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215249088U true CN215249088U (en) | 2021-12-21 |
Family
ID=79497951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122722429.XU Active CN215249088U (en) | 2021-11-09 | 2021-11-09 | Clamping mechanism for crane lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215249088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118387745A (en) * | 2024-07-01 | 2024-07-26 | 河南科技学院 | Crane sling for lifting tubular parts |
-
2021
- 2021-11-09 CN CN202122722429.XU patent/CN215249088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118387745A (en) * | 2024-07-01 | 2024-07-26 | 河南科技学院 | Crane sling for lifting tubular parts |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215249088U (en) | Clamping mechanism for crane lifting appliance | |
| CN113602948A (en) | Novel steel plate lifting appliance | |
| CN210260861U (en) | Hook anti-unhooking device | |
| CN210480577U (en) | Balancing device for electromechanical equipment installation | |
| CN217620683U (en) | Foldable hydraulic mechanical arm | |
| CN215249089U (en) | Carbon rod grabbing device for crane | |
| CN209974112U (en) | C-shaped coil steel lifting appliance with adjusting device | |
| CN211594831U (en) | Indoor single-arm lifting machine | |
| CN213622896U (en) | Van side plate lifting appliance | |
| CN220223253U (en) | Crane grabbing structure | |
| CN218478435U (en) | Crane convenient for clamping heavy object | |
| CN217676377U (en) | Multifunctional telescopic lifting appliance | |
| CN218145407U (en) | Mechanical claw for crane | |
| CN220077384U (en) | Transfer oil storage tank convenient to hoist and mount | |
| CN219136143U (en) | Material shifts bucket hoisting accessory | |
| CN208948687U (en) | A kind of stable type car rig | |
| CN214989830U (en) | Cantilever crane device convenient to anchor rope construction | |
| CN204999498U (en) | Large tracts of land sheet metal presss from both sides tight hoist cable device | |
| CN208120708U (en) | Quick installation lifting appliance for cross arm of power distribution network | |
| CN218841535U (en) | Connecting flange type double-layer winding drum set | |
| CN212334386U (en) | Butterfly-shaped lifting appliance for single-drive vertical lifting of standing cylindrical steel ingot | |
| CN211619744U (en) | Clamp for hoisting plate | |
| CN2379452Y (en) | Automatic gripping member for lifting steel coil | |
| CN212740431U (en) | Four-hook square steel lifting claw | |
| CN213802561U (en) | Vertical lifting sling for circular plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |