CN210102961U - Rotatable draw arm hook - Google Patents
Rotatable draw arm hook Download PDFInfo
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- CN210102961U CN210102961U CN201920940685.6U CN201920940685U CN210102961U CN 210102961 U CN210102961 U CN 210102961U CN 201920940685 U CN201920940685 U CN 201920940685U CN 210102961 U CN210102961 U CN 210102961U
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- screw rod
- briquetting
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- arm hook
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Abstract
The utility model discloses a rotatable draw-arm hook, which comprises a fixed seat, a moving component, a self-locking device, an L-shaped draw-arm hook, a connecting frame and a driving cylinder, wherein the inner wall of the bottom of the fixed seat is correspondingly provided with the driving cylinder, the connecting frame is arranged between the two driving cylinders, the piston rod of the driving cylinder is movably connected with the connecting frame through a hinge, the outer part of a screw rod is correspondingly sleeved with a threaded sleeve, the top end of the connecting frame is movably connected with the L-shaped draw-arm hook through the hinge, the moving component is arranged in the fixed seat, the self-locking device is arranged outside the moving component, the driving cylinder is electrically connected with an external power supply, the moving component comprises a threaded sleeve and a screw rod, the screw rod is movably connected with the fixed seat through a bearing, the outer part of the screw rod is provided with symmetrical positive and negative threads, and the two, the utility model discloses, have the operation of being convenient for and the effectual characteristics of auto-lock.
Description
Technical Field
The utility model relates to a single arm-drag hook technical field specifically is a rotatable single arm-drag hook.
Background
The draw-arm hook is a device for loading and unloading goods, and is applied to various goods loading and unloading occasions in actual life. The draw-arm hook is often mounted on various transport vehicles and is mostly of a folding structure.
The existing draw arm hook has the problems of inconvenient operation and poor self-locking effect. In the loading and unloading process, the structure is complex and unreasonable, so that the operation is complicated, and the rotating operation difficulty is increased; meanwhile, the existing draw-arm hook is poor in self-locking performance, and goods are prone to falling off when pressure is too high, so that safety performance is greatly reduced. Therefore, it is necessary to design a rotatable draw arm hook which is convenient to operate and has good self-locking effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotatable arm-pulling hook to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a rotatable arm-drag hook, includes fixing base, removal subassembly, self-lock device, L type arm-drag hook, link and drives actuating cylinder, the bottom inner wall correspondence of fixing base is installed and is driven actuating cylinder, and two drive and be provided with the link between the actuating cylinder, and drive actuating cylinder's piston rod and link and pass through hinge swing joint, threaded sleeve has been cup jointed to the outside correspondence of screw rod, there is L type arm-drag hook on the top of link through hinge swing joint, the internally mounted of fixing base has the removal subassembly, the removal subassembly outside is provided with self-lock device, drive actuating cylinder and external power source electric connection.
Further, the movable assembly comprises a threaded sleeve and a screw rod, the screw rod is movably connected with the fixed base through a bearing, the screw rod is externally provided with symmetrical positive and negative threads, the two threaded sleeves are respectively matched with the symmetrical positive and negative threads, the screw rod penetrates through the connecting frame, the screw rod is fixedly welded with the connecting frame, support lugs are correspondingly arranged on two sides of the threaded sleeve, guide rods penetrate through the support lugs, when the pull arm hook extends or unloads, the connecting frame drives the screw rod to rotate after the driving cylinder drives the connecting frame to rotate clockwise, and under the limiting action of the guide rods, synchronous relative motion of the two threaded sleeves is achieved.
Further, self-lock device is including installation base and mounting groove, the installation base passes through the bolt fastening with the fixing base, the mounting groove has evenly been seted up to the inside of installation base, the inside of mounting groove is provided with first briquetting, and is connected through the pivot between first briquetting and the installation base, one side distribution of installation base has the through-hole, the inside of through-hole is provided with the spring beam, in the course of the work, utilizes spring beam one end to support first briquetting, and makes first briquetting rotatory certain angle under the pivot effect.
Further, the outer distribution of installation base has the dead lever, there is the second briquetting on the top of dead lever through hinge swing joint, the center department of second briquetting articulates there is the connecting rod, the both ends of second briquetting all contact with the top of spring beam, one side of connecting rod is provided with electric telescopic handle, and electric telescopic handle passes through the bolt fastening with the installation base, when loading and unloading work conversion, drives the connecting rod through control electric telescopic handle's flexible and remove, and then drives the motion of second briquetting, carries out different spacingly to the spring beam.
Further, the top of threaded sleeve has the rack through the bolt fastening, the rack sawtooth part is degree contained angle, and one side of first briquetting contacts with the rack, when the rack removed, extrudees first briquetting through its sawtooth part, realizes the motion of a direction, carries out the auto-lock to its reverse motion.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses, through being provided with components such as drive actuating cylinder, link and L type arm-drag hook, be used for loading and unloading goods, utilize drive actuating cylinder to drive the motion of component, its operation is convenient, the component simple structure, degree of automation is high, and link and drive actuating cylinder's piston rod and L type arm-drag hook all through articulating, are convenient for realize its nimble rotation, make things convenient for whole loading and unloading operation; through being provided with removal subassembly and self-lock device, be used for realizing the auto-lock in the course of the work, through the rotation direction of self-lock device restriction during operation L type arm-drag hook, and can change the auto-lock of loading and unloading different processes through self-lock device, effectively improve the auto-lock performance, promote the security of work.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the self-locking device of the present invention;
fig. 3 is a schematic structural diagram of the region a in fig. 2 according to the present invention;
fig. 4 is a schematic structural diagram of the moving assembly of the present invention;
in the figure: 1. a fixed seat; 2. a moving assembly; 3. a self-locking device; 4. an L-shaped draw arm hook; 5. a connecting frame; 6. a driving cylinder; 21. a threaded sleeve; 22. a screw; 23. a guide bar; 24. supporting a lug; 31. installing a base; 32. a first pressing block; 33. mounting grooves; 34. an electric telescopic rod; 35. a rack; 36. a connecting rod; 37. Fixing the rod; 38. a second pressing block; 39. a spring lever; 310. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a rotatable arm-drag hook, including fixing base 1, remove subassembly 2, self-lock device 3, L type arm-drag hook 4, link 5 and drive actuating cylinder 6, the bottom inner wall correspondence of fixing base 1 is installed and is driven actuating cylinder 6, and two are driven and are provided with link 5 between actuating cylinder 6, and the piston rod that drives actuating cylinder 6 passes through hinge swing joint with link 5, there is L type arm-drag hook 4 on the top of link 5 through hinge swing joint, the internally mounted of fixing base 1 has removal subassembly 2, remove 2 outsides of subassembly and be provided with self-lock device 3, drive actuating cylinder 6 and external power source electric connection.
The movable assembly 2 comprises a threaded sleeve 21 and a screw rod 22, the screw rod 22 is movably connected with the fixed seat 1 through a bearing, the threaded sleeve 21 is correspondingly sleeved outside the screw rod 22, symmetrical positive and negative threads are arranged outside the screw rod 22, the two threaded sleeves 21 are respectively matched with the symmetrical positive and negative threads, the screw rod 22 penetrates through the connecting frame 5, the screw rod 22 is fixedly welded with the connecting frame 5, support lugs 24 are correspondingly arranged on two sides of the threaded sleeve 21, guide rods 23 penetrate through the insides of the support lugs 24, when the arm-pulling hook extends or unloads, after the driving cylinder 6 drives the connecting frame 5 to rotate clockwise, the connecting frame 5 drives the screw rod 22 to rotate, and synchronous relative motion of the two threaded sleeves 21 is realized under the limiting action of the guide rods 23;
the self-locking device 3 comprises an installation base 31 and an installation groove 33, the installation base 31 and the fixed seat 1 are fixed through bolts, the installation groove 33 is uniformly formed in the installation base 31, a first pressing block 32 is arranged in the installation groove 33, the first pressing block 32 is connected with the installation base 31 through a rotating shaft, through holes 310 are distributed in one side of the installation base 31, a spring rod 39 is arranged in the through holes 310, one end of the spring rod 39 is used for supporting the first pressing block 32 in the working process, and the first pressing block is convenient to rotate for a certain angle under the action of the rotating shaft;
the outer distribution of installation base 31 has dead lever 37, there is second briquetting 38 on the top of dead lever 37 through hinge swing joint, the center department of second briquetting 38 articulates there is connecting rod 36, the both ends of second briquetting 38 all contact with the top of spring beam 39, one side of connecting rod 36 is provided with electric telescopic handle 34, and electric telescopic handle 34 passes through the bolt fastening with installation base 31, when loading and unloading work conversion, through the flexible connecting rod 36 that drives of control electric telescopic handle 34, and then drive the motion of second briquetting 38, it is spacing to carry out the difference to spring beam 39.
The top of threaded sleeve 21 is fixed with rack 35 through the bolt, and rack 35 sawtooth part is 90 degrees contained angles, and one side of first briquetting 32 contacts with rack 35, when rack 35 removed, extrudees first briquetting 32 through its sawtooth part, realizes the motion of rack 35 one direction, carries out the auto-lock to its reverse motion, improves the auto-lock effect.
When the draw-arm hook is used for loading, firstly, the driving cylinder 6 is opened, so that the connecting frame 5 is driven to rotate anticlockwise, the connecting frame 5 drives the screw rod 22 to rotate, under the limiting action of the guide rod 23, the two threaded sleeves 21 synchronously move relative to each other, and further the racks 35 are driven to synchronously move in opposite directions, the first pressing blocks 32 are compressed in the moving process of the racks 35, under the elastic action of the spring rod 39, each first pressing block 32 can only rotate in a certain direction, the racks 35 can move in opposite directions, meanwhile, the connecting frame 5 drives the L-shaped draw-arm hook to move, and as the connecting frame 5 is hinged with the piston rod of the driving cylinder 6 and the L-shaped draw-arm hook, the flexible rotation of the L-shaped draw-arm hook is facilitated, and the convenience in operation is improved; meanwhile, when loading, each first pressing block 32 can only rotate towards a certain direction, when the first pressing block 32 rotates reversely, the first pressing block 32 can block the rack 35, so that the first pressing block cannot move reversely to complete self-locking, and when unloading, the electric telescopic rod 34 is controlled to extend outwards to drive the connecting rod 36 to move outwards, so that the second pressing block 38 is driven to move, under the elastic action of the spring rod 39, the first pressing block 32 rotates for a certain angle, and the first pressing block is opposite to the original state, at the moment, the L-shaped pull arm hook and the like can only rotate clockwise, self-locking in the unloading process is completed, different self-locking performances required in the loading and unloading process are realized, and the self-locking effect of the whole device is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a rotatable draw arm hook, includes fixing base (1), removal subassembly (2), self-lock device (3), L type draw arm hook (4), link (5) and drives actuating cylinder (6), its characterized in that: the utility model discloses a power source, including fixing base (1), drive actuating cylinder (6), and two drive and be provided with link (5) between actuating cylinder (6), and the piston rod that drives actuating cylinder (6) passes through hinge swing joint with link (5), the top of link (5) has L type arm-drag hook (4) through hinge swing joint, the internally mounted of fixing base (1) has removal subassembly (2), removal subassembly (2) outside is provided with self-lock device (3), drive actuating cylinder (6) and external power source electric connection.
2. A rotatable draw arm hook as set forth in claim 1, wherein: remove subassembly (2) including threaded sleeve (21) and screw rod (22), screw rod (22) pass through bearing swing joint with fixing base (1), threaded sleeve (21) have been cup jointed to the outside correspondence of screw rod (22), screw rod (22) outside is provided with the positive and negative screw thread of symmetry, and two threaded sleeve (21) are the cooperation structure with the positive and negative screw thread of symmetry respectively, link (5) are passed in screw rod (22), and screw rod (22) and link (5) pass through welded fastening, the both sides correspondence of threaded sleeve (21) is provided with journal stirrup (24), the inside of journal stirrup (24) is run through there is guide arm (23).
3. A rotatable draw arm hook as set forth in claim 1, wherein: self-lock device (3) are including installation base (31) and mounting groove (33), installation base (31) pass through the bolt fastening with fixing base (1), mounting groove (33) have evenly been seted up to the inside of installation base (31), the inside of mounting groove (33) is provided with first briquetting (32), and is connected through the pivot between first briquetting (32) and installation base (31), one side distribution of installation base (31) has through-hole (310), the inside of through-hole (310) is provided with spring beam (39).
4. A rotatable draw arm hook as set forth in claim 3, wherein: the outer distributing of installation base (31) has dead lever (37), there is second briquetting (38) on the top of dead lever (37) through hinge swing joint, the center department of second briquetting (38) articulates there is connecting rod (36), the both ends of second briquetting (38) all contact with the top of spring lever (39), one side of connecting rod (36) is provided with electric telescopic handle (34), and electric telescopic handle (34) pass through bolt fastening with installation base (31).
5. A rotatable draw arm hook as set forth in claim 2, wherein: the top of threaded sleeve (21) is fixed with rack (35) through the bolt, rack (35) sawtooth part is 90 degrees contained angles, and one side of first briquetting (32) contacts with rack (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940685.6U CN210102961U (en) | 2019-06-20 | 2019-06-20 | Rotatable draw arm hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920940685.6U CN210102961U (en) | 2019-06-20 | 2019-06-20 | Rotatable draw arm hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210102961U true CN210102961U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920940685.6U Active CN210102961U (en) | 2019-06-20 | 2019-06-20 | Rotatable draw arm hook |
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| CN (1) | CN210102961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392409A (en) * | 2020-04-01 | 2020-07-10 | 广东博智林机器人有限公司 | Battery replacing device and battery replacing equipment |
-
2019
- 2019-06-20 CN CN201920940685.6U patent/CN210102961U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111392409A (en) * | 2020-04-01 | 2020-07-10 | 广东博智林机器人有限公司 | Battery replacing device and battery replacing equipment |
| CN111392409B (en) * | 2020-04-01 | 2022-04-12 | 广东博智林机器人有限公司 | Battery replacing device and battery replacing equipment |
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