CN220549898U - Movable pulley lifting sling - Google Patents
Movable pulley lifting sling Download PDFInfo
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- CN220549898U CN220549898U CN202321747761.4U CN202321747761U CN220549898U CN 220549898 U CN220549898 U CN 220549898U CN 202321747761 U CN202321747761 U CN 202321747761U CN 220549898 U CN220549898 U CN 220549898U
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- movable pulley
- fixedly connected
- lifting hook
- lifting
- hook
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Abstract
The utility model provides a movable pulley lifting sling, and belongs to the technical field of lifting slings. The movable pulley lifting sling comprises a movable pulley lifting sling body and a first anti-falling mechanism, wherein a lower lifting hook is arranged on the movable pulley lifting sling body; the first anti-falling mechanism comprises a supporting rod, a supporting seat, a connecting plate, a connecting rope and a first limiting rod, and the supporting rod is in sliding connection with the lower lifting hook; the supporting seat is fixedly connected with the supporting rod; the connecting plate is fixedly connected with the supporting rod; the connecting rope is fixedly connected with the connecting plate and is in sliding connection with the lower lifting hook; the first gag lever post and connecting rope fixed connection, first gag lever post is pegged graft with lower lifting hook, hangs the rope that will connect the heavy object on the supporting seat through being, and the supporting seat is pushed down in lifting by crane the in-process, and the supporting seat drives the connecting plate and descends, and the connecting plate pulling connects the rope, and the connecting rope makes the outside slip of first gag lever post insert into the draw-in groove to prevent that the heavy object from droing, reduced the potential safety hazard.
Description
Technical Field
The utility model relates to the technical field of lifting slings, in particular to a movable pulley lifting sling.
Background
The lifting appliance is a device for lifting a heavy object in a lifting machine. The most commonly used slings for lifting articles are hooks, and others are slings, lifting chucks, clamps, forks, and the like. The lifting sucker, the clamp, the fork and the like can be used on a crane for a long time as a special lifting appliance, can also be used as a replaceable auxiliary lifting appliance to be hung on a lifting hook for temporary use, and are commonly used for multi-cargo warehouse and storage yard to improve the operation efficiency, and the movable pulley lifting appliance is a common household lifting appliance.
The existing movable pulley lifting sling is characterized in that an upper lifting hook of the lifting sling is hung on a hanging ring, a lower lifting hook is hung on a heavy object, one end of a hand-pulled rope is used for hanging the heavy object to a certain height by using the movable pulley, but in the lifting process, the stability of a force is difficult to control manually, so that the heavy object can slide from the lower lifting hook, and potential safety hazards exist, so that the movable pulley lifting sling is provided for solving the problems.
Disclosure of Invention
In order to remedy the above-mentioned drawbacks, the present utility model provides a travelling block lifting sling that overcomes or at least partially solves the above-mentioned technical problems.
The utility model provides a movable pulley lifting sling, which comprises
The movable pulley lifting appliance comprises a movable pulley lifting appliance body, wherein a lower lifting hook is arranged on the movable pulley lifting appliance body;
a first anti-falling mechanism arranged on the lower lifting hook and comprising
The supporting rod is connected with the lower lifting hook in a sliding manner;
the support seat is fixedly connected with the support rod;
the connecting plate is fixedly connected with the supporting rod;
the connecting rope is fixedly connected with the connecting plate and is in sliding connection with the lower lifting hook;
the first limiting rod is fixedly connected with the connecting rope and is spliced with the lower lifting hook.
In a preferred scheme, a clamping groove matched with the first limiting rod is formed in the lower lifting hook, a first sliding groove is formed in the lower lifting hook, and the inner wall of the first sliding groove is in sliding connection with the first limiting rod.
In a preferred scheme, a second chute is further formed in the lower lifting hook, the second chute is communicated with the first chute, and the diameter of the first chute is smaller than that of the second chute.
In a preferred scheme, one side fixedly connected with limiting plate of first gag lever post, limiting plate and the inner wall sliding connection of second spout, fixedly connected with first spring between limiting plate and the second spout.
In a preferred scheme, the inner wall of the lower lifting hook is fixedly connected with a limiting ring, and the connecting rope penetrates through the limiting ring.
In a preferred scheme, the movable pulley sling body further comprises an upper lifting hook and a rope, wherein the upper lifting hook is fixedly connected to one end of the rope.
In a preferred scheme, a second anti-falling mechanism is arranged on the upper lifting hook and comprises a pin shaft fixedly connected to the outer side of the upper lifting hook.
In a preferred scheme, the pin shaft is rotatably connected with a second limiting rod, the outer side of the upper lifting hook is fixedly connected with a fixing plate, and a second spring is fixedly connected between the fixing plate and the second limiting rod.
In a preferred scheme, the outside fixedly connected with pin of lifting hook, set up on the second gag lever post with pin assorted recess.
The utility model provides a movable pulley lifting sling, which has the beneficial effects that:
1. through hanging the rope of connecting the heavy object on the supporting seat, the gravity of heavy object makes the supporting seat remove downwards at the in-process of lifting by crane, and the supporting seat drives the connecting plate and descends, and connecting plate pulling connects the rope, and connecting the rope makes first gag lever post outwards slide, and then inserts into the draw-in groove to prevent the problem that the heavy object drops at the in-process of lifting by crane, reduced the potential safety hazard.
2. The second limiting rod is rotated clockwise to keep away from the stop lever, the upper lifting hook is hung on the lifting ring at a high position, then the second limiting rod is loosened, and the second limiting rod is reset to prop against the stop lever under the rebound action of the second spring, so that the upper lifting hook is prevented from falling off from the lifting ring at the high position in the starting process, the possibility of falling of a heavy object is further prevented, and the potential safety hazard is further reduced.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a perspective view of an overall structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic view of a lower hook according to an embodiment of the present utility model;
FIG. 3 is a front perspective view of a lower hook according to an embodiment of the present utility model;
FIG. 4 is a schematic cross-sectional view of a portion of a lower hook according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the structure of the upper hook face according to an embodiment of the present utility model;
in the figure: 1. a movable pulley sling body; 101. a lower lifting hook; 102. a lifting hook is arranged; 103. a rope; 2. a first anti-falling mechanism; 201. a support rod; 202. a support base; 203. a connecting plate; 204. a connecting rope; 205. a first stop lever; 206. a clamping groove; 207. a first chute; 208. a second chute; 209. a limiting plate; 210. a first spring; 211. a limiting ring; 3. a second anti-falling mechanism; 301. a pin shaft; 302. a second limit rod; 303. a fixing plate; 304. a second spring; 305. a stop lever.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the movable pulley lifting sling comprises a movable pulley lifting sling body 1 and a first anti-falling mechanism 2, wherein a lower lifting hook 101 is arranged on the movable pulley lifting sling body 1; the first anti-falling mechanism 2 is arranged on the lower lifting hook 101, the first anti-falling mechanism 2 comprises a supporting rod 201, a supporting seat 202, a connecting plate 203, a connecting rope 204 and a first limiting rod 205, and the supporting rod 201 is in sliding connection with the lower lifting hook 101; the supporting seat 202 is fixedly connected with the supporting rod 201; the connecting plate 203 is fixedly connected with the supporting rod 201; the connecting rope 204 is fixedly connected with the connecting plate 203, and the connecting rope 204 is in sliding connection with the lower lifting hook 101; the first stop lever 205 is fixedly connected with the connecting rope 204, the first stop lever 205 is spliced with the lower lifting hook 101, a clamping groove 206 matched with the first stop lever 205 is formed in the lower lifting hook 101, a first sliding groove 207 is formed in the lower lifting hook 101, the inner wall of the first sliding groove 207 is slidably connected with the first stop lever 205, a rope connected with a heavy object is hung on the supporting seat 202, the supporting seat 202 moves downwards due to the gravity of the heavy object in the hoisting process, the supporting seat 202 drives the connecting plate 203 to descend, the connecting plate 203 pulls the connecting rope 204, the connecting rope 204 enables the first stop lever 205 to slide outwards, and then the clamping groove 206 is spliced, so that the problem that the heavy object falls off in the hoisting process is solved, and potential safety hazards are reduced.
The lower lifting hook 101 is further provided with a second chute 208, the second chute 208 is communicated with the first chute 207, the diameter of the first chute 207 is smaller than that of the second chute 208, one side of the first limiting rod 205 is fixedly connected with a limiting plate 209, the limiting plate 209 is in sliding connection with the inner wall of the second chute 208, a first spring 210 is fixedly connected between the limiting plate 209 and the second chute 208, the inner wall of the lower lifting hook 101 is fixedly connected with a limiting ring 211, a connecting rope 204 penetrates through the limiting ring 211, when the first limiting rod 205 slides outwards, the limiting plate 209 can be driven to slide outwards, the limiting plate 209 compresses the first spring 210, after a weight is lifted to a specified position, no pressure is applied to the supporting seat 202, under the rebound action of the first spring 210, the first limiting rod 205 is reset without manual reset, so that the next use is convenient, the limiting plate 209 can also be used for preventing the first limiting rod 205 from sliding from the first chute 207, and the limiting ring 211 is used for limiting the connecting rope 204;
the movable pulley sling body 1 further comprises an upper lifting hook 102 and a rope 103, the upper lifting hook 102 is fixedly connected to one end of the rope 103, a second anti-falling mechanism 3 is arranged on the upper lifting hook 102, the second anti-falling mechanism 3 comprises a pin shaft 301, the pin shaft 301 is fixedly connected to the outer side of the upper lifting hook 102, the pin shaft 301 is rotationally connected with a second limiting rod 302, a fixing plate 303 is fixedly connected to the outer side of the upper lifting hook 102, a second spring 304 is fixedly connected between the fixing plate 303 and the second limiting rod 302, a stop rod 305 is fixedly connected to the outer side of the upper lifting hook 102, a groove matched with the stop rod 305 is formed in the second limiting rod 302, the second limiting rod 302 is far away from the stop rod 305 through clockwise rotation of the second limiting rod 302, the upper lifting hook 102 is hung on a lifting ring at a high position, then the second limiting rod 302 is loosened, the second limiting rod 302 is reset under the rebound action of the second spring 304, and the stop rod 305 is propped against the stop rod 305 so that the upper lifting hook 102 is prevented from falling from a lifting ring at a high position in the starting process, the possibility that a heavy object falls is further reduced.
Specifically, the working process or working principle of the movable pulley lifting sling is as follows: the operator rotates the second stop lever 302 clockwise, keeps away from the stop lever 305 with the second stop lever 302, hangs the lifting hook 102 on the rings of eminence, then unclamps the second stop lever 302, under the resilience effect of second spring 304, the second stop lever 302 resets, supports stop lever 305 to prevent lifting hook 102 from coming off from the rings of eminence in the start-up process.
Then hang the rope of connecting the heavy object on supporting seat 202, the gravity of heavy object makes supporting seat 202 downwardly moving in the process of lifting by crane, supporting seat 202 drives connecting plate 203 and descends, connecting plate 203 pulls connecting rope 204, connecting rope 204 makes first gag lever post 205 outwards slide, and then insert into draw-in groove 206, in order to prevent the problem that the heavy object drops in the process of lifting by crane, the potential safety hazard has been reduced, when first gag lever post 205 outwards slides, can drive limiting plate 209 outwards slide, limiting plate 209 compresses first spring 210, after hanging the heavy object to the assigned position, do not exert pressure to supporting seat 202, under the resilience effect of first spring 210, make first gag lever post 205 reset, need not the manual reset, in order to make things convenient for the next time use, limiting plate 209 can also be used for preventing first gag lever post 205 from first spout 207, limiting ring 211 is used for the spacing to connecting rope 204.
Claims (9)
1. The movable pulley lifting sling is characterized by comprising a movable pulley lifting sling body (1), wherein a lower lifting hook (101) is arranged on the movable pulley lifting sling body (1);
a first anti-falling mechanism (2), wherein the first anti-falling mechanism (2) is arranged on the lower lifting hook (101), and the first anti-falling mechanism (2) comprises
The supporting rod (201) is connected with the lower lifting hook (101) in a sliding manner;
the support seat (202), the said support seat (202) is fixedly connected with supporting rod (201);
the connecting plate (203), the connecting plate (203) is fixedly connected with the supporting rod (201);
the connecting rope (204), the connecting rope (204) is fixedly connected with the connecting plate (203), and the connecting rope (204) is in sliding connection with the lower lifting hook (101);
the first limiting rod (205), first limiting rod (205) and connecting rope (204) fixed connection, first limiting rod (205) are pegged graft with lower lifting hook (101).
2. The movable pulley lifting appliance according to claim 1, wherein the lower lifting hook (101) is provided with a clamping groove (206) matched with the first limiting rod (205), the lower lifting hook (101) is provided with a first sliding groove (207), and the inner wall of the first sliding groove (207) is in sliding connection with the first limiting rod (205).
3. The movable pulley lifting appliance according to claim 2, wherein the lower lifting hook (101) is further provided with a second chute (208), the second chute (208) is communicated with the first chute (207), and the diameter of the first chute (207) is smaller than that of the second chute (208).
4. A travelling block lifting sling as defined in claim 3, wherein one side of the first limit rod (205) is fixedly connected with a limit plate (209), the limit plate (209) is slidably connected with the inner wall of the second chute (208), and a first spring (210) is fixedly connected between the limit plate (209) and the second chute (208).
5. The movable pulley hoist according to claim 4, characterized in that the inner wall of the lower hook (101) is fixedly connected with a limiting ring (211), and the connecting rope (204) penetrates through the limiting ring (211).
6. The movable pulley hoist according to claim 5, characterized in that the movable pulley hoist body (1) further comprises an upper hook (102) and a rope (103), wherein the upper hook (102) is fixedly connected to one end of the rope (103).
7. The movable pulley lifting appliance according to claim 6, wherein the upper lifting hook (102) is provided with a second anti-falling mechanism (3), the second anti-falling mechanism (3) comprises a pin shaft (301), and the pin shaft (301) is fixedly connected to the outer side of the upper lifting hook (102).
8. The movable pulley lifting appliance according to claim 7, wherein the pin shaft (301) is rotatably connected with a second limiting rod (302), a fixing plate (303) is fixedly connected to the outer side of the upper lifting hook (102), and a second spring (304) is fixedly connected between the fixing plate (303) and the second limiting rod (302).
9. The movable pulley lifting appliance according to claim 8, wherein a stop lever (305) is fixedly connected to the outer side of the upper lifting hook (102), and a groove matched with the stop lever (305) is formed in the second limiting rod (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747761.4U CN220549898U (en) | 2023-07-05 | 2023-07-05 | Movable pulley lifting sling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747761.4U CN220549898U (en) | 2023-07-05 | 2023-07-05 | Movable pulley lifting sling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220549898U true CN220549898U (en) | 2024-03-01 |
Family
ID=90005096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321747761.4U Active CN220549898U (en) | 2023-07-05 | 2023-07-05 | Movable pulley lifting sling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220549898U (en) |
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2023
- 2023-07-05 CN CN202321747761.4U patent/CN220549898U/en active Active
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