CN220056025U - Dead weight type anti-drop lifting grabbing device - Google Patents
Dead weight type anti-drop lifting grabbing device Download PDFInfo
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- CN220056025U CN220056025U CN202320775448.5U CN202320775448U CN220056025U CN 220056025 U CN220056025 U CN 220056025U CN 202320775448 U CN202320775448 U CN 202320775448U CN 220056025 U CN220056025 U CN 220056025U
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- main shaft
- clamping jaw
- hinge points
- self
- grabbing device
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- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a self-weight anti-drop lifting grabbing device, which comprises: the main shaft is provided with two groups of hinge points at intervals along the vertical direction, one group of hinge points on the upper side are symmetrically arranged on two sides of the movable ring, the movable ring is sleeved on the main shaft and can slide along the main shaft, and one group of hinge points on the lower side are fixedly arranged on two sides of the main shaft; the connecting rods are symmetrically arranged by taking the main shaft as a central shaft, a group of hinge points on the upper side are respectively hinged with one end of each connecting rod, and the other ends of the connecting rods are respectively fixedly connected with the tops of the clamping jaw frames; the clamping jaw frames are symmetrically arranged by taking the main shaft as a central shaft, the top parts of the clamping jaw frames are fixedly connected with the connecting rod, the middle parts of the clamping jaw frames are provided with fixing parts, and the bottom parts of the clamping jaw frames are provided with clamping parts; the limiting rod is symmetrically arranged by taking the main shaft as a central shaft, a group of hinge points at the lower side are respectively hinged with one end of the limiting rod, and the other end of the limiting rod is respectively hinged with the fixing part. The device has adjustable opening and closing angles, the self-clamping of the product is finished by using the self weight of the device and the weight of the product, the heavier the device is, the tighter the clamping state is, and the safety is high.
Description
Technical Field
The utility model relates to the technical field of hanging grabbing devices, in particular to a self-weight anti-falling hanging grabbing device.
Background
In the casting production process, a clamp is generally used for clamping a hot casting which is just demolded, and when a large casting is transported, a clamping tool for clamping long-arm levers such as a clamp cannot be applied because the large casting is usually tens of kilograms in weight, and hanging and grabbing are generally adopted. In the prior art, the hanging and grabbing device generally finishes hanging and grabbing operation by hooking one or more points on the casting, but when the casting is hooked by the hook claw, scratches are easily caused on the surface of the casting and the possibility of falling off the hook claw is easily caused, so that the appearance defect of the casting is easily caused and the casting is easily fallen.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the dead weight type anti-falling lifting grabbing device which can realize clamping by utilizing dead weight and product weight, effectively prevent falling and improve the lifting safety.
The technical scheme adopted by the utility model is as follows:
a self-weight anti-drop lifting gripping device, comprising:
the main shaft is provided with two groups of hinge points at intervals along the vertical direction, one group of hinge points on the upper side are symmetrically arranged on two sides of the movable ring, the movable ring is sleeved on the main shaft and can slide along the main shaft, and one group of hinge points on the lower side are fixedly arranged on two sides of the main shaft;
the connecting rods are symmetrically arranged by taking the main shaft as a central shaft, a group of hinge points on the upper side are respectively hinged with one end of each connecting rod, and the other ends of the connecting rods are respectively fixedly connected with the tops of the clamping jaw frames;
the clamping jaw frames are symmetrically arranged by taking the main shaft as a central shaft, the top parts of the clamping jaw frames are fixedly connected with the connecting rod, the middle parts of the clamping jaw frames are provided with fixing parts, and the bottom parts of the clamping jaw frames are provided with clamping parts;
and the limiting rods are symmetrically arranged by taking the main shaft as a central shaft, a group of hinge points at the lower side are respectively hinged with one end of each limiting rod, and the other ends of the limiting rods are respectively hinged with the fixing parts.
The further technical scheme is as follows:
the connecting rod is connected with the top of the clamping jaw frame at an obtuse angle.
The connecting rod is the same as the limiting rod in length.
The fixed part is a fixed rod arranged along the vertical direction, and a hinge point is arranged on the fixed rod.
The clamping jaw frame comprises a square frame, wherein two ends of the top of the square frame are fixedly connected with the connecting rod through reinforcing ribs respectively, and clamping parts are symmetrically arranged at two ends of the bottom of the square frame.
The fixed part is arranged at the middle position of the top of the square frame.
The upper side is provided with a group of hinge points on the connecting blocks welded on the two sides of the movable ring.
The lower side is provided with a group of hinge points on the connecting blocks welded on the two sides of the main shaft.
And the top of the main shaft is provided with a lifting lug.
The beneficial effects of the utility model are as follows:
the device provided by the utility model realizes free adjustment of the opening and closing angle through the mutual matching of the group of connecting rods connected with the movable ring and the limiting rod, and the self-clamping of the product is finished through the self weight of the device and the weight of the product, so that the heavier the device is, the tighter the clamping state is, the convenient use is and the safety is high. The method is applicable to products with different sizes and has good universality.
The device has the advantages of simple structure, low manufacturing cost and stable working state. The device is convenient to use and store, and the risk of outward stretching caused by overlarge external force of the clamping part in the lifting process of the device is avoided.
Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a device according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a spindle according to an embodiment of the present utility model.
Fig. 3 is a schematic view of the device according to the embodiment of the present utility model in a free state.
Fig. 4 is a schematic view of the device according to the embodiment of the present utility model in an open state.
Fig. 5 is a schematic structural view of the device in a lifted state according to the embodiment of the present utility model.
In the figure: 1. lifting lugs; 2. a main shaft; 3. a movable ring; 31. a set of hinge points on the upper side; 4. a connecting rod; 5. a limit rod; 6. a fixing part; 7. a clamping jaw frame; 71. reinforcing ribs; 8. a clamping part; 9. a set of hinge points on the underside; 10. and a weight.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
Referring to fig. 1, the self-weight anti-falling lifting grabbing device of this embodiment includes:
the main shaft 2 is provided with two groups of hinge points at intervals along the vertical direction, a group of hinge points 31 on the upper side are symmetrically arranged on two sides of the movable ring 3, the movable ring 3 is sleeved on the main shaft 2 and can slide along the main shaft 2, and a group of hinge points 9 on the lower side are fixedly arranged on two sides of the main shaft 2;
the connecting rods 4 are symmetrically arranged by taking the main shaft 2 as a central shaft, a group of hinge points 31 on the upper side are respectively hinged with one end of each connecting rod 4, and the other ends of the connecting rods 4 are respectively fixedly connected with the tops of the clamping jaw frames 7;
the clamping jaw frames 7 are symmetrically arranged by taking the main shaft 2 as a central shaft, the top parts of the clamping jaw frames 7 are fixedly connected with the connecting rods 4, the middle parts of the clamping jaw frames are provided with fixing parts 6, and the bottom parts of the clamping jaw frames are provided with clamping parts 8;
the limiting rod 5 is symmetrically arranged by taking the main shaft 2 as a central shaft, a group of hinge points 9 at the lower side are respectively hinged with one end of the limiting rod 5, and the other end of the limiting rod 5 is respectively hinged with the fixing part 6.
Wherein, the connecting rod 4 and the top of the clamping jaw frame 7 are connected by an obtuse angle. The connecting rod 4 and the clamping jaw frame 7 can be fixedly connected through welding.
Wherein the length of the connecting rod 4 is the same as that of the limit rod 5.
The structure of the clamping jaw frame 7 specifically comprises: including square frame, square frame top both ends are respectively through strengthening rib 71 and connecting rod 4 fixed connection, and clamping part 8 symmetry sets up at square frame bottom both ends. The clamping portion 8 may be disposed perpendicular to an inner side surface of the square frame.
Specifically, the fixing portion 6 may be a fixing rod disposed along a vertical direction, and disposed at a middle position of the top of the square frame. The fixing part 6 is provided with a hinge point. The reinforcing ribs 71 are welded between the square frame and the fixing bars to strengthen the structural strength.
Specifically, the clamping part 8 is a pair of extending structures arranged at the inner side of the bottom of the square frame, and plays a role of clamping jaw for contacting with the suspended weight.
Referring to fig. 2, a set of hinge points 31 at the upper side are provided on the connection blocks welded to both sides of the movable ring 3. A set of hinge points 9 on the underside are provided on the connection blocks welded to both sides of the spindle 2.
Specifically, the structure one end of connecting rod is fork-shaped, and the both ends of gag lever post all are fork-shaped, utilize fork-shaped structure can be with the hinge realization that corresponds of hinge.
The top of the main shaft 2 is provided with a lifting lug 1, so that the lifting is convenient.
It will be understood that, in order to maintain balance, the self-weight anti-falling lifting gripping device of this embodiment is of a symmetrical structure as a whole, the jaw frames 7 are symmetrically disposed on the left and right sides of the main shaft, and the clamping portions 8 are symmetrically disposed on the front and rear sides of the main shaft.
The application method of the self-weight anti-drop lifting grabbing device in the embodiment comprises the following steps:
the device in a free state shown in fig. 3 is hung on a travelling crane hook through the lifting lug 1, then the clamping jaw frame 7 on one side is firstly grasped and lifted upwards, at the moment, the limiting rod 5 plays a role of a pivot, the movable ring 3 moves upwards, the opening operation of the clamping part 8 is completed, and the structure of the device in the open state is shown in fig. 4. After opening, the device is moved above the weight 10 to be lifted, the gripped clamping jaw frames 7 on one side are loosened, at the moment, under the action of the self gravity of the device, the clamping jaw frames 7 on the two sides start to be closed inwards until contacting the weight 10, and lifting is started, and the structure in the state is shown in fig. 5. Because the weight 10 applies downward gravity to the clamping part 8, and the limiting rod 5 synchronously applies inward traction force to the clamping jaw frame 7, the risk of external tension caused by overlarge stress of the clamping part 8 due to overlarge weight of the weight 10 can be avoided. After the weight 10 is transferred to the destination, the weight of the device is reduced and the person can grasp the single-sided jaw frame again to open it back to the condition shown in fig. 4.
It can be understood that for weights of different sizes, the jaw frames are lifted at different angles, and the drawing of the embodiment shows the situation that the jaw frames are just along the vertical direction. The device of the embodiment is suitable for clamping products with various sizes, and has strong universality.
Those of ordinary skill in the art will appreciate that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a dead weight formula anti-drop lifts by crane grabbing device which characterized in that includes:
the main shaft (2) is provided with two groups of hinge points at intervals along the vertical direction, a group of hinge points (31) on the upper side are symmetrically arranged on two sides of the movable ring (3), the movable ring (3) is sleeved on the main shaft (2) and can slide along the main shaft, and a group of hinge points (9) on the lower side are fixedly arranged on two sides of the main shaft (2);
the connecting rods (4) are symmetrically arranged by taking the main shaft (2) as a central shaft, a group of hinge points (31) on the upper side are respectively hinged with one end of each connecting rod (4), and the other ends of the connecting rods (4) are respectively fixedly connected with the tops of the clamping jaw frames (7);
the clamping jaw frames (7) are symmetrically arranged by taking the main shaft (2) as a central shaft, the top parts of the clamping jaw frames (7) are fixedly connected with the connecting rod (4), the middle parts of the clamping jaw frames are provided with fixing parts (6), and the bottom parts of the clamping jaw frames are provided with clamping parts (8);
the limiting rods (5) are symmetrically arranged by taking the main shaft (2) as a central shaft, a group of hinge points (9) at the lower side are respectively hinged with one ends of the limiting rods (5), and the other ends of the limiting rods (5) are respectively hinged with the fixing parts (6).
2. Self-weight anti-drop lifting grabbing device according to claim 1, characterized in that the connecting rod (4) and the top of the clamping jaw frame (7) are connected at an obtuse angle.
3. The self-weight anti-falling lifting grabbing device according to claim 1, wherein the connecting rod (4) and the limiting rod (5) are the same in length.
4. The self-weight anti-falling lifting grabbing device according to claim 1, wherein the fixing part (6) is a fixing rod arranged along the vertical direction, and a hinge point is arranged on the fixing rod.
5. The self-weight anti-falling lifting grabbing device according to claim 1, wherein the structure of the clamping jaw frame (7) comprises a square frame, two ends of the top of the square frame are fixedly connected with the connecting rod (4) through reinforcing ribs (71) respectively, and clamping portions (8) are symmetrically arranged at two ends of the bottom of the square frame.
6. The self-weight anti-falling lifting grabbing device according to claim 5, wherein the fixing part (6) is arranged at the middle position of the top of the square frame.
7. The self-weight anti-falling lifting grabbing device according to claim 1, wherein a group of hinge points (31) on the upper side are arranged on connecting blocks welded on two sides of the movable ring (3).
8. The self-weight anti-falling lifting grabbing device according to claim 1, wherein a set of hinge points (9) on the lower side are arranged on connecting blocks welded on two sides of the main shaft (2).
9. The self-weight anti-falling lifting grabbing device according to claim 1, wherein the top of the main shaft (2) is provided with a lifting lug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320775448.5U CN220056025U (en) | 2023-04-11 | 2023-04-11 | Dead weight type anti-drop lifting grabbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320775448.5U CN220056025U (en) | 2023-04-11 | 2023-04-11 | Dead weight type anti-drop lifting grabbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056025U true CN220056025U (en) | 2023-11-21 |
Family
ID=88755848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320775448.5U Active CN220056025U (en) | 2023-04-11 | 2023-04-11 | Dead weight type anti-drop lifting grabbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056025U (en) |
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2023
- 2023-04-11 CN CN202320775448.5U patent/CN220056025U/en active Active
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