CN215626128U - Lifting appliance rotary locking device - Google Patents
Lifting appliance rotary locking device Download PDFInfo
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- CN215626128U CN215626128U CN202122245505.2U CN202122245505U CN215626128U CN 215626128 U CN215626128 U CN 215626128U CN 202122245505 U CN202122245505 U CN 202122245505U CN 215626128 U CN215626128 U CN 215626128U
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- connecting rod
- bearing
- lifting appliance
- supporting
- twist
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Abstract
The utility model relates to the field of hoisting machinery, in particular to a rotary locking device for a lifting appliance, which comprises a connecting rod and a bearing assembly, wherein the bearing assembly comprises a bearing part and a supporting part connected with the bearing part, one end of the supporting part, far away from the bearing part, is fixedly connected to one side in the lifting appliance, and the other end, far away from the supporting part, of the supporting part supports the connecting rod. According to the utility model, the stress change position interval of the connecting rod during the lifting operation is obtained by analyzing the stress of the connecting rod in the lifting appliance twist-lock device, and the stress of the connecting rod is relieved by designing the load bearing component made of nylon material to support the connecting rod, so that the technical pain that the twist lock cannot be locked correctly due to the concentrated stress of the twist-lock connecting rod is solved. The utility model is suitable for various container spreaders with connecting rods arranged inside.
Description
Technical Field
The utility model relates to the field of hoisting machinery, in particular to a rotary locking device for a lifting appliance.
Background
The standardization of container products and a whole set of transportation system established by the standardization can realize the standardization of a large natural object carrying dozens of tons, and gradually realize a logistics system matched with ships, ports, air lines, roads, transfer stations, bridges, tunnels and multi-type intermodal transportation on the basis of the standardization.
The lifting appliance twist lock device is mainly applied to container lifting operation, and can lift a container after rotating the lock catch by aligning four corner fitting holes at the top or the bottom of the container through the container twist lock. There are two main types of container spreaders-fixed and telescopic. The fixed hanger is a hanger with fixed length and length, and can only be used for lifting containers of a certain size and model; the telescopic lifting appliance is a lifting appliance capable of being extended and contracted in length for adapting to different size requirements of containers, and the lifting appliance has a wide application range and can lift various or even all types of containers. The operation mode of the lifting appliance twist lock device is mainly that a twist lock oil cylinder is used as a hydraulic power source for unlocking and locking, the twist lock oil cylinder is connected with a rigid connecting rod, a connecting rod mechanism is rotationally connected with twist locks at two ends, and then the rotation and the opening and the closing of the twist locks at two ends are controlled through power provided by the twist lock oil cylinder.
But the connecting rod that adopts at present is hollow square structure mostly, has certain length and does not have any support in the middle of the connecting rod, and when the operation, the connecting rod has born great stress, leads to the bearing damage of the twistlock be connected with the connecting rod and the connecting rod fracture at the junction of hydro-cylinder, causes the hoist twistlock to can't realize with two twistlocks of one side interlocking, leads to the twistlock virtual even and closes to cause the container because the twistlock is not the case collapse accident of accurate shutting when the operation.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a lifting device twistlock device, wherein a stress variation position section of a connecting rod during a lifting operation is obtained by analyzing a stress of the connecting rod in the lifting device twistlock device, and the stress of the connecting rod is relieved by supporting the connecting rod with a load-bearing component, so as to solve a technical pain point that the twistlock cannot be locked correctly due to concentrated stress of the twistlock connecting rod.
The technical purpose of the utility model is realized by the following technical scheme that the lifting appliance twist-locking device comprises a lifting appliance body, wherein a connecting rod and a bearing assembly are arranged in the lifting appliance body, the bearing assembly comprises a bearing part and a supporting part connected with the bearing part, one end of the supporting part, far away from the bearing part, is fixedly connected to one side in the lifting appliance body, and the other end, far away from the supporting part, of the supporting part supports the connecting rod.
In one embodiment, the supporting member includes a supporting portion and a fixing portion connected to the supporting portion, the fixing portion is fixedly connected to one side of the interior of the hanger body, and the supporting portion supports the supporting member.
In one embodiment, further, the fixing portion is connected to the inner side of the hanger body by a method including, but not limited to, riveting, welding or integral molding.
In one embodiment, the supporting member and the supporting member are provided with at least four connecting holes and screws, and the screws penetrate through the connecting holes in the supporting member and are connected with the first nuts.
In one embodiment, the support member is provided with a recess adapted to the connecting rod.
In one embodiment, two inner side surfaces of the groove have an included angle with respect to a vertical line, and the included angle is 10 ° to 30 °, and preferably 10 °.
In one embodiment, the support member is nylon.
In one embodiment, the load-bearing assembly further comprises a reinforcing rib with an equilateral right-angled triangle vertical section, and two right-angled sides of the reinforcing rib are respectively and fixedly connected with one side of the interior of the hanger body and the supporting part.
The utility model has the advantages that:
(1) the stress analysis is carried out on the connecting rod in the lifting appliance twist-lock device, the stress change position interval of the connecting rod during lifting operation is obtained, and the bearing assembly is designed to bear the connecting rod so as to relieve the stress of the connecting rod, so that the technical pain point that the twist lock cannot be locked correctly due to the concentrated stress of the twist lock connecting rod is solved;
(2) the connecting rod of the twist-lock lifting appliance is usually made of iron, while the bearing part is made of nylon, so that when the twist-lock lifting appliance moves in the horizontal direction during operation, the bearing part and the connecting rod are mutually flexibly matched, and hard abrasion cannot occur;
(3) the surface of the bearing part is provided with the groove, and two inner side surfaces of the groove have a certain included angle compared with a plumb line, so that the bearing part can be better in running-in with the connecting rod, and the phenomenon of separation or blocking caused by abrasion between the bearing part and the connecting rod is avoided;
(4) the utility model is also provided with a reinforcing rib, and two right-angle sides of the reinforcing rib are respectively and fixedly connected with one side inside the hanger body and the supporting part, thereby playing the role of further supporting and fixing the supporting part.
Drawings
FIG. 1 is a right side view of the load bearing assembly of the present invention;
FIG. 2 is a top plan view of the load bearing assembly of the present invention;
FIG. 3 is an elevational view of the load bearing assembly of the present invention;
figure 4 is a perspective view of the load bearing assembly of the present invention;
fig. 5 is a perspective view of the spreader twist-lock apparatus of the present invention;
FIG. 6 is an enlarged view of the portion A of the present invention.
In the figure, 1, a hanger body; 2. a connecting rod; 3. a load bearing assembly; 31. a supporting member; 311. a groove; 32. a support member; 321. a support portion; 322. a fixed part; 33. reinforcing ribs; 4. locking the oil cylinder in a rotating way; 5. connecting holes; 6. a screw; 7. a first nut; 8. screwing; 81. a lock shaft is screwed; 82. a box pin is inserted; 811. a positioning sleeve; 812. a rotating pad; 813. rotating the lug; 814. a second nut.
Detailed Description
As shown in fig. 1, a lifting appliance twist-lock device comprises a lifting appliance body 1, wherein a sensor, a connecting rod 2, a bearing component 3 and a twist-lock cylinder 4 are arranged in the lifting appliance body 1. The bearing component 3 comprises a bearing part 31 and a supporting part 32 connected with the bearing part 31, one end of the supporting part 32 far away from the bearing part 31 is fixedly connected to one side inside the lifting appliance body 1, and the other end of the bearing part 31 far away from the supporting part 32 bears the connecting rod 2. In the present embodiment, as shown in fig. 3, the supporting member 31 has a length, width and height dimension of 50MM × 100MM × 30MM, the supporting member 32 has a length, width and height dimension of 50MM × 100MM × 50MM, and the supporting member 32 is formed of a steel plate having a thickness of 5 MM.
Further, the supporting member 32 includes a supporting portion 321 and a fixing portion 322 connected to the supporting portion 321, in this embodiment, the supporting portion 321 is perpendicular to the fixing portion 322, the fixing portion 322 is fixedly connected to one side of the interior of the hanger body 1, and the supporting portion 321 supports the supporting member 32.
Further, the connection manner of the fixing portion 322 and the inner side of the hanger body 1 includes, but is not limited to, riveting, welding or integral molding. In this embodiment, the connection between the fixing portion 322 and the inner side of the hanger body 1 is oxygen welding.
Furthermore, the supporting member 31 and the supporting member 32 are provided with at least four connecting holes 5 and screws 6, and the screws 6 pass through the connecting holes 5 of the supporting member 31 and the supporting member 32 and are connected with the first nuts 7. In order to make the surface of the supporting member 31 smooth and flush and avoid friction with the connecting rod 2, the supporting member 31 and the supporting member 32 are fixed by using a countersunk head screw with a diameter of 6MM in this embodiment.
Furthermore, the supporting element 31 is provided with a recess 311, the recess 311 being adapted to the connecting rod 2 to better receive and secure the connecting rod 2.
Furthermore, two inner side surfaces of the groove 311 have an included angle of 10 ° to 30 ° compared with the perpendicular line, the included angle is 10 ° in this embodiment, and the arrangement of the included angle can prevent the bearing member 31 and the connecting rod 2 from being separated or jammed due to abrasion.
Further, bearing member 31 is the nylon material, and when the horizontal direction removed in the operation of hoist body 1, bearing member 31 and connecting rod 2 soft cooperation each other can not appear hard wearing and tearing.
Further, the bearing component 3 further comprises a reinforcing rib 33 with an equilateral right-angled triangle vertical section, and two right-angled sides of the reinforcing rib 33 are respectively fixedly connected with the supporting part 32 and one side of the interior of the hanger body 1, so as to further support and fix the supporting part 32. In the present embodiment, the reinforcing rib 33 is a reinforcing plate.
Further, one end of the spin-lock oil cylinder 4 is installed on the hanger body 1, and the other end is installed on the connecting rod 2. The both ends of connecting rod 2 are provided with twist lock 8, twist lock 8 is including twist lock axle 81 and the case round pin 82, by supreme position sleeve 811, rotatory pad 812, rotatory ear 813 and the second nut 814 of being equipped with in proper order down in the twist lock axle 81, connecting rod 2 rotates with rotatory ear 813 to be connected, when the hoist is in the case position, the case round pin 82 is being jacked up, the case round pin 82 contacts with the sensor, the sensor sends the shutting control signal to central controller, the controller drives connecting rod 2 through twist lock hydro-cylinder 4 and drives rotatory ear 813 and rotate, make twist lock axle 81 rotatory to the shutting state, the hoist can carry out the heavy operation this moment. When the container is lifted to an expected position, the lifting appliance is pressed on the container, the box pin 82 is jacked up, the box pin 82 is contacted with the sensor, the sensor sends an unlocking control signal to the controller, the controller drives the connecting rod 2 through the spin-lock oil cylinder 4 to drive the rotating lug 813 to rotate, so that the spin-lock shaft 81 rotates to an unlocking state, and at the moment, the lifting appliance can carry out the operation of removing the container.
Further, the rotation lug 813 rotates synchronously with the rotation lock shaft 81 through flat key coupling, so that the rotation lock cylinder 4 effectively drives the rotation lug 813 and the rotation lock shaft 81 to rotate.
It will be apparent to those skilled in the art that various other changes and modifications may be made in the above-described embodiments and concepts and all such changes and modifications are intended to be within the scope of the appended claims.
Claims (8)
1. The utility model provides a hoist twistlock device, its characterized in that, includes hoist body (1), be provided with connecting rod (2) and bearing subassembly (3) in hoist body (1), bearing subassembly (3) are including bearing part (31) and supporting component (32) that are connected with bearing part (31), supporting component (32) are kept away from the one end fixed connection of bearing part (31) is in one side of hoist body (1) inside, bearing part (31) are kept away from the other end bearing of supporting component (32) connecting rod (2).
2. The device of claim 1, wherein the support member (32) comprises a support portion (321) and a fixing portion (322) connected to the support portion (321), the fixing portion (322) is fixedly connected to one side of the interior of the spreader body (1), and the support portion (321) supports the supporting member (31).
3. The device of claim 2, wherein the fixing portion (322) is connected to the inner side of the hanger body (1) by riveting, welding or integral molding.
4. A spreader twistlock device according to claim 1, characterized in that said supporting element (31) and said supporting element (32) are provided with attachment holes (5) and screws (6), the screws (6) passing through the attachment holes (5) of the supporting element (31) and the supporting element (32) and being attached to the first nuts (7).
5. A spreader twistlock device according to claim 1, characterized in that said supporting element (31) is provided with a recess (311), said recess (311) being adapted to said connecting rod (2).
6. A spreader twistlock device according to claim 5, wherein said grooves (311) have an angle between the inner sides and the vertical, said angle being comprised between 10 ° and 30 °.
7. A spreader twistlock device according to claim 1, characterized in that said supporting element (31) is made of nylon.
8. The lifting appliance twist-lock device according to claim 1, characterized in that the load-bearing assembly (3) further comprises a reinforcing rib (33) having an equilateral right-angled triangle vertical section, and two right-angled sides of the reinforcing rib (33) are respectively fixedly connected with one side of the interior of the lifting appliance body (1) and the supporting member (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122245505.2U CN215626128U (en) | 2021-09-16 | 2021-09-16 | Lifting appliance rotary locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122245505.2U CN215626128U (en) | 2021-09-16 | 2021-09-16 | Lifting appliance rotary locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215626128U true CN215626128U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122245505.2U Active CN215626128U (en) | 2021-09-16 | 2021-09-16 | Lifting appliance rotary locking device |
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| CN (1) | CN215626128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231426A (en) * | 2022-08-18 | 2022-10-25 | 中车资阳机车有限公司 | Independent twist lock device of container spreader |
-
2021
- 2021-09-16 CN CN202122245505.2U patent/CN215626128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231426A (en) * | 2022-08-18 | 2022-10-25 | 中车资阳机车有限公司 | Independent twist lock device of container spreader |
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