CN214167098U

CN214167098U - Special chain rigging of hoist

Info

Publication number: CN214167098U
Application number: CN202023321311.8U
Authority: CN
Inventors: 吕维洲; 王洪涛; 高华英
Original assignee: Shanghai Lianfeng Mechanical Equipment Co ltd
Current assignee: Shanghai Lianfeng Mechanical Equipment Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-10
Anticipated expiration: 2030-12-31

Abstract

The utility model belongs to the field of crane equipment, in particular to a special chain rigging for a crane, which comprises a box body and a crane chain body, wherein a lifting hook is fixed on the outer bottom wall of the box body, a rectangular lifting hole and a limiting hole are respectively arranged on two sides of the top wall of the box body, a vertical lifting column is movably sleeved in the lifting hole, a horizontal round connecting column is fixedly connected with the outer ring of the lifting column positioned on the upper side of the box body, a bottom chain ring of the crane chain body is movably sleeved on the outer ring of the connecting column, one end of the connecting column far away from the lifting column is fixedly connected with a vertical limiting column, the bottom clearance fit of the limiting column is arranged in the limiting hole, the middle position of the inner bottom wall of the box body is rotatably connected with a vertical threaded column through a bearing, the utility model has novel design, is convenient to separate from the crane chain, is convenient to maintain, has higher practicability, and can prevent the crane chain rigging from separating from the crane chain in the hoisting process, the safety coefficient is higher, is worth promoting.

Description

Special chain rigging of hoist

Technical Field

The utility model relates to a hoist equipment technical field especially relates to a special chain rigging of hoist.

Background

A crane chain rigging refers to a device used to connect a crane chain. However, the operation required for separating the existing crane chain rigging from the crane chain is complex, inconvenience is brought to the maintenance of the crane chain rigging, and the practicability is lacked, so that the special chain rigging for the crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special chain rigging of hoist has solved current hoist chain rigging and hoist chain and has separated required operation complicacy, and the maintenance of giving hoist chain rigging brings inconvenience, lacks the problem of practicality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a special chain rigging for a crane comprises a box body and a crane chain body, wherein a lifting hook is fixed on the outer bottom wall of the box body, rectangular lifting holes and limiting holes are respectively formed in two sides of the top wall of the box body, a vertical lifting column is sleeved in the lifting holes, a horizontal circular connecting column is fixedly connected to the outer ring of the lifting column and positioned on the upper side of the box body, a bottom chain ring of the crane chain body is movably sleeved on the outer ring of the connecting column, a vertical limiting column is fixedly connected to one end, far away from the lifting column, of the connecting column, the bottom of the limiting column is in clearance fit with the inside of the limiting hole, a vertical threaded column is rotatably connected to the middle position of the inner bottom wall of the box body through a bearing, the bottom of the lifting column extends to the inside of the box body and is fixedly connected with a horizontal transmission plate, and the transmission plate is in threaded sleeve joint with the outer ring of the threaded column, the outer ring of the threaded column is fixedly sleeved with a second bevel gear, the outer ring of the threaded column is positioned on the lower side of the transmission plate, a horizontal transmission rod is rotatably connected to the side wall of the box body through a bearing, the transmission rod extends to a first bevel gear fixedly connected to the inner end of the box body, and the second bevel gear is meshed with the first bevel gear.

Preferably, an operation block is welded at one end, extending out of the box body, of the transmission rod, and anti-skid grains are arranged on the outer ring of the operation block.

Preferably, the top end of the threaded column is rotatably connected with the inner top wall of the box body through a bearing.

Preferably, the sliding grooves are formed in the inner side walls of the two sides of the box body in the height direction, sliding blocks are arranged in the sliding grooves in a sliding mode, and the transmission plate is fixed between the two sliding blocks.

Preferably, the size of the limiting hole is matched with the size of the outer ring of the limiting column.

The utility model has the advantages that:

1. through the cooperation of box, transfer line, operation piece, spacing post, spliced pole, lift post, driving plate, first bevel gear, screw thread post, second bevel gear, lift hole and spacing hole, can effectually simplify the required operation of hoist chain rigging and hoist chain separation for the hoist chain rigging is convenient for maintain, the effectual practicality that has promoted hoist chain rigging.

2. Through the cooperation of box, screw post, driving plate, lift hole, spacing hole, lift post, spliced pole and spacing post, can effectually prevent that hoist chain rigging from breaking away from the hoist chain at the in-process of hoist and mount, factor of safety is higher.

The utility model relates to a novelty, be convenient for and the separation of hoist chain, the maintenance of being convenient for, the practicality is higher, can prevent that hoist chain rigging from breaking away from the hoist chain at the in-process of hoist and mount, and factor of safety is higher, is worth promoting.

Drawings

Fig. 1 is a schematic structural view of a chain rigging special for a crane according to the present invention;

fig. 2 is a cross-sectional view of a chain rigging special for a crane according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 2;

fig. 5 is an enlarged view of a specific connection mode of the connecting column and the crane chain body in fig. 2.

Reference numbers in the figures: 1. a box body; 2. a hook; 3. a transmission rod; 4. an operation block; 5. a limiting column; 6. connecting columns; 7. a crane chain body; 8. a lifting column; 9. a drive plate; 10. a first bevel gear; 11. a threaded post; 12. a second bevel gear; 13. a lifting hole; 14. and a limiting 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.

Referring to fig. 1-4, a special chain rigging for a crane, comprising a box body 1 and a crane chain body 7, wherein a hook 2 is fixed on the outer bottom wall of the box body 1, rectangular lifting holes 13 and limiting holes 14 are respectively formed on both sides of the top wall of the box body 1, a vertical lifting column 8 is movably sleeved in the lifting holes 13, a horizontal circular connecting column 6 is fixedly connected to the outer ring of the lifting column 8 positioned on the upper side of the box body 1, a bottom chain ring of the crane chain body 7 is movably sleeved on the outer ring of the connecting column 6, a vertical limiting column 5 is fixedly connected to one end of the connecting column 6 far away from the lifting column 8, the bottom of the limiting column 5 is in clearance fit in the limiting holes 14, a vertical threaded column 11 is rotatably connected to the middle position of the inner bottom wall of the box body 1 through a bearing, the bottom end of the lifting column 8 extends to the inside of the box body 1 and is fixedly connected with a horizontal transmission plate 9, the transmission plate 9 is sleeved on the outer ring of the threaded column 11 in a threaded manner, the outer ring of the threaded column 11 positioned on the lower side of the transmission plate 9 is fixedly sleeved with a second bevel gear 12, the side wall of the box body 1 positioned on the lower side of the second bevel gear 12 is rotatably connected with a horizontal transmission rod 3 through a bearing, the transmission rod 3 extends to a first bevel gear 10 fixedly connected with one end inside the box body 1, and the second bevel gear 12 is meshed with the first bevel gear 10.

One end of the transmission rod 3, which extends out of the box body 1, is welded with an operation block 4, and the outer ring of the operation block 4 is provided with anti-skid grains, so that the transmission rod 3 is convenient to rotate.

The top end of the threaded column 11 is rotatably connected with the inner top wall of the box body 1 through a bearing, so that the stability of the threaded column 11 is high.

The spout has all been seted up along the direction of height on the both sides inside wall of box 1, and the inside slip of spout is provided with the slider, and driving plate 9 is fixed between two sliders for driving plate 9 can go up and down steadily.

The size of the limiting hole 14 is matched with the size of the outer ring of the limiting column 5, so that the stability of the limiting column 5 is high.

Example (b): the bottom end chain ring of the crane chain body 7 is sleeved on the outer ring of the connecting column 6, and the bottom end chain ring of the crane chain body 7 can be effectively prevented from being separated from the connecting column 6 through the limiting action of the lifting column 8 and the limiting column 5, so that the crane chain rigging is effectively prevented from being separated from the crane chain in the hoisting process; when the crane chain rigging needs to be separated from the crane chain, the operation block 4 is rotated to drive the transmission rod 3 to rotate, the first bevel gear 10 can be driven to rotate, and through the transmission of the first bevel gear 10 and the second bevel gear 12, can drive the threaded post 11 to rotate, can drive the transmission plate 9 to ascend through the screw transmission of the threaded post 11 and the transmission plate 9, the lifting column 8 can be driven to ascend along the lifting hole 13, the connecting column 6 can be driven to ascend, the limiting column 5 can be driven to ascend along the limiting hole 14, the limiting column 5 is lifted to the upper part of the box body 1, then the bottom end chain ring of the crane chain body 7 is shifted along the outer ring of the connecting column 6 and the outer ring of the limiting column 5 until the bottom end chain ring of the crane chain body 7 is taken down from the bottom end of the limiting column 5, the separation of the crane chain rigging from the crane chain can be completed, and the operation required for separating the crane chain rigging from the crane chain is simple.

The operation required for separating the crane chain rigging from the crane chain can be effectively simplified, so that the crane chain rigging is convenient to maintain, and the practicability of the crane chain rigging is effectively improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a special chain rigging of hoist, includes box (1) and hoist chain body (7), its characterized in that, be fixed with lifting hook (2) on the outer diapire of box (1), the lift hole (13) and spacing hole (14) of rectangle are seted up respectively to the both sides of the roof of box (1), the inside movable sleeve of lift hole (13) is equipped with vertically lift post (8), is located box (1) upside the outer lane fixed connection of lift post (8) is equipped with horizontally circular shape spliced pole (6), the bottom chain ring movable sleeve of hoist chain body (7) is located the outer lane of spliced pole (6), the one end fixedly connected with vertically spacing post (5) of lift post (8) are kept away from in spliced pole (6), the bottom clearance fit of spacing post (5) is in the inside of spacing hole (14), the intermediate position of the inner diapire of box (1) is connected with vertically screw post (11) through bearing rotation ) The bottom of lift post (8) extends to inside and fixed connection of box (1) has horizontally drive plate (9), drive plate (9) screw thread cup joints the outer lane of screw thread post (11), is located drive plate (9) downside the fixed cover of outer lane of screw thread post (11) has connect second bevel gear (12), is located second bevel gear (12) downside be connected with horizontally transfer line (3) through bearing rotation on the lateral wall of box (1), transfer line (3) extend to the inside one end fixedly connected with first bevel gear (10) of box (1), second bevel gear (12) and first bevel gear (10) meshing connection.

2. The special chain rigging of the crane according to claim 1, wherein an operation block (4) is welded to one end of the transmission rod (3) extending out of the box body (1), and an outer ring of the operation block (4) is provided with anti-skid threads.

3. A special chain rigging for a crane according to claim 1, wherein the top end of the threaded post (11) is rotatably connected to the inner top wall of the box body (1) by a bearing.

4. The special chain rigging of the crane according to claim 1, wherein sliding grooves are formed in the inner side walls of the two sides of the box body (1) in the height direction, sliding blocks are slidably arranged in the sliding grooves, and the transmission plate (9) is fixed between the two sliding blocks.

5. A special chain rigging for a crane according to claim 1, wherein the size of the limiting hole (14) is adapted to the size of the outer ring of the limiting column (5).