CN216303047U - Lifting chain with anti-disengaging structure - Google Patents
Lifting chain with anti-disengaging structure Download PDFInfo
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- CN216303047U CN216303047U CN202122840781.3U CN202122840781U CN216303047U CN 216303047 U CN216303047 U CN 216303047U CN 202122840781 U CN202122840781 U CN 202122840781U CN 216303047 U CN216303047 U CN 216303047U
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Abstract
The utility model discloses a lifting chain with an anti-drop structure, which comprises a connecting seat and a lifting chain, wherein the left side of the upper end of the connecting seat is fixedly connected with two fixing plates, the middle of the two fixing plates is rotatably connected with a connecting shaft, the lower end of the lifting chain is positioned between the two fixing plates, the connecting shaft penetrates through the lifting chain, the lower end of the connecting seat is fixedly connected with a lifting hook, the right side of the connecting seat is fixedly connected with a clamping plate, the right side of the upper end of the connecting seat is slidably connected with a connecting shell, the left side of the connecting shell is provided with a connecting port, the connecting shell is right opposite to the clamping plate, the middle of the connecting shell is sleeved with a connecting block, the middle of the connecting block is rotatably connected with a connecting disc, and the right side of the upper end of the connecting seat is fixedly connected with a connecting plate, when the heavy object rocks, connecting axle and fixed axle rotate, can avoid droing of connecting axle, guarantee the security of jack-up chain when the hoist and mount heavy object.
Description
Technical Field
The utility model relates to the field of lifting chains, in particular to a lifting chain with an anti-falling structure.
Background
The traditional heavy object carrying adopts hand shouldering, which has large physical strength consumption for workers and small weight of carried heavy objects. Along with the rapid development of engineering machinery, a crane can be adopted to carry heavy objects. The lifting chain is an essential part of the crane, and the length of the lifting chain can be adjusted to carry heavy objects to different heights. The lower part of the hoisting chain is generally rotatably connected with a connecting seat, the lower end of the connecting seat is provided with a hook, and a heavy object is hoisted by the hook. The connecting structure between the existing hoisting chain and the connecting seat is simple, and nuts are usually connected at two ends of the connecting shaft in a threaded manner, so that the connecting shaft is limited. But the heavy object can rock when transferring the heavy object, leads to the nut to connect not hard up, and long-time later jack-up chain and connecting seat can drop out, form the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a lifting chain with an anti-slip structure to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a jack-up chain with anti-disengaging structure, includes connecting seat and jack-up chain, two fixed plates of the upper end left side fixedly connected with of connecting seat, two rotate in the middle of the fixed plate and be connected with the connecting axle, jack-up chain lower extreme is located in the middle of two fixed plates, the connecting axle passes the jack-up chain, the lower extreme fixedly connected with jack-up couple of connecting seat, the right side fixedly connected with joint plate of connecting seat, connecting seat upper end right side sliding connection has the connection shell, the left side of connecting the shell is equipped with the connector, the connecting shell is just to the joint plate, the connecting block has been cup jointed in the middle of the connecting shell, the centre of connecting block is rotated and is connected with the connection pad, the upper end right side fixedly connected with connecting plate of connecting seat.
Preferably, the right end of the connecting shaft is located at the clamping plate, the left side of the connecting shaft is provided with a mounting hole at the side end of the fixing plate, a connecting through hole is formed in the middle of the fixing plate, the connecting through hole penetrates through the middle of the connecting shaft, and the left side of the connecting shaft is located in the mounting hole.
Preferably, a fixed shaft is fixedly connected to the left side of the connecting disc, the fixed shaft penetrates through the connecting block, and positioning plates are annularly arranged at the top end of the fixed shaft.
Preferably, both sides of the top end of the positioning plate are of inclined plane structures, the tail end of the connecting shaft is annularly provided with connecting grooves, the axis of the connecting shaft and the axis of the fixed shaft are on the same straight line, and the positioning plate is inserted into the connecting grooves.
Preferably, the clamping plate is of an L-shaped structure, the top end of the clamping plate is clamped at the connecting port, positioning grooves are formed in the top end of the connecting plate and the inner wall of the connecting port, the positioning grooves are of semicircular structures, and the diameters of the positioning grooves are the same as those of the fixing shaft.
Preferably, the connecting plate is opposite to the connecting shell, the middle of the connecting plate is in threaded connection with an extrusion rod, and the top end of the extrusion rod abuts against the side end of the connecting shell.
Compared with the prior art, the utility model has the beneficial effects that: place the jack-up chain between two fixed plates, the reuse connecting axle is connected, place joint board department with the connecting block, peg graft the spread groove with the locating plate in, make connecting axle and fixed axle connect into a whole, through rotatory extrusion stem, make the connecting shell extrude joint board department, carry out spacing fixed to the connecting block, when the heavy object rocks, connecting axle and fixed axle rotate, can avoid droing of connecting axle, guarantee the security of jack-up chain when the hoist-up heavy object, the while installation is simple and convenient, and the utility model has the practicality, and the promotion is convenient.
Drawings
FIG. 1 is a schematic connection diagram of a chain anti-dropping structure;
fig. 2 is a schematic view of a three-dimensional connection structure of the connection block.
In the figure: the device comprises a connecting base 1, a fixing plate 2, a connecting shaft 3, a connecting through hole 4, a mounting hole 5, a lifting chain 6, a connecting block 7, a connecting disc 8, a fixing shaft 9, a positioning plate 10, a connecting groove 11, a connecting shell 12, a connecting port 13, a clamping plate 14, a connecting plate 15 and a squeezing rod 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a jack-up chain with anti-disengaging structure, including connecting seat 1 and jack-up chain 6, two fixed plates 2 of the upper end left side fixedly connected with of connecting seat 1, two fixed plate 2 middle rotations are connected with connecting axle 3, 6 lower extremes of jack-up chain are located in the middle of two fixed plates 2, connecting axle 3 passes jack-up chain 6, the lower extreme fixedly connected with jack-up couple of connecting seat 1, the right side fixedly connected with joint plate 14 of connecting seat 1, 1 upper end right side sliding connection of connecting seat has connecting shell 12, the left side of connecting shell 12 is equipped with connector 13, connecting shell 12 is directly to joint plate 14, connecting block 7 has been cup jointed in the middle of connecting shell 12, the centre of connecting block 7 is rotated and is connected with connection pad 8, the upper end right side fixedly connected with connecting plate 15 of connecting seat 1.
The right end of the connecting shaft 3 is located at the clamping plate 14, the mounting hole 5 is formed in the side end of the left fixing plate 2, the connecting through hole 4 is formed in the middle of the right fixing plate 2, the connecting through hole 4 penetrates through the middle of the connecting shaft 3, the left side of the connecting shaft 3 is located in the mounting hole 5, the hoisting chain 6 is placed behind the two fixing plates 2, and then the connecting through hole 4 and the hoisting chain 6 penetrate through the top end of the connecting shaft 3 until the top end of the connecting shaft 3 is inserted into the mounting hole 5.
The left side of the connecting disc 8 is fixedly connected with a fixing shaft 9, the fixing shaft 9 penetrates through the connecting block 7, a positioning plate 10 is annularly arranged at the top end of the fixing shaft 9, the positioning plate 10 drives the fixing shaft 9 and the connecting disc 8 to rotate, when a hoisted heavy object rocks, the fixing shaft and the connecting disc 8 rotate, the connecting shaft 3 can be prevented from falling off, and the safety of the hoisting chain 6 when the heavy object is hoisted is guaranteed.
The top both sides of locating plate 10 are the inclined plane structure, make things convenient for locating plate 10 to peg graft in spread groove 11, and the tail end annular arrangement of connecting axle 3 has spread groove 11, and the axis of connecting axle 3 and the axis of fixed axle 9 are on same straight line, and locating plate 10 pegs graft in spread groove 11, connects into a whole with fixed axle 9 and connecting axle 3, drives fixed axle 3 and rotates together when connecting axle 3 rotates.
The joint board 14 is L shape structure, the top joint of joint board 14 is in connector 13 department, the top of connecting plate 15 and connector 13 inner wall department all are equipped with the constant head tank, the constant head tank is semi-circular structure, the diameter of constant head tank is the same with the diameter of fixed axle 9, when connecting shell 12 and joint board 14 are connected, the top joint of joint board 14 is in connector 13 department, the lateral wall of two constant head tanks supports and leans on the side at fixed axle 9, carry out spacing fixed with connecting block 7, avoid connecting axle 3 to drop.
The connecting plate 15 is opposite to the connecting shell 12, the middle of the connecting plate 15 is in threaded connection with the extrusion rod 16, the top end of the extrusion rod 16 abuts against the side end of the connecting shell 12, the extrusion rod 16 is rotated, and the extrusion rod 16 pushes the connecting shell 12 to move so as to connect the connecting shell 12 and the clamping plate 14 into a whole.
The working principle is as follows: after placing two fixed plates 2 with jack-up chain 6, pass connect through hole 4 and jack-up chain 6 on 3 tops of connecting axle again, insert mounting hole 5 up to 3 tops of connecting axle, place joint board 14 departments with connecting block 7, locating plate 10 pegs graft in spread groove 11, connect into a whole with fixed axle 9 and connecting axle 3, it rotates together to drive fixed axle 3 when connecting axle 3 rotates, rotatory extrusion stem 16, extrusion stem 16 promotes to connect shell 12 and removes, connect into a whole with connecting shell 12 and joint board 14, carry out spacing fixed with connecting block 7, carry out spacing fixed to connecting axle 3, avoid connecting axle 3 to drop.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a jack-up chain with anti-disengaging structure, includes connecting seat (1) and jack-up chain (6), its characterized in that: the left side of the upper end of the connecting seat (1) is fixedly connected with two fixed plates (2), the middle of the two fixed plates (2) is rotatably connected with a connecting shaft (3), the lower end of the hoisting chain (6) is positioned between the two fixing plates (2), the connecting shaft (3) passes through the hoisting chain (6), the lower end of the connecting seat (1) is fixedly connected with a hoisting hook, the right side of the connecting seat (1) is fixedly connected with a clamping plate (14), the right side of the upper end of the connecting seat (1) is connected with a connecting shell (12) in a sliding way, the left side of the connecting shell (12) is provided with a connecting port (13), the connecting shell (12) is right opposite to the clamping plate (14), the connecting block (7) is sleeved in the middle of the connecting shell (12), the middle of the connecting block (7) is rotatably connected with a connecting disc (8), and the right side of the upper end of the connecting seat (1) is fixedly connected with a connecting plate (15).
2. The hoisting chain with the anti-drop structure as claimed in claim 1, wherein: connecting axle (3) right-hand member is located joint board (14) department, and the left side fixed plate (2) side is equipped with mounting hole (5), and the right side be equipped with connect the via hole (4) in the middle of fixed plate (2), connect the via hole (4) are passed in the middle of connecting axle (3), the left side of connecting axle (3) is located mounting hole (5).
3. The hoisting chain with the anti-drop structure as claimed in claim 1, wherein: the left side fixedly connected with fixed axle (9) of connection pad (8), fixed axle (9) run through connecting block (7), the top end ring-type of fixed axle (9) is arranged and is had locating plate (10).
4. The hoisting chain with the anti-drop structure as claimed in claim 3, wherein: the top both sides of locating plate (10) are the inclined plane structure, the tail end annular arrangement of connecting axle (3) has spread groove (11), the axis of connecting axle (3) and the axis of fixed axle (9) are on same straight line, locating plate (10) are pegged graft in spread groove (11).
5. The hoisting chain with the anti-drop structure as claimed in claim 1, wherein: the clamping plate (14) is of an L-shaped structure, the top end of the clamping plate (14) is clamped at the connecting port (13), positioning grooves are formed in the top end of the connecting plate (15) and the inner wall of the connecting port (13) and are of a semicircular structure, and the diameters of the positioning grooves are the same as those of the fixing shaft (9).
6. The hoisting chain with the anti-drop structure as claimed in claim 1, wherein: the connecting plate (15) is opposite to the connecting shell (12), the middle of the connecting plate (15) is in threaded connection with an extrusion rod (16), and the top end of the extrusion rod (16) abuts against the side end of the connecting shell (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122840781.3U CN216303047U (en) | 2021-11-19 | 2021-11-19 | Lifting chain with anti-disengaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122840781.3U CN216303047U (en) | 2021-11-19 | 2021-11-19 | Lifting chain with anti-disengaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216303047U true CN216303047U (en) | 2022-04-15 |
Family
ID=81123379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122840781.3U Active CN216303047U (en) | 2021-11-19 | 2021-11-19 | Lifting chain with anti-disengaging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216303047U (en) |
-
2021
- 2021-11-19 CN CN202122840781.3U patent/CN216303047U/en active Active
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