CN217148502U

CN217148502U - Lifting rod assembly for lifter

Info

Publication number: CN217148502U
Application number: CN202220912273.3U
Authority: CN
Inventors: 卓立兵
Original assignee: Taizhou Meike Machinery Co ltd
Current assignee: Taizhou Meike Machinery Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-09
Anticipated expiration: 2032-04-20

Abstract

A lifting rod assembly for a lifter comprises a main rod with adjustable length, a fisheye bearing connected to the lower end of the main rod, an anti-drop nut arranged on the fisheye bearing, and a U-shaped fork connected to the upper end of the main rod through a bolt, wherein a rotating piece used for offsetting torque force generated by collision is arranged between the U-shaped fork and the bolt; through set up flat bearing between bolt and U type fork, offset the torsion that receives because of the accident in the lifter bar subassembly use, avoid the connection of bolt to take place not hard up, in addition, the length of main part pole is the adjustable for satisfy different in-service use scenes, the commonality is good.

Description

Lifting rod assembly for lifter

Technical Field

The utility model relates to a lifter bar subassembly for hoist.

Background

The lifting machine is mechanical equipment for lifting materials, the lifting rod is an important component in the lifting machine, one end of the lifting rod is used for being connected with traction equipment, and the other end of the lifting rod is used for being connected with a material hopper; fig. 9 is a conventional lifting rod assembly, which includes a main rod, a fisheye bearing connected to a lower end of the main rod, and a U-shaped fork connected to an upper end of the main rod, wherein the fisheye bearing is screwed to the main rod through a thread and is configured with an anti-drop nut, and the U-shaped fork is locked to the main rod through a bolt and a locking block 11; certain torsion is easy to occur due to collision in the actual use process of the lifting rod assembly, the lower end of the lifting rod assembly can better counteract the effect of the torsion due to the arranged fisheye bearing, and frequent torsion can lead to the bolt loosening in advance at the upper end of the lifting rod assembly, so that safety accidents are easy to cause; in addition, the length of the existing lifting rod assembly is not adjustable, and the practical universality is poor.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a lifting rod subassembly for hoist.

In order to achieve the above object, on the one hand, the utility model provides a lifting rod assembly for hoist, be in including main part pole, connection fisheye bearing, the configuration of main part pole lower extreme are in anticreep nut on the fisheye bearing, through bolted connection the U type fork of main part pole upper end, U type fork with it is used for offsetting the torsion that the striking produced to dispose the rotation piece between the bolt.

As a further development of the solution, the rotary member may be a flat bearing.

As a further improvement of the scheme, the fisheye bearing is connected with the main body rod in a threaded screwing mode, and glue is coated on external threads on the surface of the fisheye bearing before the fisheye bearing is screwed in.

As a further improvement of the scheme, the bolt is connected with the main body rod in a threaded screwing mode, and glue is coated on external threads on the surface of the bolt before the bolt is screwed in.

As a further improvement of the scheme, the section of the main body rod is a regular hexagon, and the length of the main body rod is adjustable.

As the further improvement of scheme, the main part pole divide into the body of rod, the body of rod down, the body of rod has down and stretches into go up the flexible section in the regulation chamber of the body of rod, the equidistant processing has a plurality of annular along length direction in flexible section, it is in to go up the body of rod the bottom in regulation chamber is equipped with the locking subassembly.

As a further improvement, the locking component is a set screw, and the two set screws are distributed on two opposite sides of the adjusting cavity.

As the further improvement of scheme, the locking subassembly includes the locking frame that links firmly mutually, presses the depression bar and is used for the spring that resets, the middle part processing through-hole of locking frame supplies the flexible section to pass through.

As a further improvement of the scheme, the section of the main body rod is circular, correspondingly, the sections of the adjusting cavity and the telescopic section are also circular, and a guide piece is arranged between the adjusting cavity and the telescopic section to limit the relative rotation of the adjusting cavity and the telescopic section.

On the other hand, the utility model provides a lifting rod subassembly for hoist, be in including main part pole, connection fisheye bearing, the configuration of main part pole lower extreme are in anticreep nut on the fisheye bearing, through bolted connection the U type fork of main part pole upper end, the main part pole divide into the body of rod, the body of rod down, the body of rod has down stretches into the flexible section of the regulation chamber of the body of rod, flexible section has a plurality of annulars along equidistant processing on length direction, the body of rod is in the bottom of adjusting the chamber is equipped with the locking subassembly, the locking subassembly is including the locking frame that links firmly mutually, press the depression bar and be used for the spring that resets, the middle part processing through-hole of locking frame supplies flexible section passes through.

The utility model discloses beneficial effect for prior art does: through set up flat bearing between bolt and U type fork, offset the torsion that receives because of the accident in the lifter bar subassembly use, avoid the connection of bolt to take place not hard up, simultaneously, flat bearing plays the effect that reduces wearing and tearing, and in addition, the length of main part pole is the adjustable for satisfy different in-service use scenes, the commonality is good.

Drawings

Fig. 1 is a schematic view of a lifter bar assembly for a hoist according to the present invention;

FIG. 2 is an enlarged view of position A of FIG. 1;

fig. 3 is a schematic view of a lifter bar assembly for a hoist according to the present invention;

FIG. 4 is an enlarged view of position B of FIG. 3;

fig. 5 is a schematic view of a lifter bar assembly for a hoist according to the present invention;

FIG. 6 is an enlarged view of position C of FIG. 5;

FIG. 7 is a cross-sectional view taken at position D-D of FIG. 6 (locked state);

FIG. 8 is a schematic view of the pressing lever of FIG. 7 after being pressed (released state);

FIG. 9 is a schematic view of a prior art lifter bar assembly;

fig. 10 is an enlarged view of the position E in fig. 9.

In the figure: 1. a U-shaped fork; 2. a bolt; 3. a rotating member; 4. a main body lever; 41. a rod body is arranged; 411. an adjustment chamber; 42. a lower rod body; 421. a telescopic section; 4211. a ring groove; 5. an anti-drop nut; 6. a fisheye bearing; 7. a set screw; 8. a spring; 9. a locking frame; 10. a pressing lever; 11. and a locking block.

Detailed Description

Example 1: as shown in fig. 1 to 4, a lifter bar assembly for a lifter according to an embodiment of the present invention includes a main body bar 4, a fisheye bearing 6 connected to a lower end of the main body bar 4, an anti-drop nut 5 disposed on the fisheye bearing 6, and a U-shaped fork 1 connected to an upper end of the main body bar 4 through a bolt 2, wherein a rotating member 3 is disposed between the U-shaped fork 1 and the bolt 2 for offsetting a torsion force generated by an impact; the rotating part 3 can be a plane bearing which can well counteract the action of external force through rotation; the fisheye bearing 6 is connected with the main body rod 4 in a threaded screwing mode, glue is coated on the external threads on the surface of the fisheye bearing 6 before the fisheye bearing is screwed in, and the glue can play a role in preventing looseness after being solidified; the bolt 2 is connected with the main body rod 4 in a threaded screwing mode, glue is coated on external threads on the surface of the bolt 2 before screwing in, and the bolt can play a role in preventing looseness after the glue is solidified; the section of the main body rod 4 is a regular hexagon, the length of the main body rod 4 is adjustable, and the length is adjustable, so that the main body rod is suitable for different practical scenes; specifically, the main body rod 4 is divided into an upper rod body 41 and a lower rod body 42, the lower rod body 42 is provided with a telescopic section 421 extending into the adjusting cavity 411 of the upper rod body 41, the telescopic section 421 is provided with a plurality of annular grooves 4211 at equal intervals along the length direction, and the upper rod body 41 is provided with a locking assembly at the bottom of the adjusting cavity 411; the locking subassembly is holding screw 7, and holding screw 7 has two, and two holding screw 7 are in the both sides offside distribution of adjusting chamber 411, and just the atress is even when playing the locking effect through two holding screws, and it is convenient to adjust.

Example 2: as shown in fig. 5 to 8, a lifter bar assembly for a lifter according to an embodiment of the present invention includes a main body bar 4, a fisheye bearing 6 connected to a lower end of the main body bar 4, an anti-drop nut 5 disposed on the fisheye bearing 6, and a U-shaped fork 1 connected to an upper end of the main body bar 4 through a bolt 2, wherein a rotating member 3 is disposed between the U-shaped fork 1 and the bolt 2 for offsetting a torsion force generated by an impact; the rotating part 3 can be a plane bearing which can well counteract the action of external force through rotation; the fisheye bearing 6 is connected with the main body rod 4 in a threaded screwing mode, glue is coated on the external threads on the surface of the fisheye bearing 6 before the fisheye bearing is screwed in, and the glue can play a role in preventing looseness after being solidified; the bolt 2 is connected with the main body rod 4 in a threaded screwing mode, glue is coated on external threads on the surface of the bolt 2 before screwing in, and the bolt can play a role in preventing looseness after the glue is solidified; the length of the main body rod 4 is adjustable, and the main body rod is convenient to be suitable for different practical scenes; specifically, the main body rod 4 is divided into an upper rod body 41 and a lower rod body 42, the lower rod body 42 is provided with a telescopic section 421 extending into the adjusting cavity 411 of the upper rod body 41, the telescopic section 421 is provided with a plurality of annular grooves 4211 at equal intervals along the length direction, and the upper rod body 41 is provided with a locking assembly at the bottom of the adjusting cavity 411; the locking assembly comprises a locking frame 9, a pressing rod 10 and a spring 8 for resetting, which are fixedly connected with each other, and a through hole is processed in the middle of the locking frame 9 for the telescopic section 421 to pass through; in addition, the main rod 4 has a circular cross section, and accordingly, the adjusting cavity 411 and the telescopic section 421 also have circular cross sections, and a guide is provided between the adjusting cavity 411 and the telescopic section 421 to limit the relative rotation of the two.

Example 3: as shown in fig. 5 to 8, a lifter bar assembly for a hoist according to an embodiment of the present invention includes a main bar 4, a fisheye bearing 6 connected to a lower end of the main bar 4, an anti-slip nut 5 disposed on the fisheye bearing 6, and a U-shaped fork 1 connected to an upper end of the main bar 4 by a bolt 2, wherein the main bar 4 is divided into an upper bar body 41, lower body of rod 42, lower body of rod 42 has the flexible section 421 that stretches into the regulation chamber 411 of the last body of rod 41, equidistant processing has a plurality of annular 4211 on the flexible section 421 edge length direction, it is equipped with the locking subassembly to go up body of rod 41 in the bottom of adjusting chamber 411, the locking subassembly is including the locking frame 9 that links firmly mutually, press the depression bar 10 and be used for the spring 8 that resets, the middle part processing through-hole of locking frame 9 supplies flexible section 421 to pass through, for easy to assemble, locking frame 9, press the depression bar 10 to adopt split type design, press the depression bar 10 can be in one side screw in of adjusting chamber 411 and connect soon with locking frame 9.

Through set up flat bearing between bolt and U type fork, offset the torsion that receives because of the accident in the lifter bar subassembly use, avoid the connection of bolt to take place not hard up, simultaneously, flat bearing plays the effect that reduces wearing and tearing, and in addition, the length of main part pole is the adjustable for satisfy different in-service use scenes, the commonality is good.

When in specific use, the utility model is described with the attached drawings for the convenience of understanding;

locking action of the locking frame: as shown in fig. 7, under the effect of spring, the locking frame stretches into in the annular for the locking frame plays the supporting role to the lower body of rod, when length needs to be adjusted, presses the interior motion of depression bar, makes the locking frame align with the position of the flexible section of the lower body of rod, refers to fig. 8, and the position of the body of rod under the suitable adjustment, after the position of another annular groove flushed with the locking frame, the spring makes according to the depression bar reset and has realized locking once more.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lifter bar subassembly for hoist, includes main part pole (4), connects fisheye bearing (6) of main part pole (4) lower extreme, configuration are in anticreep nut (5) on fisheye bearing (6), connect through bolt (2) U type fork (1) of main part pole (4) upper end, its characterized in that: a rotating piece (3) is arranged between the U-shaped fork (1) and the bolt (2) to offset torsion generated by collision.

2. A lifter bar assembly for a hoist according to claim 1, characterized in that: the rotating member (3) is a flat bearing.

3. A lifter bar assembly for a hoist according to claim 1, characterized in that: the fisheye bearing (6) is connected with the main body rod (4) in a threaded screwing mode, and glue is coated on external threads on the surface of the fisheye bearing (6) before the fisheye bearing is screwed in.

4. A lifter bar assembly for a hoist according to claim 1, characterized in that: the bolt (2) is connected with the main body rod (4) in a threaded screwing mode, and glue is coated on the external threads of the surface of the bolt (2) before the bolt is screwed in.

5. The lifter bar assembly according to any one of claims 1 to 4, wherein: the cross section of the main body rod (4) is a regular hexagon, and the length of the main body rod (4) is adjustable.

6. A lifter bar assembly for a hoist according to claim 1, characterized in that: body of rod (4) divide into the body of rod (41), the body of rod (42) down, the body of rod (42) has down and stretches into flexible section (421) of the regulation chamber (411) of the body of rod (41) go up, equidistant processing has a plurality of annuluses (4211) along length direction in flexible section (421), it is in to go up body of rod (41) the bottom of adjusting chamber (411) is equipped with the locking subassembly.

7. A lifter bar assembly for a hoist according to claim 6, wherein: the locking assembly is a set screw (7), the number of the set screws (7) is two, and the two set screws (7) are distributed on opposite sides of the two sides of the adjusting cavity (411).

8. A lifter bar assembly for a hoist according to claim 6, wherein: the locking assembly comprises a locking frame (9), a pressing rod (10) and a spring (8) for resetting, wherein the locking frame (9), the pressing rod and the spring are fixedly connected with each other, and a through hole is formed in the middle of the locking frame (9) for the telescopic section (421) to pass through.

9. A lifter bar assembly according to claim 7 or 8, wherein: the section of the main body rod (4) is circular, correspondingly, the sections of the adjusting cavity (411) and the telescopic section (421) are also circular, and a guide piece is arranged between the adjusting cavity (411) and the telescopic section (421) to limit the relative rotation of the adjusting cavity and the telescopic section.

10. The utility model provides a lifter bar subassembly for hoist, includes main part pole (4), connects fisheye bearing (6) of main part pole (4) lower extreme, configuration are in anticreep nut (5) on fisheye bearing (6), connect through bolt (2) U type fork (1) of main part pole (4) upper end, its characterized in that: body of rod (4) divide into the body of rod (41), the body of rod (42) down, body of rod (42) has down and stretches into go up flexible section (421) of regulation chamber (411) of the body of rod (41), equidistant processing has a plurality of annular (4211) along length direction in flexible section (421), it is in to go up body of rod (41) the bottom of adjusting chamber (411) is equipped with the locking subassembly, the locking subassembly is including locking frame (9) that links firmly mutually, press depression bar (10) and be used for spring (8) that reset, the middle part processing through-hole of locking frame (9) supplies flexible section (421) pass through.