CN219156266U

CN219156266U - Axle type work piece hoist and mount frock

Info

Publication number: CN219156266U
Application number: CN202223154094.7U
Authority: CN
Inventors: 雷帅; 张新平
Original assignee: Jingmen Hengli Flow Control Co ltd
Current assignee: Jingmen Hengli Flow Control Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-09
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a hoisting tool for shaft workpieces, and belongs to the technical field of tools. The lifting appliance comprises two clamping jaws and two connecting rods, wherein the middle parts of the two clamping jaws are hinged, the upper ends of the two connecting rods are hinged, the lower ends of the two connecting rods are respectively hinged with the upper ends of the two clamping jaws, the two clamping jaws form an X shape, and the upper parts of the two clamping jaws and the two connecting rods form a diamond four-connecting-rod structure; the upper ends of the two lifting slings are respectively connected with the lifting rings through two chains, the two lifting slings and the chains on the two lifting slings and the shaft workpiece form a triangle, the inner side of the lower end of the clamping jaw is rotationally provided with a clamping plate for clamping the shaft workpiece, the two clamping plates on the clamping jaw are oppositely arranged and respectively hug tightly at the two sides of the shaft workpiece, and the clamping plate is vertical to the shaft workpiece and is an inward open V-shaped plate, an arc-shaped plate or a trapezoid groove plate. By adopting the double-lifting-appliance structure, the two lifting appliances and the chains on the two lifting appliances and the shaft workpiece form a triangle, so that the lifting is more stable, and the falling possibility of the shaft workpiece is very low.

Description

Axle type work piece hoist and mount frock

Technical Field

The utility model belongs to the technical field of tools, and particularly relates to a shaft workpiece hoisting tool, wherein the hoisting weight can reach 100-200 kg.

Background

The valve generally comprises a valve body, a valve seat in the valve body, a valve plate in the valve body, a valve shaft which is rotatably arranged on the valve body and fixedly connected with the valve plate, and the like. For large-sized valves, the valve shaft is also heavier, and can reach more than 100 kg. Special tools are required for hoisting.

The patent with the application number of CN202220377747.9 discloses a lifting appliance for horizontally lifting a tubular part, which comprises a lifting plate, a connecting rod and a claw; the connecting rod is divided into a connecting rod I and a connecting rod II; the clamping jaw is divided into a clamping jaw I and a clamping jaw II; the width of the clamping jaw II is narrower than that of the clamping jaw I, so that the clamping jaw II is placed in the clamping jaw I, and the clamping jaw II and the clamping jaw I are hinged together through a pin shaft, so that an X-shaped structure is formed; the bottom end of the connecting rod I is hinged with the top end of the clamping jaw II through a pin shaft, the bottom end of the connecting rod II is hinged with the top end of the clamping jaw I through a pin shaft, and the top ends of the connecting rod I and the connecting rod II are hinged together through a pin shaft; the lifting plate is arranged at the top hinge point of the connecting rod I and the connecting rod II, and after the lifting plate is pulled upwards vertically, the connecting rod and the clamping jaw connected with the lifting plate shrink to the central line of the lifting appliance.

The patent with the application number of CN2015194560. X discloses a hoisting clamp for a transmission shaft of an engine dynamic test stand, the middle parts of a left clamp piece and a right clamp piece are hinged through a movable pin, the upper ends of the left clamp piece and the right clamp piece are respectively hinged with a lifting hook component through connecting rods, and one side of the lifting hook component is connected with a hook.

The patent with the application number of CN201410484353.3 discloses a hoisting device for binding steel bars, which comprises lifting lugs, a connecting pin shaft, a clamping mechanism and a clamping mechanism, wherein the clamping mechanism comprises an upper two connecting rods and a lower two clamping jaws, the upper ends of the upper two connecting rods are connected through the connecting pin shaft, the lower end of each connecting rod is respectively connected with one clamping jaw through the pin shaft, the middle parts of the two clamping jaws are connected through the pin shaft, and thus, a diamond connecting rod force transmission mechanism is formed between more than the middle parts of the two clamping jaws and the two connecting rods; the lifting mechanism comprises a flexible connecting piece and a hook, wherein the upper end of the flexible connecting piece is connected to the lower part of the lifting lug, and the lower end of the flexible connecting piece is connected with the hook; meanwhile, a lifting hole is formed in the upper portion of the lifting lug, a kidney-shaped hole is formed in the middle of the lifting lug, the connecting pin shaft is arranged in the kidney-shaped hole of the lifting lug, and the kidney-shaped hole can move up and down along the connecting pin shaft.

The shaft workpieces are hoisted by the single clamp, the risk that the shaft workpieces fall exists, the shaft workpieces fall down not only can injure operators and crush equipment, but also can damage the shaft workpieces, and further the precision of the shaft workpieces is affected.

Disclosure of Invention

In order to solve the problems, the embodiment of the utility model provides a shaft workpiece hoisting tool, which adopts a double-hoisting tool structure, two hoisting tools and chains on the two hoisting tools and the shaft workpiece form a stable triangle, the hoisting is more stable, and the possibility of falling off the shaft workpiece is very low. The technical scheme is as follows:

the embodiment of the utility model provides a shaft workpiece hoisting tool, which comprises two hoisting tools 1, hoisting rings 2 and two chains 3, wherein the hoisting tools 1 comprise two clamping jaws 4 and two connecting rods 5, the middle parts of the two clamping jaws 4 are hinged, the upper ends of the two connecting rods 5 are hinged and the lower ends of the two connecting rods are respectively hinged with the upper ends of the two clamping jaws 4, the two clamping jaws 4 form an X shape, and the upper parts of the two clamping jaws and the two connecting rods 5 form a diamond four-bar structure; the upper ends of two lifting appliances 1 are respectively connected with lifting rings 2 through two chains 3, the two lifting appliances 1 and the chains 3 thereon and shaft workpieces 6 form a triangle, the inner sides of the lower ends of clamping jaws 4 are rotationally provided with clamping plates 7 used for clamping the shaft workpieces 6, the two clamping plates 7 on the clamping jaws 4 are oppositely arranged and respectively hug tightly at two sides of the shaft workpieces 6, and the clamping plates 7 are perpendicular to the shaft workpieces 6 and are inwards open V-shaped plates, arc-shaped plates or trapezoid groove plates.

Specifically, in the embodiment of the utility model, the upper ends of the two connecting rods 5 are hinged through a first pin shaft 8, the lower ends of the connecting rods 5 are hinged with the upper ends of the corresponding clamping jaws 4 through a second pin shaft 9, the middle parts of the two clamping jaws 4 are hinged through a third pin shaft 10, the clamping jaws 4 and the connecting rods 5 are coplanar, the first pin shaft 8, the second pin shaft 9 and the third pin shaft 10 are parallel and are vertical to the clamping jaws 4, and the lower end of the chain 3 is connected with the first pin shaft 8.

Further, the upper side of the first pin shaft 8 in the embodiment of the utility model is provided with a first lifting lug 11 along the direction of the upper side, and the lower end of the chain 3 is connected with the first lifting lug 11.

Preferably, a second lifting lug 12 is arranged on the second pin shaft 9 in the embodiment of the utility model, and the second lifting lug 12 is connected with the lower end of the corresponding chain 3 through an anti-falling steel wire rope.

Further, the lower end of the clamping jaw 4 in the embodiment of the utility model is bent inwards to form a bending part 13, and the clamping plate 7 is rotatably arranged on the inner side of the bending part 13.

Specifically, the lower end of the jaw 4 in the embodiment of the present utility model is bent inward by 45 ° to form a bent portion 13.

The clamping plate 7 in the embodiment of the utility model is rotationally arranged on the bending part 13 through a rotating shaft 14; the rotating shaft 14 is perpendicular to the bending part 13, is arranged along the central line of the clamping plate 7, and the inner end of the rotating shaft is fixed at the middle part of the outer side of the clamping plate 7; the bending part 13 is provided with a shaft sleeve 15 matched with the rotating shaft 14; the rotating shaft 14 is rotatably arranged in the shaft sleeve 15, and the outer end of the rotating shaft penetrates out of the shaft sleeve 15 and is locked by the clamp spring 16.

Specifically, the clamping plate 7 in the embodiment of the utility model is an isosceles trapezoid groove plate, the inner side of the clamping plate is provided with a rubber pad 17, and the outer side of the top edge of the clamping plate is fixedly connected with the rotating shaft 14.

Specifically, the clamping jaw 4 and the connecting rod 5 in the embodiment of the utility model are both in a frame structure.

The hanging ring 2 in the embodiment of the utility model comprises an upper ring, a lower ring and connecting rods between the upper ring and the lower ring, wherein the connecting rods are vertically arranged, and the upper ends of the two chains 3 are connected with the lower ring.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides a shaft workpiece hoisting tool, which adopts a double-hoisting tool structure, wherein two hoisting tools and chains on the two hoisting tools and the shaft workpiece form a stable triangle, the hoisting is more stable, and the possibility of falling of the shaft workpiece is very low. In addition, the hoisting tool can horizontally hoist shaft workpieces and can realize gravity self-locking.

Drawings

Fig. 1 is a schematic structural diagram of a hoisting tool for shaft workpieces in an embodiment of the utility model;

FIG. 2 is a side view of a shaft-type workpiece hoisting tool in an embodiment of the utility model;

FIG. 3 is a bottom view of a shaft workpiece hoisting tool in an embodiment of the utility model;

FIG. 4 is a perspective view of a spreader in an embodiment of the present utility model;

FIG. 5 is a front view of a spreader in an embodiment of the present utility model;

fig. 6 is a side view of a spreader in an embodiment of the utility model.

In the figure: the lifting device comprises a lifting appliance 1, a lifting ring 2, a chain 3, a clamping jaw 4, a connecting rod 5, a shaft workpiece 6, a clamping plate 7, a first pin shaft 8, a second pin shaft 9, a third pin shaft 10, a first lifting lug 11, a second lifting lug 12, a bending part 13, a rotating shaft 14, a shaft sleeve 15, a clamping spring 16 and a rubber pad 17.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

Example 1

Referring to fig. 1-6, embodiment 1 provides a hoisting tool for shaft workpieces, which comprises two hoisting tools 1, hoisting rings 2, two chains 3 and the like. The lifting appliance 1 comprises two clamping jaws 4, two connecting rods 5, two clamping plates 7 and the like, wherein the clamping jaws 4 and the connecting rods 5 are of a frame structure. The middle parts of the two clamping jaws 4 are hinged through a third pin shaft 10, the upper ends of the two connecting rods 5 are hinged through a first pin shaft 8, and the lower ends of the connecting rods are respectively hinged with the upper ends of the two clamping jaws 4 through a second pin shaft 9. The two clamping jaws 4 form an X shape, and the upper parts of the clamping jaws and the two connecting rods 5 form a diamond four-connecting-rod structure. When the two clamping plates 7 clamp the shaft workpiece 6, the diamond-shaped four-bar linkage structure contracts (due to the weight of the shaft workpiece 6) and provides a force to move the clamping plates 7 inward to clamp the shaft workpiece 6. The upper ends of the two lifting slings 1 are respectively connected with the lifting rings 2 through two chains 3, and the lifting rings 2 are connected with other structures (such as a crane). The two lifting appliances 1 and the chains 3 on the two lifting appliances and the shaft workpiece 6 form a triangle. The inner side of the lower end of the clamping jaw 4 is rotatably provided with clamping plates 7 for clamping the shaft workpiece 6, and the two clamping plates 7 on the clamping jaw 4 are oppositely arranged and respectively hug tightly at two sides of the shaft workpiece 6. Wherein the clamping plate 7 is vertical to the shaft workpiece 6 and is a V-shaped plate, an arc-shaped plate or a trapezoid groove plate which is opened inwards, and the like. Specifically, the two chains 3 have the same length to allow the shaft-like work piece 6 to be horizontally hoisted.

Specifically, the clamping jaw 4 and the connecting rod 5 are coplanar, the first pin shaft 8, the second pin shaft 9 and the third pin shaft 10 are parallel and are perpendicular to the clamping jaw 4, and the lower end of the chain 3 is connected with the first pin shaft 8.

Further, referring to fig. 1 to 6, the upper side of the first pin 8 in the embodiment of the present utility model is provided with a first lifting lug 11 (a lifting hole is formed on the upper side and is perpendicular to the first pin 8), and the lower end of the chain 3 is connected to the first lifting lug 11.

Preferably, referring to fig. 1 to 6, a second lifting lug 12 (specifically, on the outer side) is arranged on the second pin shaft 9 in the embodiment of the present utility model, and the second lifting lug 12 is connected with the lower end of the corresponding chain 3 through a falling-preventing steel wire rope. This structure can prevent the shaft-like work piece 6 from falling down when the connecting rod 5 is abnormal (e.g., broken).

Further, referring to fig. 1-6, the lower end of the clamping jaw 4 in the embodiment of the present utility model is bent inwards by 45 ° to form a bending portion 13, and the clamping plate 7 is rotatably disposed at the inner side of the bending portion 13. The clamping jaw 4, the connecting rod 5 and the bending part 13 form an 8-shaped structure. The bending portion 13 is provided so as to facilitate the setting of the holding plate 7 and the rotation of the holding plate 7.

Referring to fig. 1-6, the clamping plate 7 in the embodiment of the present utility model is rotatably disposed on the bending portion 13 through a rotating shaft 14. The rotating shaft 14 is perpendicular to the bending part 13, is arranged along the central line of the clamping plate 7, and the inner end of the rotating shaft is fixed at the middle part of the outer side of the clamping plate 7. The bending part 13 is provided with a shaft sleeve 15 matched with the rotating shaft 14, and the direction of the shaft sleeve 15 is the same as the direction of the rotating shaft 14. The rotating shaft 14 is rotatably arranged in the shaft sleeve 15, and the outer end of the rotating shaft penetrates out of the shaft sleeve 15 and is locked by the clamp spring 16.

Specifically, the clamping plate 7 in the embodiment of the utility model is an isosceles trapezoid groove plate, the inner side of the clamping plate is provided with a rubber pad 17 (playing a role of buffering and clinging), and the outer side of the top edge (the side with the bottom edge being open) of the clamping plate is fixedly connected with the rotating shaft 14.

Referring to fig. 1-2, the lifting ring 2 in the embodiment of the present utility model includes an upper ring, a lower ring and a connecting rod therebetween, where the connecting rod is vertically disposed, and the upper ends of the two chains 3 are connected with the lower ring.

Example 2

Embodiment 2 provides a shaft workpiece hoisting tool, which comprises two hoisting tools 1, hoisting rings 2, two chains 3 and the like. The lifting appliance 1 comprises two clamping jaws 4, two connecting rods 5, two clamping plates 7 and the like, and the shaft workpiece 6 is arranged along the left-right direction. The two lifting devices 1, the chains 3 on the lifting devices and the shaft workpieces 6 form an isosceles triangle, the lifting devices 1 and the chains 3 on the lifting devices serve as one waist of the triangle, and the shaft workpieces 6 serve as bottom edges. The upper ends of the two connecting rods 5 are hinged through a first pin shaft 8 (when the shaft workpiece 6 is not hoisted), the connecting rods 5 at the front side are obliquely arranged from top to bottom, and the connecting rods 5 at the rear side are obliquely arranged from top to bottom; the middle parts of the two clamping jaws 4 are hinged through a left-right third pin shaft 10 (when the shaft workpiece 6 is not hoisted), the clamping jaw 4 at the front side is obliquely arranged from top to bottom and the lower end of the clamping jaw is obliquely arranged from top to bottom to form a bending part 13 (the clamping plate 7 is arranged at the rear side of the clamping jaw), the rear clamping jaw 4 is obliquely arranged from top to bottom and the lower end of the clamping jaw is obliquely arranged from top to bottom to form a bending part 13 (the clamping plate 7 is arranged at the front side of the clamping jaw). The two clamping plates 7 respectively clamp the front side and the rear side of the shaft workpiece 6.

The "first", "second" and "third" in this embodiment are only used for distinguishing, and have no other special meaning.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The shaft workpiece hoisting tool comprises a hoisting tool body (1), wherein the hoisting tool body (1) comprises two clamping jaws (4) and two connecting rods (5), the middle parts of the two clamping jaws (4) are hinged, the upper ends of the two connecting rods (5) are hinged, the lower ends of the two connecting rods are respectively hinged with the upper ends of the two clamping jaws (4), the two clamping jaws (4) form an X shape, and the upper parts of the two clamping jaws and the two connecting rods (5) form a diamond four-connecting-rod structure; the shaft workpiece hoisting tool is characterized by further comprising two hoisting rings (2) and two chains (3), wherein the number of the hoisting rings (1) is two, the upper ends of the two hoisting rings (1) are respectively connected with the hoisting rings (2) through the two chains (3), the two hoisting rings (1) and the chains (3) on the two hoisting rings form a triangle with the shaft workpiece (6), the inner side of the lower end of the clamping jaw (4) is rotationally provided with a clamping plate (7) used for clamping the shaft workpiece (6), the two clamping plates (7) on the clamping jaw (4) are oppositely arranged and respectively clamped on two sides of the shaft workpiece (6), and the clamping plate (7) is perpendicular to the shaft workpiece (6) and is an inward open V-shaped plate, an arc-shaped plate or a trapezoid groove plate.

2. The shaft workpiece hoisting tool according to claim 1, wherein the upper ends of the two connecting rods (5) are hinged through a first pin shaft (8), the lower ends of the connecting rods (5) are hinged with the upper ends of the corresponding clamping jaws (4) through a second pin shaft (9), the middle parts of the two clamping jaws (4) are hinged through a third pin shaft (10), the clamping jaws (4) and the connecting rods (5) are coplanar, the first pin shaft (8), the second pin shaft (9) and the third pin shaft (10) are parallel and are perpendicular to the clamping jaws (4), and the lower end of the chain (3) is connected with the first pin shaft (8).

3. The shaft workpiece hoisting tool according to claim 2, wherein a first lifting lug (11) is arranged on the upper side of the first pin shaft (8) along the direction of the upper side of the first pin shaft, and the lower end of the chain (3) is connected with the first lifting lug (11).

4. The shaft workpiece hoisting tool according to claim 2, wherein the second pin shaft (9) is provided with a second lifting lug (12), and the second lifting lug (12) is connected with the lower end of the corresponding chain (3) through an anti-falling steel wire rope.

5. The shaft workpiece hoisting tool according to claim 1, wherein the lower end of the clamping jaw (4) is inwards bent to form a bending part (13), and the clamping plate (7) is rotatably arranged on the inner side of the bending part (13).

6. The shaft workpiece hoisting tool according to claim 5, wherein the lower end of the clamping jaw (4) is inwards bent for 45 degrees to form a bending part (13).

7. The shaft workpiece hoisting tool according to claim 5, wherein the clamping plate (7) is rotatably arranged on the bending part (13) through a rotating shaft (14); the rotating shaft (14) is perpendicular to the bending part (13), is arranged along the central line of the clamping plate (7), and the inner end of the rotating shaft is fixed at the middle part of the outer side of the clamping plate (7); the bending part (13) is provided with a shaft sleeve (15) matched with the rotating shaft (14); the rotating shaft (14) is rotatably arranged in the shaft sleeve (15), and the outer end of the rotating shaft penetrates out of the shaft sleeve (15) and is locked through the clamp spring (16).

8. The shaft workpiece hoisting tool according to claim 7, wherein the clamping plate (7) is an isosceles trapezoid groove plate, a rubber pad (17) is arranged on the inner side of the clamping plate, and the outer side of the top edge of the clamping plate is fixedly connected with the rotating shaft (14).

9. The shaft workpiece hoisting tool according to claim 1, wherein the clamping jaw (4) and the connecting rod (5) are of a frame type structure.

10. The shaft workpiece hoisting tool according to claim 1, wherein the hoisting ring (2) comprises an upper circular ring, a lower circular ring and a connecting rod therebetween, the connecting rod is vertically arranged, and the upper ends of the two chains (3) are connected with the lower circular ring.