CN211254986U

CN211254986U - Spindle clamp

Info

Publication number: CN211254986U
Application number: CN201921829525.0U
Authority: CN
Inventors: 柴正伍
Original assignee: Baoji Towin Rare Metals Co ltd
Current assignee: Baoji Towin Rare Metals Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-08-14
Anticipated expiration: 2029-10-28

Abstract

The utility model provides a spindle clamp, which comprises a fixed ring, a lifting rod and a clamping component, wherein the lifting rod is arranged on the fixed ring and is used for being connected with hoisting equipment; the clamping components are arranged at intervals along the circumferential direction of the fixing ring; the spindle hoisting device comprises a fixed ring, clamping components and hoisting equipment, wherein the fixed ring is used for being sleeved on a spindle to be hoisted, each clamping component is used for clamping the spindle, and the hoisting equipment is used for hoisting the spindle to a preset height or hoisting the spindle to a preset position through a hoisting rod and the fixed ring. Therefore, in the process of smelting the metal spindle, the spindle can be conveniently and quickly lifted out of the smelting furnace and hoisted to a corresponding position, the operation is simple, the spindle can be firmly fixed, and the spindle is prevented from slipping off. The problem of adopt the steel cable to bind metal spindle and hoist and mount and take place the landing easily among the prior art is solved.

Description

Spindle clamp

Technical Field

The utility model relates to a metal spindle manufacture equipment field particularly, relates to a spindle anchor clamps.

Background

At present, in the manufacturing process of the metal spindle, the spindle needs to be lifted out of a smelting furnace after the metal spindle is smelted, and the metal spindle is high in mass and difficult to lift out manually. At present, a spindle is bound by a steel rope and is lifted out of a smelting furnace by adopting a lifting device. The mode of binding the steel ropes is not only troublesome to operate, but also easy to cause spindle sliding in the hoisting process, thus causing safety accidents.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a spindle clamp to solve the problem of the prior art that the metal spindle is bound by the steel cable to be hoisted and dropped easily.

In order to achieve the above object, the utility model provides a spindle clamp, include: a stationary ring; the lifting rod is arranged on the fixing ring and is used for being connected with lifting equipment; the clamping components are arranged at intervals along the circumferential direction of the fixing ring; the spindle hoisting device comprises a fixed ring, clamping components and hoisting equipment, wherein the fixed ring is used for being sleeved on a spindle to be hoisted, each clamping component is used for clamping the spindle, and the hoisting equipment is used for hoisting the spindle to a preset height or hoisting the spindle to a preset position through a hoisting rod and the fixed ring.

Furthermore, screw holes are formed in the fixing ring, the screw holes extend along the radial direction of the fixing ring, the number of the screw holes is multiple, and the screw holes are arranged at intervals along the circumferential direction of the fixing ring; the clamping member includes: the clamping bolts are correspondingly and rotatably arranged in the screw holes; when the clamping bolts rotate around the first rotating direction under the action of external force, the clamping bolts move towards the spindle to clamp the spindle; when each clamping bolt rotates around the second rotating direction under the action of external force, each clamping bolt moves away from the spindle to loosen the spindle; the first and second rotational directions are two opposite rotational directions of the clamping bolt.

Further, the clamping member further includes: a plurality of rotating handles are arranged at the rear end parts of the clamping bolts correspondingly; the rotating handle is used for driving the clamping bolt to rotate under the action of external force.

Further, the clamping member further includes: the clamping plates are correspondingly arranged at the front end parts of the clamping bolts, and the front end parts of the clamping bolts are connected with the clamping plates through bearing parts; when each clamping bolt moves towards the spindle, each clamping plate abuts against the side wall of the spindle to clamp the spindle; when each clamping bolt moves away from the spindle, each clamping plate is separated from the side wall of the spindle to loosen the spindle.

Further, the surface of the clamping plate, which is used for being in contact with the side wall of the spindle, is an arc-shaped surface, and the arc-shaped surface is matched with the shape of the side wall of the spindle.

Further, the clamping member further includes: the first ends of the positioning slide bars are correspondingly connected with the clamping plates; the positioning slide rod is arranged on the fixing ring, and a plurality of first slide holes matched with the positioning slide rod are formed in the fixing ring at intervals along the circumferential direction of the fixing ring; the second ends of the positioning slide bars correspondingly penetrate through the first slide holes and extend to the outside of the fixed ring; the positioning slide bar is used for limiting the clamping plate to rotate along with the clamping bolt when the clamping bolt rotates around the first rotating direction or the second rotating direction.

Furthermore, each clamping plate is connected with two positioning slide bars, and the first ends of the two positioning slide bars on each clamping plate are correspondingly connected with the two ends of the clamping plate.

Furthermore, a plurality of second sliding holes are formed in the fixing ring, extend along the radial direction of the fixing ring and are arranged at intervals along the circumferential direction of the fixing ring; the clamping member includes: a plurality of clamping plungers which are correspondingly and slidably arranged in the second slide holes; the driving mechanisms are arranged correspondingly to the clamping plungers; wherein the driving mechanism is used for driving the clamping plunger to move in a direction close to or far away from the spindle so as to clamp or unclamp the spindle.

Further, the drive mechanism includes: the support frame is fixedly arranged on the outer side wall of the fixing ring and corresponds to the second sliding hole; the cam is rotatably arranged on the support frame through a rotating shaft; the cam is provided with a driving handle, and the driving handle is used for driving the cam to rotate; the first end of the clamping plunger extends to the inside of the fixing ring, the rim of the cam is abutted to the second end of the clamping plunger, and the driving handle drives the clamping plunger to move in the direction close to the spindle to clamp the spindle when driving the cam to rotate around the third rotating direction under the action of external force.

Further, the drive mechanism further includes: the return spring is sleeved on the clamping plunger; the second end of the clamping plunger is provided with a limiting flange, the first end of the return spring is abutted against the limiting flange, the second end of the return spring is abutted against the outer wall of the fixing ring, and the return spring is used for driving the clamping plunger to move in the direction away from the spindle to loosen the spindle when the cam rotates in the fourth rotating direction; the third rotational direction and the fourth rotational direction are two opposite rotational directions of the cam.

The spindle clamp applying the technical scheme of the utility model comprises a fixed ring, a lifting rod and a clamping component, wherein the lifting rod is arranged on the fixed ring and is used for being connected with hoisting equipment; the clamping components are arranged at intervals along the circumferential direction of the fixing ring; the spindle hoisting device comprises a fixed ring, clamping components and hoisting equipment, wherein the fixed ring is used for being sleeved on a spindle to be hoisted, each clamping component is used for clamping the spindle, and the hoisting equipment is used for hoisting the spindle to a preset height or hoisting the spindle to a preset position through a hoisting rod and the fixed ring. Therefore, in the process of smelting the metal spindle, the spindle can be conveniently and quickly lifted out of the smelting furnace and hoisted to a corresponding position, the operation is simple, the spindle can be firmly fixed, and the spindle is prevented from slipping off. The problem of adopt the steel cable to bind metal spindle and hoist and mount and take place the landing easily among the prior art is solved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic side view of an alternative spindle holder according to embodiment 1 of the present invention;

fig. 2 is a schematic top view of an alternative spindle holder according to embodiment 1 of the present invention;

fig. 3 is another schematic top view of an alternative spindle holder according to embodiment 1 of the present invention;

fig. 4 is a schematic top view of an alternative spindle holder according to embodiment 2 of the present invention;

fig. 5 is a schematic structural view of an alternative driving mechanism of a spindle clamp according to embodiment 2 of the present invention; and

fig. 6 is a schematic side view of an alternative spindle holder according to embodiment 2 of the present invention.

Wherein the figures include the following reference numerals:

10. a stationary ring; 20. lifting the suspender; 30. a clamping member; 31. clamping the bolt; 32. rotating the handle; 33. a clamping plate; 34. a bearing member; 35. positioning the slide bar; 36. clamping the plunger; 361. a limiting flange; 37. a drive mechanism; 371. a support frame; 372. a cam; 373. a drive handle; 374. a return spring; 40. and (7) a spindle.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The spindle clamp according to the embodiment of the present invention, as shown in fig. 1 and fig. 2, includes a fixing ring 10, a lifting rod 20 and a clamping component 30, wherein the lifting rod 20 is disposed on the fixing ring 10, and the lifting rod 20 is used for connecting with a hoisting device; the clamping component 30 is provided in plurality, and the plurality of clamping components 30 are arranged at intervals along the circumferential direction of the fixing ring 10; the fixing ring 10 is used for being sleeved on a spindle 40 to be hoisted, each clamping component 30 is used for clamping the spindle 40, and the hoisting equipment is used for hoisting the spindle 40 to a preset height or hoisting the spindle to a preset position through the hoisting rod 20 and the fixing ring 10. Therefore, in the process of smelting the metal spindle, the spindle 40 can be conveniently and quickly lifted out of the smelting furnace and hoisted to a corresponding position, the operation is simple, the spindle 40 can be firmly fixed, and the spindle 40 is prevented from slipping. The problem of adopt the steel cable to bind metal spindle 40 among the prior art and hoist and mount and take place the landing easily is solved.

Example 1:

as shown in fig. 1 and fig. 2, in the present embodiment, a plurality of screw holes are formed in the fixing ring 10, and extend along the radial direction of the fixing ring 10, and the plurality of screw holes are arranged at intervals along the circumferential direction of the fixing ring 10; the clamping component 30 comprises a plurality of clamping bolts 31, the plurality of clamping bolts 31 are correspondingly and rotatably installed in the plurality of screw holes; the number of the screw holes and the number of the clamping bolts 31 in the present embodiment are four, and the included angle between two adjacent clamping bolts 31 is 90 °. When each of the clamping bolts 31 is rotated in the first rotation direction by an external force, each of the clamping bolts 31 moves toward the spindle 40, so that the front end portion of each of the clamping bolts 31 clamps the spindle 40; when each clamping bolt 31 is rotated in the second rotation direction by the external force, each clamping bolt 31 moves away from the spindle 40 to loosen the spindle 40; the first and second directions of rotation are two opposite directions of rotation of the clamping bolt 31, optionally the first direction of rotation is clockwise and the second direction of rotation is counter-clockwise.

In order to realize easy rotation of the clamping bolts 31 without the aid of tools, the clamping member 30 further includes a plurality of rotation handles 32, the rotation handles 32 are correspondingly arranged at the rear end portions of the clamping bolts 31; the rotating handle 32 is a straight rod structure, the rotating handle 32 and the clamping bolt 31 form a T-shaped structure, and the clamping bolt 31 can be easily rotated by rotating the handle 32.

The front end section area of the clamping bolt 31 is small, and in the actual use process, if the clamping force is large, a concave pit is easily clamped on the side wall of the spindle 40, and the appearance and the quality of the spindle 40 are affected. Meanwhile, the small cross-sectional area of the front end of the clamping bolt 31 makes it difficult to clamp the spindle 40.

Further, as shown in fig. 3, the clamping member 30 further includes a plurality of clamping plates 33, the plurality of clamping plates 33 are correspondingly disposed at the front end portions of the plurality of clamping bolts 31, the number of clamping plates 33 of the present embodiment is four, and the number of four clamping plates 33 is correspondingly disposed at the front end portions of the four clamping bolts 31. The surface of the clamping plate 33 for contacting the side wall of the spindle 40 is an arc-shaped surface, and the arc-shaped surface is matched with the shape of the side wall of the spindle 40. The front end of the clamping bolt 31 is connected with the clamping plate 33 through the bearing component 34, so that when the clamping bolt 31 rotates in the process of clamping the spindle 40, the clamping plate 33 cannot rotate along with the clamping bolt 31 and only moves in the direction close to or far away from the spindle 40, and the arc-shaped surface of the clamping plate 33 can be just attached to the side wall of the spindle 40. When each clamping bolt 31 moves towards spindle 40, each clamping plate 33 abuts against the side wall of spindle 40 to clamp spindle 40; as each clamping bolt 31 moves away from spindle 40, each clamping plate 33 disengages from the sidewall of spindle 40 to loosen spindle 40.

Although the front end of the clamping bolt 31 is connected with the clamping plate 33 through the bearing component 34 to ensure that the arc-shaped surface of the clamping plate 33 can be just attached to the side wall of the spindle 40, the bearing component 34 still has rolling friction force, and an operator needs to slightly clamp the clamping plate 33 by using an auxiliary tool to prevent the clamping plate 33 from rotating, but the operation of the process is troublesome.

Furthermore, the clamping component 30 further comprises a plurality of positioning slide bars 35, the plurality of positioning slide bars 35 are provided, and the first ends of the plurality of positioning slide bars 35 are correspondingly connected with the plurality of clamping plates 33; the fixed ring 10 is provided with a plurality of first sliding holes matched with the positioning sliding rods 35, and the plurality of first sliding holes are formed at intervals along the circumferential direction of the fixed ring 10; the second ends of the positioning slide bars 35 correspondingly penetrate through the first slide holes and extend to the outside of the fixed ring 10; in this embodiment, each clamping plate 33 is connected with two positioning slide bars 35, first ends of the two positioning slide bars 35 on each clamping plate 33 are correspondingly connected with two ends of the clamping plate 33, so that the two positioning slide bars 35 are located at two sides of the corresponding clamping bolt 31, in the process of rotating the clamping bolt 31, each clamping plate 33 can only move in the direction close to or far from the spindle 40 under the limitation of the two positioning slide bars 35, and cannot rotate along with the clamping bolt 31, so that the arc-shaped surface of the clamping plate 33 can be just attached to the side wall of the spindle 40.

Example 2:

in this embodiment, as shown in fig. 4 to 5, a second sliding hole is formed in the fixing ring 10, the second sliding hole extends along the radial direction of the fixing ring 10, the number of the second sliding holes is multiple, and the multiple second sliding holes are arranged at intervals along the circumferential direction of the fixing ring 10; the clamping component 30 comprises a plurality of clamping plungers 36 and a driving mechanism 37, wherein the plurality of clamping plungers 36 are correspondingly and slidably mounted in the plurality of second slide holes; the number of the driving mechanisms 37 is plural, and the plural driving mechanisms 37 are provided corresponding to the plural pinching plungers 36; in this embodiment, the number of the second sliding holes, the gripping plungers 36 and the driving mechanism 37 is four, the included angle between two adjacent second sliding holes or two adjacent gripping plungers 36 is 90 °, and the driving mechanism 37 is used for driving the gripping plungers 36 to move in a direction approaching to or away from the spindle 40, so as to grip or release the spindle 40 under the gripping action of each gripping plunger 36.

Specifically, the driving mechanism 37 includes a support 371, a cam 372 and a driving handle 373, the support 371 is fixedly disposed on the outer sidewall of the fixing ring 10 and corresponds to the second sliding hole; the two support frames 371 are oppositely arranged on the support plate; the cam 372 is arranged between the two support plates and connected with the two support plates through a rotating shaft so as to be rotatable between the two support plates; the cam 372 is provided with a driving handle 373, and the cam 372 can be driven to rotate by the driving handle 373; the first end of the clamping plunger 36 passes through the corresponding second sliding hole and extends into the fixing ring 10, the rim of the cam 372 abuts against the second end of the clamping plunger 36, and when the driving handle 373 drives the cam 372 to rotate around the third rotating direction under the action of external force, the rim with the larger wheel diameter of the cam 372 abuts against the clamping plunger 36 so as to drive the clamping plunger 36 to move in the direction close to the spindle 40 to clamp the spindle 40.

When the cam 372 is rotated in the opposite direction by the driving handle 373, the rim of the cam 372 with smaller wheel diameter is gradually rotated to a position opposite to the clamping plungers 36, and at this time, in order to enable each clamping plunger 36 to be automatically reset, so that the spindle 40 is released, further, the driving mechanism 37 further comprises a return spring 374, and the return spring 374 is sleeved on the clamping plungers 36; a limiting flange 361 is arranged at the second end of the clamping plunger 36, a first end of a return spring 374 is abutted against the limiting flange 361, and a second end of the return spring 374 is abutted against the outer wall of the fixed ring 10; when the cam 372 rotates around the third rotating direction, the clamping plunger 36 is driven to move in the direction close to the spindle 40 and simultaneously compress the return spring 374 to the minimum stroke, when the cam 372 rotates around the fourth rotating direction, the rim with the smaller wheel diameter of the cam 372 gradually rotates to the position opposite to the clamping plunger 36, and at the moment, the clamping plunger 36 is driven to move in the direction far away from the spindle 40 under the action of the elastic force of the return spring 374 so as to automatically release the spindle 40; in this embodiment, optionally, the third rotation direction is a clockwise rotation direction of the cam 372, and the fourth rotation direction is a counterclockwise rotation direction of the cam 372.

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. A spindle clamp, comprising:

a stationary ring (10);

the lifting rod (20) is arranged on the fixing ring (10), and the lifting rod (20) is used for being connected with hoisting equipment;

a plurality of clamping components (30), wherein the plurality of clamping components (30) are arranged at intervals along the circumferential direction of the fixing ring (10);

the fixing ring (10) is used for being sleeved on a spindle (40) to be hoisted, each clamping component (30) is used for clamping the spindle (40), and the hoisting equipment is used for lifting the spindle (40) to a preset height or hoisting the spindle to a preset position through the hoisting rod (20) and the fixing ring (10).

2. The spindle clamp according to claim 1, wherein the fixing ring (10) is provided with a plurality of screw holes extending along a radial direction of the fixing ring (10), and the plurality of screw holes are arranged at intervals along a circumferential direction of the fixing ring (10); the clamping member (30) includes:

a plurality of clamping bolts (31), wherein the clamping bolts (31) are correspondingly and rotatably installed in the screw holes;

wherein each clamping bolt (31) moves towards the spindle (40) to clamp the spindle (40) when the clamping bolt (31) rotates around a first rotating direction under the action of external force; when each clamping bolt (31) rotates around the second rotating direction under the action of external force, each clamping bolt (31) moves away from the spindle (40) to loosen the spindle (40);

the first and second rotational directions are two opposite rotational directions of the clamping bolt (31).

3. Spindle clamp according to claim 2, characterized in that said clamping member (30) further comprises:

a plurality of rotating handles (32), wherein the plurality of rotating handles (32) are correspondingly arranged at the rear end parts of the clamping bolts (31); the rotating handle (32) is used for driving the clamping bolt (31) to rotate under the action of external force.

4. Spindle clamp according to claim 3, characterized in that said clamping member (30) further comprises:

a plurality of clamping plates (33), wherein the plurality of clamping plates (33) are correspondingly arranged at the front end parts of the plurality of clamping bolts (31), and the front end parts of the clamping bolts (31) are connected with the clamping plates (33) through bearing components (34);

wherein each clamping plate (33) abuts a side wall of the spindle (40) to clamp the spindle (40) when each clamping bolt (31) is moved towards the spindle (40); when each of the clamping bolts (31) is moved away from the spindle (40), each of the clamping plates (33) is separated from the sidewall of the spindle (40) to loosen the spindle (40).

5. Spindle clamp according to claim 4, characterized in that the surface of the clamping plate (33) intended to come into contact with the side wall of the spindle (40) is an arc-shaped surface, which is adapted to the side wall profile of the spindle (40).

6. Spindle clamp according to claim 4, characterized in that said clamping member (30) further comprises:

the clamping device comprises a plurality of positioning slide bars (35), wherein the plurality of positioning slide bars (35) are provided, and the first ends of the plurality of positioning slide bars (35) are correspondingly connected with the plurality of clamping plates (33);

the fixing ring (10) is provided with a plurality of first sliding holes matched with the positioning sliding rods (35), and the plurality of first sliding holes are formed at intervals along the circumferential direction of the fixing ring (10); the second ends of the positioning slide bars (35) correspondingly penetrate through the first slide holes and extend to the outside of the fixed ring (10);

the positioning slide (35) is used for limiting the clamping plate (33) to rotate along with the clamping bolt (31) when the clamping bolt (31) rotates around a first rotating direction or a second rotating direction.

7. Spindle clamp according to claim 6, characterized in that two positioning slide bars (35) are connected to each clamping plate (33), the first ends of the two positioning slide bars (35) on each clamping plate (33) being connected to the two ends of the clamping plate (33) respectively.

8. The spindle clamp according to claim 1, wherein the fixing ring (10) is provided with a plurality of second sliding holes, the second sliding holes extend along a radial direction of the fixing ring (10), and the plurality of second sliding holes are arranged at intervals along a circumferential direction of the fixing ring (10); the clamping member (30) includes:

a plurality of clamping plungers (36), wherein the plurality of clamping plungers (36) are correspondingly and slidably mounted in the plurality of second slide holes;

a plurality of driving mechanisms (37), wherein the plurality of driving mechanisms (37) are arranged corresponding to the plurality of clamping plungers (36);

wherein the driving mechanism (37) is used for driving the clamping plunger (36) to move in a direction close to or far away from the spindle (40) so as to clamp or unclamp the spindle (40).

9. Spindle clamp according to claim 8, characterized in that said driving mechanism (37) comprises:

the support frame (371) is fixedly arranged on the outer side wall of the fixed ring (10) and corresponds to the second sliding hole;

a cam (372), wherein the cam (372) is rotatably arranged on the supporting frame (371) through a rotating shaft;

wherein, a driving handle (373) is arranged on the cam (372), and the driving handle (373) is used for driving the cam (372) to rotate;

the first end of the clamping plunger (36) extends into the fixing ring (10), the rim of the cam (372) is abutted against the second end of the clamping plunger (36), and the driving handle (373) drives the clamping plunger (36) to move in a direction close to the spindle (40) to clamp the spindle (40) when the cam (372) is driven to rotate around the third rotating direction by the external force.

10. Spindle clamp according to claim 9, characterized in that said driving mechanism (37) further comprises:

a return spring (374) sleeved on the clamping plunger (36);

wherein a second end of the clamping plunger (36) is provided with a limit flange (361), a first end of the return spring (374) abuts against the limit flange (361), a second end of the return spring (374) abuts against an outer wall of the retainer ring (10), and the return spring (374) is used for driving the clamping plunger (36) to move in a direction away from the spindle (40) to release the spindle (40) when the cam (372) rotates around a fourth rotating direction;

the third and fourth rotational directions are two opposite rotational directions of the cam (372).