CN218254881U

CN218254881U - Graphite electrode strip-shaped wrench head

Info

Publication number: CN218254881U
Application number: CN202222229439.4U
Authority: CN
Inventors: 周梅; 吴诗德
Original assignee: Yz Zhongda Gas Spring Co ltd
Current assignee: Yz Zhongda Gas Spring Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-10
Anticipated expiration: 2032-08-23

Abstract

The utility model relates to a graphite electrode banding spanner head. The device is including the last take-up band and the lower take-up band of semicircle form, it is articulated with lower take-up band one end to go up take-up band one end, still includes the lever cover, the lever cover front end is articulated to have the supporting shoe, and the lever cover surface that lies in take-up band one side is provided with the connecting block, and the spout has been seted up to the connecting block both sides, it is provided with U type seat to go up take-up band free end, and the both ears board section free end of U type seat is provided with the peg, and each peg slip joint is in the spout that corresponds, take-up band free end is provided with the connecting rod down, the connecting rod free end is connected with the supporting shoe, peg graft and have the handle portion, because the cooperation setting of last take-up band and lower take-up band, the device can be reliable hold tightly graphite electrode, and can not leave mar and damage for graphite electrode surface at the in-process of holding tightly rotating graphite electrode, has improved graphite electrode's quality, and the device is applicable to industrial production, has very strong practicality.

Description

Graphite electrode strip-shaped wrench head

Technical Field

The utility model belongs to the technical field of metal smelting, especially, relate to graphite electrode banding spanner head.

Background

The metallurgical industry in China develops rapidly, particularly the production capacity of a graphite electrode exceeds half of the world production capacity, high-quality steel comes from an electric arc refining furnace, the connection of the graphite electrode used by an electric furnace is an important link, and the graphite electrode is applied to an electronic arc melting furnace (called an electric arc furnace for short). Because of the manufacturing and using requirements, the electrode used in the actual production is longer and is formed by connecting a plurality of short electrodes through conical graphite joints. The quality of the connection between graphite electrodes will directly affect the energy utilization of the electric arc furnace and the normal smelting operation. What provide reliable assurance for this link is graphite electrode torque wrench, and torque wrench divide into spanner head and stalk portion (torque control part), and the most common is the crescent dop, and this dop has and skids and electrode outward appearance atress mar, and this patent adopts the structure that the banding of annular and inside lining are the latex board, and this structure has solved the technical problem of reliably holding the electrode tightly, can not leave the mar for the electrode surface again.

The device comprises a handle and a wrench head arranged at one end of the handle, wherein the wrench head comprises a connecting base body and a first hook part arranged at one edge of the connecting base body, the other edge of the connecting base body is connected with the corresponding end of the handle, the connecting base body is hinged with a deformed graphite joint chuck component, the graphite joint chuck component is an arc-shaped rod, the outer wall of one end of the arc-shaped rod is hinged with the connecting base body, the outer wall of the other end of the arc-shaped rod is provided with a convex second hook part, the first hook part is matched with the second hook part to enclose the arc-shaped rod into a circular ring, and the arrangement of the graphite joint chuck component enables the device to clamp an external cone thread sleeve without damaging the external cone thread sleeve. The disadvantages are that: the device is limited to the power of holding tightly of graphite electrode, holds the effect relatively poor tightly, has certain limitation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that current graphite joint spanner is embraced and is tightly done all can lower, is difficult to reliably embrace the electrode tightly, easily leaves the mar on the electrode surface when embracing tightly graphite joint simultaneously, in order to improve its weak point, the utility model provides a graphite electrode banding spanner head.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the graphite electrode band-shaped wrench head comprises an upper tightening belt and a lower tightening belt which are semicircular, one end of the upper tightening belt is hinged to one end of the lower tightening belt, the wrench head further comprises a lever sleeve, a supporting block is hinged to the front end of the lever sleeve, a connecting block is arranged on the outer surface of the lever sleeve positioned on one side of the upper tightening belt, sliding grooves are formed in two sides of the connecting block, a U-shaped seat is arranged at the free end of the upper tightening belt, hanging pins are arranged at the free ends of two lug plate sections of the U-shaped seat, the hanging pins are slidably clamped in the corresponding sliding grooves, a connecting rod is arranged at the free end of the lower tightening belt, the free end of the connecting rod is connected with the supporting block, and a wrench handle portion is inserted into the tail end of the lever sleeve.

According to the preferable scheme, a clamping column is arranged on the inner wall of the tail end of the lever sleeve, a wedge-shaped section is arranged at the handle part in the lever sleeve, a groove matched with the clamping column is formed in the outer surface of the wedge-shaped section, a fixing screw hole is formed in the outer wall of the lever sleeve, a locking bolt is screwed in the fixing screw hole, and the free end of the locking bolt in the lever sleeve abuts against the wedge-shaped surface of the wedge-shaped section.

As a preferred scheme, an extension spring is arranged between the free end of the lower tightening belt and the outer surface of the front end of the lever sleeve, one end of the extension spring is connected with the connecting rod, and the other end of the extension spring is connected with the outer wall of the lever sleeve.

Preferably, lining plates are attached to the inner surfaces of the upper tightening belt and the lower tightening belt, and the lining plates are latex plates.

Preferably, a hand-held part is arranged on the U-shaped seat.

Preferably, the surface of the supporting block, which faces away from the lever sleeve, is provided with anti-skid insections.

The utility model discloses the during operation, operating personnel will pull handle portion front end and insert in the lever cover, the card post in the lever cover just in time the joint is in the recess of pulling handle portion wedge section, connect locking bolt soon in fixed screw after the joint is accomplished, will pull handle portion lock and die, will go up the tightening band after locking and open, the tightening band snare is on graphite electrode's cylinder surface down, the tightening band laminating is when graphite electrode surface down, will go up the tightening band and close, operating personnel grasps the lever cover in the left hand, the right hand grasps the handheld portion of tightening band side, will hang the round pin hard and advance to the connecting block along the spout card in, loosen the right hand, both hands tightly grasp and pull handle portion anticlockwise rotation, can tighten graphite electrode.

Compared with the prior art, the utility model discloses the beneficial effect who has does: because the cooperation setting in last tightening strap and lower tightening strap, the device can be reliable hold tightly graphite electrode, and can not leave mar and damage for graphite electrode surface at the in-process of holding tightly rotating graphite electrode, has improved graphite electrode's quality, and the device is applicable to in the industrial production, has very strong practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a point a in fig. 1.

Fig. 3 is a schematic structural view of the present invention in an open state.

Fig. 4 is a partially enlarged view of fig. 3 at B.

Fig. 5 is a schematic structural view in the tightening state of the present invention.

In the figure: 1 upper tightening belt, 2 lower tightening belt, 3 lever sleeve, 4 supporting block, 5 connecting block, 6 chute,

the novel handle comprises a 7U-shaped seat, 8 hanging pins, 9 connecting rods, 10 handle pulling parts, 11 clamping columns, 12 wedge-shaped sections, 13 grooves, 14 fixing screw holes, 15 locking bolts, 16 extension springs, 17 inner lining plates and 18 handheld parts.

Detailed Description

The technical solution of the present application will be further described and explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1-5, the graphite electrode band wrench head includes a semicircular upper tightening strap 1 and a semicircular lower tightening strap 2, one end of the upper tightening strap 1 is hinged to one end of the lower tightening strap 2, the wrench head further includes a lever sleeve 3, a support block 4 is hinged to the front end of the lever sleeve 3, a connection block 5 is arranged on the outer surface of the lever sleeve 3 on one side of the upper tightening strap 1, sliding grooves 6 are formed in two sides of the connection block 5, a U-shaped seat 7,U is arranged at the free end of the upper tightening strap 1, hanging pins 8 are arranged at the free ends of two ear plate sections of the U-shaped seat 5363, each hanging pin 8 is slidably clamped in the corresponding sliding groove 6, a connection rod 9 is arranged at the free end of the lower tightening strap 2, the free end of the connection rod 9 is connected to the support block 4, and a wrench handle portion 10 is inserted into the tail end of the lever sleeve 3. The inner wall of the tail end of the lever sleeve 3 is provided with a clamping column 11, the handle portion 10 located in the lever sleeve 3 is provided with a wedge-shaped section 12, a groove 13 matched with the clamping column 11 is formed in the outer surface of the wedge-shaped section 12, a fixing screw hole 14 is formed in the outer wall of the lever sleeve 3, a locking bolt 15 is screwed in the fixing screw hole 14, and the free end of the locking bolt 15 located in the lever sleeve 3 abuts against the wedge-shaped surface of the wedge-shaped section 12. An extension spring 16 is arranged between the free end of the lower tightening belt 2 and the outer surface of the front end of the lever sleeve 3, one end of the extension spring 16 is connected with the connecting rod 9, and the other end of the extension spring is connected with the outer wall of the lever sleeve 3. Inner lining plates 17 are attached to the inner surfaces of the upper tightening belt 1 and the lower tightening belt 2, and the inner lining plates 17 are latex plates. The U-shaped seat 7 is provided with a hand-held part 18. The surface of the supporting block 4 back to the lever sleeve 3 is provided with anti-skid insections.

When the graphite electrode tightening device works, an operator inserts the front end of the handle portion 10 into the lever sleeve 3, a clamping column 11 in the lever sleeve 3 is just clamped in a groove 13 of a wedge-shaped section 12 of the handle portion 10, a locking bolt 15 is screwed in a fixing screw hole 14 after clamping is completed, the handle portion 10 is locked, after locking, the upper tightening belt 1 is opened, the lower tightening belt 2 is sleeved on the outer surface of a cylinder of a graphite electrode, when the lower tightening belt 2 is attached to the outer surface of the graphite electrode, the upper tightening belt 1 is closed, the operator grasps the lever sleeve 3 by the left hand, grasps the handheld portion 18 on the side surface of the upper tightening belt 1 by the right hand, forcibly clamps the hanging pin 8 into the connecting block 5 along the sliding groove 6, releases the right hand, and tightly grasps the handle portion 10 by the two hands to rotate anticlockwise, so that the graphite electrode can be tightened.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. Graphite electrode banding spanner head, its characterized in that: including the last take-up band and the lower take-up band of semicircle form, it is articulated with lower take-up band one end to go up take-up band one end, still includes the lever sleeve, the lever sleeve front end is articulated to have the supporting shoe, and the lever sleeve surface that is located take-up band one side is provided with the connecting block, and the spout has been seted up to the connecting block both sides, it is provided with U type seat to go up take-up band free end, and the both ears board section free end of U type seat is provided with hangs the round pin, and each hangs round pin slip joint in the spout that corresponds, take-up band free end is provided with the connecting rod down, the connecting rod free end is connected with the supporting shoe, the peg graft of lever sleeve tail end has pull handle portion.

2. The graphite electrode ribbon wrench head as defined in claim 1, wherein: the lever sleeve is characterized in that a clamping column is arranged on the inner wall of the tail end of the lever sleeve, a wedge-shaped section is arranged at the handle part in the lever sleeve, a groove matched with the clamping column is formed in the outer surface of the wedge-shaped section, a fixed screw hole is formed in the outer wall of the lever sleeve, a locking bolt is screwed in the fixed screw hole, and the free end of the locking bolt in the lever sleeve abuts against the wedge-shaped surface of the wedge-shaped section.

3. The graphite electrode ribbon wrench head as defined in claim 2, wherein: an extension spring is arranged between the free end of the lower tightening belt and the outer surface of the front end of the lever sleeve, one end of the extension spring is connected with the connecting rod, and the other end of the extension spring is connected with the outer wall of the lever sleeve.

4. The graphite electrode ribbon wrench head as defined in any one of claims 1 to 3, wherein: and lining plates are attached to the inner surfaces of the upper tightening belt and the lower tightening belt and are latex plates.

5. The graphite electrode ribbon spanner head of claim 4 wherein: and a hand-held part is arranged on the U-shaped seat.

6. The graphite electrode ribbon spanner head of claim 5 wherein: the surface of the supporting block back to the lever sleeve is provided with anti-skidding insections.