CN210025111U

CN210025111U - Lock pin and nut dismounting tool

Info

Publication number: CN210025111U
Application number: CN201920468642.2U
Authority: CN
Inventors: 张金锋; 陈铭; 李金洪; 陈晓龙
Original assignee: Xiamen Container Terminal Group Co Ltd
Current assignee: Xiamen Container Terminal Group Co Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-02-07
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a lock pin and nut's extracting tool, including lock pin spanner and nut spanner, both use mutually supporting when dismantling the lock pin, wherein the lock pin spanner includes lock pin handle and lock pin sleeve, both fixed connection, lock pin sleeve hole shape cooperatees with the head of lock pin, nut spanner includes nut handle and nut sleeve, both fixed connection, nut sleeve hole sets up the edging cooperation of chimb and nut, during the dismantlement, staff's left hand is handheld lock pin spanner, overlap the head at the lock pin with the lock pin, it is fixed, right hand is handheld nut handle, overlap nut sleeve on the nut, it can pull down the nut to rotate the nut handle, make dismouting efficiency very high, and staff's intensity of labour has been reduced, labour's input has been reduced.

Description

Lock pin and nut dismounting tool

Technical Field

The utility model relates to a tool, especially relate to a lockpin and nut's extracting tool.

Background

The model is NOELL's portal crane, lock pin and nut need often be changed on the shelf, when changing, need to adopt the cooperation of electric welding gas cutting just can accomplish, the dismouting nut can just be accomplished to adopt large-scale breakout tongs, when dismantling the nut, need the head that a staff goes to clip the lock pin with the pliers, let the handheld breakout tongs of another staff, the nut is cliied to keeping silent, rotatory pincers handle, because the restriction in space, large-scale breakout tongs keeps silent greatly, the pincers handle is long, when using in narrow and small space, only can rotate very little angle at every turn, make the dismantlement efficiency of nut extremely low, whole process needs two people cooperations just can accomplish, the very big waste of manpower has been caused, and because the lock pin nut shape is special, large-scale breakout tongs centre gripping is very difficult, staff's working strength has been increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lock pin and nut's extracting tool, it has solved the problem that above-mentioned exists.

The utility model provides a technical scheme that its technical problem adopted is: a lock pin and nut dismounting tool is provided, one end of the lock pin is provided with a head, the nut is screwed at the other end of the lock pin, the cross section of the head is rectangular, the left side and the right side of the peripheral surface of the nut are symmetrically provided with chamfered edges, the dismounting tool comprises a lock pin wrench and a nut wrench, the lock pin wrench comprises a lock pin handle and a lock pin sleeve, one end of the lock pin handle is fixedly connected with the side surface of the lock pin sleeve, and the cross section of an inner hole of the lock pin sleeve is rectangular corresponding to the head; the nut wrench comprises a nut handle and a nut sleeve, one end of the nut handle is fixedly connected with the side face of the nut sleeve, two convex edges are arranged on the side wall of the inner hole of the nut sleeve corresponding to the chamfered edges, and the two convex edges are respectively clamped with the two chamfered edges when the nut sleeve sleeves the nut, so that the nut and the nut sleeve are clamped in the circumferential direction.

Furthermore, a cross-shaped groove is formed in the end face, far away from the head, of the nut, a cross-shaped support is arranged in an inner hole of the nut sleeve, and the support is embedded into the groove when the nut is sleeved by the nut sleeve.

Further, the nut sleeve comprises an outer frame and an inner ring which can be arranged in the outer frame in a one-way rotating mode, the outer frame is connected with the nut handle, and the convex edge is arranged on the inner circumferential surface of the inner ring.

Furthermore, the outer frame and the inner ring limit the rotation direction of the inner ring through a one-way ratchet mechanism.

Further, the lock pin handle and the nut handle are rods each having a rectangular cross section.

Furthermore, the other ends of the lock pin handle and the nut handle are provided with hanging holes.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses be equipped with lockpin spanner and nut spanner, both use each other cooperatees when dismantling the lockpin, wherein the lockpin spanner includes lockpin handle and lockpin cover, both fixed connection, lockpin cover hole shape cooperatees with the head of lockpin, nut spanner includes nut handle and nut cover, both fixed connection, nut cover hole sets up the edging cooperation of chimb and nut, during the dismantlement, staff's left hand is handheld lockpin spanner, overlap the head at the lockpin with the lockpin cover, it is fixed motionless, right hand is handheld nut handle, overlap the nut on the nut, it can pull down the nut to rotate the nut handle, make dismouting efficiency very high, and staff's intensity of labour has been reduced, the input of labour has been reduced.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the locking pin wrench of the present invention;

fig. 3 is a front view of the nut runner of the present invention:

fig. 4 is a perspective view of the locking pin and nut of the present invention.

Detailed Description

In an embodiment, please refer to fig. 1 to 4, a disassembling tool for a lock pin and a nut of the present invention includes a head at one end of a lock pin 1, a nut 2 screwed at the other end of the lock pin 1, the cross section of the head being rectangular, a chamfered edge symmetrically disposed on the left and right sides of the outer peripheral surface of the nut 2, the disassembling tool including a lock pin wrench 4 and a nut wrench 3, the lock pin wrench 4 including a lock pin handle 10 and a lock pin sleeve 11, one end of the lock pin handle 10 being fixedly connected to the side surface of the lock pin sleeve 11, the cross section of the inner hole of the lock pin sleeve 11 being rectangular corresponding to the head; the nut wrench 3 comprises a nut handle 5 and a nut sleeve 6, one end of the nut handle 5 is fixedly connected with the side face of the nut sleeve 6, two convex edges are arranged on the side wall of the inner hole of the nut sleeve 6 corresponding to the chamfered edges, and the two convex edges are respectively clamped with the two chamfered edges when the nut sleeve 6 sleeves the nut 2, so that the nut 2 is clamped with the nut sleeve 6 in the circumferential direction. The cross section of the outer side surface of the lock pin sleeve 11 is rectangular, and the cross section of the outer side surface of the nut sleeve 6 is circular.

In this embodiment, a cross-shaped groove is formed in an end surface of the nut 2 on a side away from the head, a cross-shaped bracket 9 is arranged in an inner hole of the nut sleeve 6, and the bracket 9 is embedded into the groove when the nut sleeve 6 sleeves the nut 2.

In this embodiment, the nut sleeve 6 includes an outer frame 7 and an inner ring 8 that is disposed in the outer frame 7 in a one-way rotatable manner, the outer frame 7 is connected to the nut handle 5, and the flange is disposed on an inner circumferential surface of the inner ring 8. The outer frame 7 and the inner ring 8 can only rotate relatively in a single direction and are connected through a ratchet mechanism.

In this embodiment, a rotation direction of the inner ring 8 is limited between the outer frame 7 and the inner ring 8 by a one-way ratchet mechanism.

In this embodiment, the lock pin handle 10 and the nut handle 5 are rods each having a rectangular cross section.

In this embodiment, the latch handle 10 and the nut handle 5 are provided with hanging holes at the other ends thereof. The hanging hole can be provided with a hanging rope.

In this embodiment, when using, a worker holds the lockpin wrench 4 with one hand and holds the nut wrench 3 with the other hand, firstly, the lockpin sleeve 11 on the lockpin wrench 4 is sleeved on the head of the lockpin 1, then the nut sleeve 6 on the nut wrench 3 is sleeved on the nut 2, the two convex edges of the nut sleeve 6 are clamped on the chamfered edge of the nut 2, the cross-shaped bracket 9 is embedded into the groove of the nut 2, one hand keeps the lockpin wrench 4 fixed, and the other hand rotates the nut wrench 3 for several turns, so that the nut 2 can be detached.

The above embodiments are only used to further illustrate the disassembling tool for the lock pin and the nut of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments all fall into the protection scope of the technical solution of the present invention.

Claims

1. A lockpin and nut extracting tool, this lockpin one end is equipped with the head, and this nut spiro union is in this lockpin other end, its characterized in that: the cross section of the head is rectangular, the left side and the right side of the outer peripheral surface of the nut are symmetrically provided with chamfered edges, the disassembling tool comprises a lock pin wrench and a nut wrench, the lock pin wrench comprises a lock pin handle and a lock pin sleeve, one end of the lock pin handle is fixedly connected with the side surface of the lock pin sleeve, and the cross section of an inner hole of the lock pin sleeve is rectangular corresponding to the head; the nut wrench comprises a nut handle and a nut sleeve, one end of the nut handle is fixedly connected with the side face of the nut sleeve, two convex edges are arranged on the side wall of the inner hole of the nut sleeve corresponding to the chamfered edges, and the two convex edges are respectively clamped with the two chamfered edges when the nut sleeve sleeves the nut, so that the nut and the nut sleeve are clamped in the circumferential direction.

2. The lock pin and nut remover as claimed in claim 1, wherein: the nut is far away from the end face of one side of the head, a cross-shaped groove is formed in the end face of one side of the head, a cross-shaped support is arranged in an inner hole of the nut sleeve, and the support is embedded into the groove when the nut is sleeved with the nut.

3. A lock pin and nut remover as claimed in claim 1 or 2, wherein: the nut sleeve comprises an outer frame and an inner ring which can be arranged in the outer frame in a unidirectional rotating mode, the outer frame is connected with the nut handle, and the convex edge is arranged on the inner circumferential surface of the inner ring.

4. The lock pin and nut remover as claimed in claim 3, wherein: the outer frame and the inner ring limit the rotation direction of the inner ring through a one-way ratchet mechanism.

5. The lock pin and nut remover as claimed in claim 1, wherein: the lock pin handle and the nut handle are rods with rectangular sections.

6. The lock pin and nut remover as claimed in claim 5, wherein: and hanging holes are formed in the other ends of the lock pin handle and the nut handle.