CN202271352U

CN202271352U - Special dismantlement tool for difficult-to-disassemble bolt

Info

Publication number: CN202271352U
Application number: CN2011204116649U
Authority: CN
Inventors: 刘华平
Original assignee: CHENGDU HANGLI AVIATION TECHNOLOGY Co Ltd
Current assignee: CHENGDU HANGLI AVIATION TECHNOLOGY Co Ltd
Priority date: 2011-10-26
Filing date: 2011-10-26
Publication date: 2012-06-13
Anticipated expiration: 2021-10-26

Abstract

The utility model relates to a special dismantlement tool for a difficult-to-disassemble bolt. The special dismantlement tool comprises a sliding rod, a sliding sleeve, a handle, an installation rod, a rotor, a rotating shaft, a quickly exchanging cone head, a ratchet wheel wrench, a pressing plate and a through hole, wherein the sliding sleeve is sleeved on the sliding rod and can slide along the sliding rod and can be fixed on the sliding rod; one end of the handle is installed on the sliding sleeve; the first end of the installation rod extends into a sliding rod hole and can be fixed on the sliding rod; the rotor is installed on the installation rod; the rotating shaft is installed on the rotor and provided with a ratchet wheel at the top end and can rotate; the quickly exchanging cone head is matched with the lower end of the rotating shaft; the ratchet wheel wrench is matched with the ratchet wheel at the top end of the rotating shaft; the first end of the pressing plate is connected with the second end of the installation rod; the second end of the pressing plate is provided with a through hole; and one end of a bolt passes through the through hole on the pressing plate. According to the utility model, the bolt head loss and the bolt rejection rate can be effectively decreased, the labor intensity can be reduced, the working efficiency can be improved, and the special dismantlement tool is particularly suitable for covering surfaces of aircrafts of special industries, such as aviation, aerospace and the like.

Description

Difficult knockout screw removal tool special

Technical field

The utility model relates to special industry aircraft surface covering screw disassembling tools such as Aeronautics and Astronautics.

Background technology

Surperficial coverings such as China's Aeronautics and Astronautics class aircraft, aircraft all connect with screw special, because its running environment is abominable, high temperature, high pressure, the heavily stressed part screw that makes are out of shape, kill.In ground maintenance work; When adopting these screws of general tool or electronic screw driver dismounting, because the pressure of operator's hand is limited, dismounting is difficulty very; And these screw major parts all are need be reusable; The bothersome effort of dismounting by force, and cause the screw head distortion and screw can not be reused is used to make dismounting next time difficulty more reluctantly.Sometimes in addition the method that can only take to destroy remove and change, cause screw to be scrapped.Cause aircraft floor maintenance labour intensity big, inefficiency, maintenance cost is high.

The utility model content:

The purpose of the utility model is in order to overcome with deficiency; Provide a kind of and can effectively reduce screw head loss and screw is scrapped; Reduce labor intensity, increase work efficiency, be specially adapted to the difficult knockout screw removal tool specials of special industry aircraft surface covering such as Aeronautics and Astronautics.

The purpose of the utility model realizes like this:

The difficult knockout screw removal tool special of the utility model comprises slide bar, and being sleeved on can slide along slide bar on the slide bar also can be fixed on the sliding sleeve on the slide bar; One end is contained in the handle on the sliding sleeve; First end stretches in the sliding rod hole and can be fixed on the mounting rod on the slide bar, is contained in the rotor on the mounting rod, is contained on the rotor and can rotates and there is the rotating shaft of ratchet on the top; Separate conehead with the quick change that the rotating shaft lower end cooperates; With the ratchet wrench that rotating shaft top ratchet cooperates, on second end of the pressing plate that first end is connected with mounting rod second end through hole is arranged, screw one end passes the through hole on the pressing plate.

Above-mentioned sliding sleeve is fixed on the slide bar through lock-screw.

The one of the main reasons of the difficult dismounting of screw is after screw is killed, and hand is not enough to resist the frictional force of screw pretightning force or screw pair to the normal pressure of instrument during manually-operated, causes instrument to skid, and screw is difficult to dismounting.During the utility model work, at first screw is fixed in certain easily detachable screw hole, the first screw head of quick change screw driver is compressed, utilize ratchet spanner that screw is pulled down through handle.Handle position can be adjusted on slide bar according to the screw tightness, can change the pressure that quick change is separated conehead like this, to dismantle the screw of different tightnesses.Can increase the normal pressure of quick change pyramidal tamper head and screw during the utility model work, thereby solve the screw disassembling problem.In particular cases can also on handle, increase and add boosting-rod.Utilize the utility model can pull down the screw that the craft on the aircraft skin is difficult to dismantle very easily.The utility model is simple in structure, and is easy to use, is applicable to the screw disassembling of various criterion, effectively reduced screw head damage and screw and scrapped, and alleviated labour intensity, improved operating efficiency greatly.

Description of drawings:

Fig. 1 is the utility model structural representation.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the K portion enlarged drawing among Fig. 1.

The specific embodiment:

Referring to Fig. 1～Fig. 3; The difficult knockout screw removal tool special of present embodiment comprises slide bar 2, and being sleeved on can slide along slide bar on the slide bar also can be fixed on the sliding sleeve 2-1 on the slide bar through lock-screw 8; One end is contained in the handle 1 on the sliding sleeve; One end stretch in the sliding rod hole and can be fixed on the mounting rod 5 on the sliding sleeve, center line is perpendicular to the slide bar center line and be contained in the rotor 9 on the mounting rod, is contained on the rotor and relatively rotates that body rotates and there is the rotating shaft 11 of ratchet 11-1 on the top through thrust bearing 10; The quick change that cooperates with the rotating shaft lower end is separated conehead 6; On the other end of the pressing plate 4 that ratchet wrench 3, one ends that cooperate with rotating shaft top ratchet are connected with the mounting rod other end through hole 4-1 is arranged, screw 7 one ends pass the through hole 4-1 on the pressing plate.

Claims

1. difficult knockout screw removal tool special is characterized in that comprising slide bar, and being sleeved on can slide along slide bar on the slide bar also can be fixed on the sliding sleeve on the slide bar; One end is contained in the handle on the sliding sleeve; First end stretches in the sliding rod hole and can be fixed on the mounting rod on the slide bar, is contained in the rotor on the mounting rod, is contained on the rotor and can rotates and there is the rotating shaft of ratchet on the top; Separate conehead with the quick change that the rotating shaft lower end cooperates; With the ratchet wrench that rotating shaft top ratchet cooperates, on second end of the pressing plate that first end is connected with mounting rod second end through hole is arranged, screw one end passes the through hole on the pressing plate.

2. difficult knockout screw removal tool special as claimed in claim 1 is characterized in that sliding sleeve is fixed on the slide bar through lock-screw.