CN202963601U

CN202963601U - Large aperture pneumatic cutting nippers

Info

Publication number: CN202963601U
Application number: CN 201220694981
Authority: CN
Inventors: 祝君旗; 王勇; 曹帅辉; 查洋
Original assignee: 710th Research Institute of CSIC
Current assignee: 710th Research Institute of CSIC
Priority date: 2012-12-13
Filing date: 2012-12-13
Publication date: 2013-06-05
Anticipated expiration: 2022-12-13

Abstract

The utility model belongs to pneumatic tools, and particularly relates to reciprocating large aperture pneumatic cutting nippers. In the reciprocating large aperture pneumatic cutting nippers, initiating explosive devices are directly used for producing high pressure gas, the high pressure gas produces thrust after passing a piston and an air cylinder, and the reciprocating large aperture pneumatic cutting nippers are used in objects such as a rebar, a wire rope and the like. The large aperture pneumatic cutting nippers comprise a cutter frame, a stationary cutter, a moving cutter, a buffering ring, a frustrating ring, the piston, the air cylinder and an arming device. Principle design that the arming device is used to produce the high pressure gad, the thrust is produced after the high pressure gas passes the piston and the air cylinder, so the moving cutter which is connected with the piston moves quickly, and the moving cutter and the stationary cutter which is arranged on the cutter frame are used for cutting cut objects is used. The cutter frame, the stationary cutter and the moving cutter are in tabular structures, the tabular structures is suitable for designing the large aperture pneumatic cutting nippers, and the large aperture pneumatic cutting nippers are simple in structure, easy to manufacture and reliable in work.

Description

The pneumatic cutting nippers of a kind of heavy caliber

Technical field

The utility model belongs to pneumatic tool, is specifically related to a kind of direct use priming system and produces high-pressure gas, produces thrust after piston-cylinder, for the pneumatic cutting nippers of reciprocating type heavy caliber of the objects such as reinforcing bar wirerope.

Background technology

Existing pneumatic cutting nippers mainly is comprised of moving knife, stationary knife, knife rest, piston, cylinder, percussion lock.The pneumatic cutting nippers of selling on market is exactly this form.When being cut object and be placed between the moving knife stationary knife, pull percussion lock, percussion gas generator, high-pressure gas promotes moving knife and moves, and shears together with stationary knife and is cut thing.This pneumatic cutting nippers uses cylindrical cutting tool, shears bore little, can't shear large scale and be cut object.

The utility model content

The purpose of this utility model is to overcome the defective that exists in prior art, provides a kind of simple in structure, easy to use, can shear heavy caliber and be cut object novel pneumatic cutting nippers.

To achieve these goals, the technical solution of the utility model is the pneumatic cutting nippers of a kind of heavy caliber of design, comprises knife rest, stationary knife, moving knife, buffering ring, lose heart ring, piston, cylinder and percussion lock;

Described knife rest, stationary knife and moving knife are pancake, and described knife rest is U-shaped structure, have U-shaped groove in the U-shaped structure of knife rest, have installing hole on the right side of knife rest;

Described buffering ring and the ring that loses heart are cirque structure, axially have disappointing groove at lose heart ring anchor ring;

Its annexation is: described stationary knife and moving knife are arranged on respectively the U-shaped groove left and right sides of knife rest, the installing hole that piston passes respectively disappointing ring, buffering ring and knife rest is threaded with moving knife, and described cylinder jacket is connected on piston, disappointing ring and buffering ring and is threaded with knife rest; Described percussion lock is arranged on the afterbody of cylinder.

Also include guide rod, have pilot hole on described knife rest right side, described pilot hole is located at the U-shaped channel opening place of knife rest, and the pilot hole that described guide rod passes knife rest is threaded with moving knife.

Described stationary knife and knife rest are fixed by mounting screw.

The utility model is achieved in that it is the high-pressure gas that utilizes percussion lock to produce, and produces thrust after piston, cylinder, makes the moving knife fast moving that is connected with piston, shears the principle design of being cut object together with the stationary knife that is arranged on knife rest.When piston moves to the impulse stroke end, enter the ring that loses heart, impact the ring end face that loses heart, during the compression buffering ring, in cylinder, the up and down cavity is communicated with.

Advantage of the present utility model and beneficial effect are: knife rest, stationary knife and moving knife are the flat structure, adapt to design heavy caliber cutting nippers, and simple in structure, are easy to make reliable operation.Adopt the solid buffering ring in cylinder and the ring that loses heart, formed solid and two kinds of bufferings of gas, and the high-pressure gas of releasing after shearing is completed, reduce to impact, improve the life-span.Owing to also including guide rod, have pilot hole on described knife rest right side, described pilot hole is located at the U-shaped channel opening place of knife rest, and the pilot hole that described guide rod passes knife rest is threaded with moving knife.Can strengthen the intensity of moving knife.Because described stationary knife and knife rest are fixed by mounting screw.Can play the effect that is connected firmly, and simple in structure.

Description of drawings

Fig. 1 is the structural representation of most preferred embodiment of the present utility model.

Fig. 2 is structural representation after the pneumatic cutting nippers of Fig. 1 heavy caliber is implemented.

Wherein, 1-screw; The 2-knife rest; The 3-stationary knife; The 4-moving knife; The 5-guide rod; The 6-buffering ring; 7-loses heart and encircles; The 8-piston; The 9-cylinder; The 10-percussion lock.

The specific embodiment

Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is further described, following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection domain of the present utility model with this.

As shown in Figure 1 and Figure 2, the concrete technical scheme of implementing of the utility model is: the pneumatic cutting nippers of a kind of heavy caliber comprises knife rest 2, stationary knife 3, moving knife 4, buffering ring 6, lose heart ring 7, piston 8, cylinder 9 and percussion lock 10;

Described knife rest 2, stationary knife 3 and moving knife 4 are pancake, and described knife rest 2 is U-shaped structure, has U-shaped groove in the U-shaped structure of knife rest 2, has installing hole on the right side of knife rest 2;

Described buffering ring 6 and the ring 7 that loses heart are cirque structure, axially have disappointing groove at lose heart ring 7 anchor rings;

Its annexation is: described stationary knife 3 and moving knife 4 are arranged on respectively the U-shaped groove left and right sides of knife rest 2, the installing hole that piston 8 passes respectively lose heart ring 7, buffering ring 6 and knife rest 2 is threaded with moving knife 4, and described cylinder 9 is socketed in piston 8, disappointing ring 7 and buffering ring 6 and is threaded with knife rest 2; Described percussion lock 10 is arranged on the afterbody of cylinder 9.

Also include guide rod 5, have pilot hole on described knife rest 2 right sides, described pilot hole is located at the U-shaped channel opening place of knife rest 2, and the pilot hole that described guide rod 5 passes knife rest 2 is threaded with moving knife 4.

Described stationary knife 3 is fixing by mounting screw 1 with knife rest 2.

Open percussion lock 10, the gas generator of packing into after locking, will be cut thing and be placed between moving knife 4 and stationary knife 3, cocking, and the percussion gas generator, moving knife 4 fast moving are cut off and are cut object.

Adopt the pneumatic cutting nippers of this New Large Caliber, be easy to portable, hand-holdable use, when needs are sheared object, need only be enclosed between moving knife 4 and stationary knife 3 being cut object, just can cut off object in moment, alleviated labor strength, improved operating efficiency, be applicable to speedily carry out rescue work in emergency relief in operation, the emergent counter barrier operations of engineer, vehicle traffic accident, high-altitude, field, down-hole and the non-transformer situation emergency repair operation etc. of operation, electric power telecommunications of speedily carrying out rescue work of earthquake rescue, fire-fighting emergency relief, mine down-hole and require THE ADIABATIC SHEAR IN.

The above is only preferential embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. the pneumatic cutting nippers of heavy caliber, is characterized in that: comprise knife rest (2), stationary knife (3), moving knife (4), buffering ring (6), lose heart ring (7), piston (8), cylinder (9) and percussion lock (10);

Described knife rest (2), stationary knife (3) and moving knife (4) are pancake, and described knife rest (2) is U-shaped structure, have U-shaped groove in the U-shaped structure of knife rest (2), have installing hole on the right side of knife rest (2);

Described buffering ring (6) and the ring (7) that loses heart are cirque structure, axially have disappointing groove at lose heart ring (7) anchor ring;

Its annexation is: described stationary knife (3) and moving knife (4) are arranged on respectively the U-shaped groove left and right sides of knife rest (2), the installing hole that piston (8) passes respectively lose heart ring (7), buffering ring (6) and knife rest (2) is threaded with moving knife (4), and described cylinder (9) is socketed in piston (8), disappointing ring (7) and buffering ring (6) and is threaded with knife rest (2); Described percussion lock (10) is arranged on the afterbody of cylinder (9).

2. the pneumatic cutting nippers of a kind of heavy caliber according to claim 1, it is characterized in that: also include guide rod (5), have pilot hole on described knife rest (2) right side, described pilot hole is located at the U-shaped channel opening place of knife rest (2), and the pilot hole that described guide rod (5) passes knife rest (2) is threaded with moving knife (4).

3. the pneumatic cutting nippers of a kind of heavy caliber according to claim 1 is characterized in that: described stationary knife (3) is fixing by mounting screw (1) with knife rest (2).