CN216788335U

CN216788335U - Chain type drill rod dismantling pliers

Info

Publication number: CN216788335U
Application number: CN202121962547.1U
Authority: CN
Inventors: 张万良
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-06-21
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses chain type drill rod dismantling tongs which comprise a tong head arranged at one end of a tong handle, wherein a portable balance handle is fixedly connected to one side of the top of the tong handle; one end of the tong handle is provided with a first positioning pin shaft corresponding to the tong head, one side of the bottom of the tong head is provided with a connecting groove, and the center of the top of the tong head is fixedly connected with a slip; the chain locking mechanism is arranged between the tong handle and the tong head and comprises an arc-shaped chain connecting piece, a locking chain, a second positioning pin shaft and a connecting piece, the top of one end of the tong handle is rotatably connected with the arc-shaped chain connecting piece, the top of the arc-shaped chain connecting piece is rotatably connected with the locking chain, and the center of the bottom of the arc-shaped chain connecting piece is provided with the second positioning pin shaft corresponding to the tong handle. The utility model can reduce the whole weight through the fish-shaped clamp handle, and simultaneously does not influence the strength of the clamp body, and the drill rod disassembling clamp has the advantages of simple structure, easy operation, portability and large disassembling range, and is suitable for the disassembly of the drill rod in the field.

Description

Chain type drill rod dismantling pliers

Technical Field

The utility model relates to the field of drill rod dismantling tongs, in particular to a chain type drill rod dismantling tong.

Background

The pliers are hand tools used for clamping and fixing a processing workpiece or twisting, bending and shearing a metal wire; the shape of the pliers is V-shaped, and the pliers generally comprise a handle, a cheek and a mouth; the pliers are generally made of carbon structural steel, and are firstly forged and rolled into a pliers blank shape, then subjected to metal cutting processing such as grinding, milling, polishing and the like, and finally subjected to heat treatment; the pliers are widely used, and are hand tools for clamping, kneading and shearing workpieces, which are indispensable to assembly, repair, installation and other works in various industries. But it has a common basic structure, namely any hand pliers county is composed of three parts, namely a pliers head, a pin and a pliers handle; the basic principle of the pliers is that two levers are utilized, and are connected together in a cross mode through a pin at one point in the middle portion, so that two ends can move relatively, and an object can be pinched by the other end only by operating the tail end of the pliers with a hand. In order to reduce the force used by a user during operation, according to the lever principle in mechanics, the forceps handle is usually longer than the forceps head, so that stronger clamping force can be obtained with smaller force to meet the use requirement.

The drill rod dismantling clamp is a clamp specially used for dismantling a drill rod, the structural design of the existing drill rod dismantling clamp in the current market is too simple, the clamp is inconvenient to use, the biting force of the drill rod is not uniform enough when the drill rod is dismantled, the serious abrasion of the drill rod is easily caused, and the existing drill rod dismantling clamp can only dismantle a drill rod with one specification and is poor in universality.

It is therefore desirable to provide a chain type pipe dismantling tong to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The technical problems to be solved by the utility model are that the existing drill rod dismantling tongs are too simple in structural design and inconvenient to use, the gripping force on a drill rod is not uniform enough when the drill rod is dismantled, the drill rod is easily seriously abraded, and meanwhile, the existing drill rod dismantling tongs can only dismantle drill rods with one specification generally, and the universality is poor.

In order to solve the technical problems, the utility model adopts a technical scheme that: the chain type drill rod dismantling clamp comprises a clamp head arranged at one end of a clamp handle, wherein a portable balance handle is fixedly connected to one side of the top of the clamp handle;

one end of the tong handle is provided with a first positioning pin shaft corresponding to the tong head, one side of the bottom of the tong head is provided with two connecting grooves, and the center of the top of the tong head is fixedly connected with a slip;

a chain locking mechanism is arranged between the tong handle and the tong head and comprises an arc-shaped chain connecting piece, a locking chain, a second positioning pin shaft and a connecting piece, the top of one end of the tong handle is rotationally connected with the arc-shaped chain connecting piece, the top end of the arc-shaped chain connecting piece is rotationally connected with the locking chain, the center of the bottom of the arc-shaped chain connecting piece is provided with the second positioning pin shaft corresponding to the tong handle, and one end of the locking chain, far away from the tong handle, is provided with the connecting piece corresponding to the tong head;

a drill rod to be disassembled is arranged between the clamp handle and the locking chain, and a positioning screw corresponding to the clamp handle is installed at the bottom of the clamp head.

Preferably, the clamp handle is designed in a fish shape, and the overall weight of the clamp handle in the fish shape can be reduced, and meanwhile, the strength of the clamp body is not affected.

Preferably, the portable balance handle and the clamp handle are integrally cast, so that the structure is simple and firm, and the firmness of the portable balance handle and the clamp handle can be ensured.

Preferably, the binding clip is rotatably connected with the handle, and the binding clip is rotatably connected with the handle, so that the binding clip can rotate by an angle as required when the drill rod to be disassembled is disassembled.

Preferably, the connecting groove is designed into a U-shaped structure, and the connecting groove designed into the U-shaped structure can lock and position the connecting piece.

Preferably, the clamp is provided with a pin hole corresponding to the first positioning pin shaft and the second positioning pin shaft at one end close to the clamp head, the two pin holes can play a role in installing and positioning the first positioning pin shaft and the second positioning pin shaft, and meanwhile, the two pin holes on the clamp handle can freely adjust the angle of the clamp head and the angle of the locking chain and are matched with the slips, so that the clamping and releasing of the drill rod to be disassembled are achieved, and the drill rod to be disassembled can be easily disassembled.

Preferably, the connecting piece rotates with the locking chain to be connected, and the connecting piece keeps away from the mutual block of spread groove that the one end of locking chain and binding clip bottom one side were seted up, through the mutual block of spread groove that the one end of keeping away from the locking chain with the connecting piece was seted up in binding clip bottom one side to the chucking that can utilize locking chain and binding clip to accomplish to treat to dismantle the drilling rod is fixed, thereby is convenient for treat to dismantle the drilling rod and easily dismantles.

The utility model has the following beneficial effects:

1. according to the utility model, by designing the fish-shaped clamp handle, the overall weight can be reduced, the strength of the clamp body is not influenced, and the drill rod disassembling clamp has the advantages of simple structure, easiness in operation, portability and large disassembling range, and is suitable for disassembling a drill rod in the field;

2. according to the utility model, by designing the movably-installed locking chain, the chain can be increased or decreased according to the diameter of the disassembled drill rod, so that the application range of the drill rod can be enlarged;

3. according to the utility model, by designing a simple locking mechanism, the angle can be automatically adjusted according to the diameter of the drill rod, so that the slips can be tightly engaged with the drill rod, and the abrasion to the drill rod can be reduced.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a schematic view of the handle of the present invention;

FIG. 3 is a schematic structural view of a binding clip according to the present invention;

FIG. 4 is a bottom view of the pliers head of the present invention;

fig. 5 is a schematic structural view of the chain lock mechanism of the present invention.

In the figure: 1. a clamp handle; 2. carrying a balance handle by hand; 3. a binding clip; 4. a first positioning pin shaft; 5. connecting grooves; 6. slips; 7. locking the chain; 8. the drill rod is to be disassembled; 9. a second positioning pin shaft; 10. a connecting member; 11. a set screw; 12. an arcuate link.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1, a chain type pipe dismantling tong comprises a tong head 3 mounted at one end of a tong handle 1, wherein the tong head 3 is rotatably connected with the tong handle 1, and the tong head 3 is rotatably connected with the tong handle 1, so that the tong head 3 can rotate at an angle as required when a drill pipe 8 to be dismantled is dismantled.

One side of the top of the forceps handle 1 is fixedly connected with a portable balance handle 2; the clamp handle 1 is designed in a fish shape, and the clamp handle 1 in the fish shape not only can reduce the whole weight, but also does not influence the strength of the clamp body; the portable balance handle 2 and the pliers handle 1 are integrally poured and formed, so that the structure is simple and firm, and the firmness of the portable balance handle 2 and the pliers handle 1 can be ensured.

As shown in fig. 3, one end of the handle 1 is provided with a first positioning pin shaft 4 corresponding to the binding clip 3, one side of the bottom of the binding clip 3 is provided with two connecting grooves 5, the connecting grooves 5 are designed in a U-shaped structure, and the connecting grooves 5 designed in the U-shaped structure can lock and position the connecting piece 10; the centre of the top of the tong head 3 is fixedly connected with a slip 6;

as shown in fig. 5, a chain locking mechanism is installed between the handle 1 and the head 3, the chain locking mechanism includes an arc-shaped link 12, a locking chain 7, a second positioning pin 9 and a connecting piece 10, the top of one end of the handle 1 is rotatably connected with the arc-shaped link 12, the top of the arc-shaped link 12 is rotatably connected with the locking chain 7, the center of the bottom of the arc-shaped link 12 is provided with the second positioning pin 9 corresponding to the handle 1, the second positioning pin 9 is used for connecting the arc-shaped link 12, one end of the locking chain 7 away from the handle 1 is provided with the connecting piece 10 corresponding to the head 3, and the locking chain 7 can be increased or decreased according to the diameter of the drill rod 8 to be disassembled, so as to enlarge the application range; connecting piece 10 rotates with locking chain 7 to be connected, and connecting piece 10 keeps away from the mutual block of spread groove 5 that locking chain 7's one end and binding clip 3 bottom one side were seted up, through the mutual block of spread groove 5 that locking chain 7's one end and binding clip 3 bottom one side were seted up with connecting piece 10 to it is fixed to let can utilize locking chain 7 and binding clip 3 to accomplish the chucking of treating dismantlement drilling rod 8, thereby the drilling rod 8 of being convenient for to treat dismantlement is easily dismantled.

As shown in figure 2, the clamp 1 is close to the one end of binding clip 3 and has been seted up the pinhole corresponding with first locating pin axle 4 and second locating pin axle 9 respectively, two pinholes can play the installation positioning effect to first locating pin axle 4 and second locating pin axle 9, two pinholes on the clamp 1 simultaneously, can freely adjust the angle of binding clip 3 and locking chain 7, cooperate slips 6 again, thereby reach and treat the clamp of dismantling drilling rod 8 tightly and relax, thereby can easily dismantle and wait to dismantle drilling rod 8, according to waiting to dismantle 8 diameter automatically regulated angles of drilling rod, it is inseparabler to make slips 6 treat the interlock of dismantling drilling rod 8, make it alleviate the wearing and tearing to the drilling rod.

As shown in fig. 4, a drill rod 8 to be disassembled is arranged between the handle 1 and the locking chain 7, a positioning screw 11 corresponding to the handle 1 is installed at the bottom of the binding clip 3, the positioning screw 11 can play a role in locking and positioning the handle 3 during disassembly, and can also adjust the angle between the handle 1 and the handle 3, so that the connection between the connecting piece 10 and the handle 3 is more convenient.

When the tool is used, the number of chains of the locking chain 7 is increased or decreased according to the diameter of a drill rod 8 to be disassembled, the slips 6 of the tong head 3 are clamped on the outer wall of the drill rod 8 to be disassembled, then the locking chain 7 is wound on the outer wall of the drill rod 8 to be disassembled, one end, far away from the locking chain 7, of the connecting piece 10 is mutually clamped with the connecting groove 5 formed in one side of the bottom of the tong head 3, so that the drill rod 8 to be disassembled can be clamped and fixed by using the locking chain 7 and the tong head 3, the tong head 3 is locked and positioned by using the positioning screw 11, and the tong handle 1 is rotated, so that the drill rod 8 to be disassembled can be easily disassembled.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a pincers are dismantled to chain formula drilling rod which characterized in that: the clamp comprises a clamp head (3) arranged at one end of a clamp handle (1), wherein a portable balance handle (2) is fixedly connected to one side of the top of the clamp handle (1);

a first positioning pin shaft (4) corresponding to the tong head (3) is mounted at one end of the tong handle (1), two connecting grooves (5) are formed in one side of the bottom of the tong head (3), and a slip (6) is fixedly connected to the center of the top of the tong head (3);

a chain locking mechanism is arranged between the tong handle (1) and the tong head (3), the chain locking mechanism comprises an arc-shaped link element (12), a locking chain (7), a second positioning pin shaft (9) and a connecting element (10), the top of one end of the tong handle (1) is rotatably connected with the arc-shaped link element (12), the top of the arc-shaped link element (12) is rotatably connected with the locking chain (7), the center of the bottom of the arc-shaped link element (12) is provided with the second positioning pin shaft (9) corresponding to the tong handle (1), and one end of the locking chain (7) far away from the tong handle (1) is provided with the connecting element (10) corresponding to the tong head (3);

a drill rod (8) to be disassembled is arranged between the clamp handle (1) and the locking chain (7), and a positioning screw (11) corresponding to the clamp handle (1) is installed at the bottom of the clamp head (3).

2. The chain type pipe dismantling tong of claim 1, wherein: the clamp handle (1) is designed in a fish shape.

3. A chain type pipe dismantling tong as claimed in claim 1, wherein: the portable balance handle (2) and the pliers handle (1) are integrally cast.

4. A chain type pipe dismantling tong as claimed in claim 1, wherein: the clamp head (3) is rotationally connected with the clamp handle (1).

5. The chain type pipe dismantling tong of claim 1, wherein: the connecting groove (5) is designed into a U-shaped structure.

6. A chain type pipe dismantling tong as claimed in claim 1, wherein: and pin holes corresponding to the first positioning pin shaft (4) and the second positioning pin shaft (9) are respectively formed in one end, close to the binding clip (3), of the binding clip (1).

7. A chain type pipe dismantling tong as claimed in claim 1, wherein: the connecting piece (10) is rotationally connected with the locking chain (7), and one end of the connecting piece (10) far away from the locking chain (7) is mutually clamped with the connecting groove (5) formed in one side of the bottom of the tong head (3).