CN210127838U - Power tongs clamp - Google Patents

Abstract

The utility model discloses a power tong clamp, including first connecting seat, the second connecting seat that is connected with first connecting seat through the drive shaft and through coupling assembling respectively with the both sides looks articulated clamping head body of first connecting seat and second connecting seat, the clamping head body comprises first tong head and second tong head, the relative mirror image setting of first tong head and second tong head. The utility model relates to a power tong clamp is convenient for the drive shaft to adjust the relative position between first connecting seat and the second connecting seat to be convenient for coupling assembling to drive the first body motion of clamp, thereby adjust the relative position between first tong head and the second tong head, thereby be convenient for adjust the pipe utensil of tong head body to different external diameters and carry out the centre gripping, thereby effectual improvement the utility model discloses a use precision.

Description

Power tongs clamp

Technical Field

The utility model relates to a relevant technical field of power tong specifically is a power tong clamp.

Background

The largest and most burdensome workload of operating workers in the well repairing process is to thread the oil pipes and the drilling tools, and pipe tongs or chain tongs are used in the past, so that the labor intensity is high, and the operation is dangerous. The hydraulic power tongs are mechanical screwing and unscrewing tools operated by the power of the workover rig, so that the labor intensity of workover workers can be greatly reduced, and the occurrence of injury accidents is avoided or reduced. Meanwhile, the hydraulic power tongs strengthen the torsion of the screw threads of the pipe tool and the drilling tool and reduce the occurrence of the tripping accidents of the pipe tool and the drilling tool, and the tongs are used for clamping, fastening or hoisting.

The applicant of the invention finds that the power tong clamp in the prior art has simple structure and single use mode due to the design characteristics of the power tong clamp, is inconvenient to clamp a pipe, and further cannot meet the use requirement of the power tong clamp at present.

To this end, a power tong clamp is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power tong clamp to solve the power tong clamp among the prior art that proposes among the above-mentioned background art because its design characteristics itself, simple structure and using-way are single, are not convenient for carry out the centre gripping to the pipe utensil, and then can't satisfy the problem of present user demand to power tong clamp.

In order to achieve the above object, the utility model provides a following technical scheme: a power tong comprises a first connecting seat, a second connecting seat connected with the first connecting seat through a driving shaft, and a tong head body hinged with two sides of the first connecting seat and the second connecting seat through connecting components respectively, wherein the tong head body consists of a first tong head and a second tong head which are arranged in a mirror image mode; the driving shaft can conveniently adjust the relative position between the first connecting seat and the second connecting seat, so that the connecting assembly can conveniently drive the clamp head body to move, the relative position between the first clamp head and the second clamp head can be adjusted, the clamp head body can be conveniently adjusted to clamp pipes with different outer diameters, and the use precision of the clamp is effectively improved;

one end of the driving shaft penetrates through the first connecting seat and is connected with an output shaft of the power assembly through the connection flange, the driving shaft is connected with the first connecting seat in a sliding mode, and the end, far away from the end connected with the first connecting seat, of the driving shaft is fixedly connected with the second connecting seat, and is in threaded connection or clamped connection with the second connecting seat.

As a preferable aspect of the present invention, the first and second clamp heads are respectively composed of a first clamp body and a second clamp body, the first and second clamp bodies are integrally formed, and a certain included angle is provided between the first and second clamp bodies, the included angle is set to 15 ° -30 °, so that the contact surface between the clamp head body and the pipe tool is converted from surface contact to line contact, even if the contact surface between the clamp head body and the pipe tool is set to be triangular, thereby effectively improving the stability of the clamp head body for clamping the pipe tool, and effectively improving the use accuracy of the present invention;

as a preferable aspect of the present invention, the first pincer body is configured as an "H" shape, one end of the first pincer body is hinged to the first connection base through a connection rotation shaft through one end of the first connection wing plate, and the first connection wing plate is fixedly connected to both sides of the first connection base, so as to facilitate connection of the first pincer body and the first connection base through the first connection wing plate;

as a preferable aspect of the present invention, a sliding groove is provided at a connection point of the second forceps body and an end of the first forceps body, which is far from the connection point of the first connection base, the sliding groove is set to be through, and inner walls of the sliding groove are both set to be smooth arc surfaces, a connection member is provided in the sliding groove, and the second connection member is preferably provided at a highest point of the radian at the connection point of the first forceps body and the second forceps body;

as a preferred aspect of the present invention, the connecting member comprises a second connection wing plate, a first connection shaft sleeve and a second connection shaft sleeve disposed at two ends of the second connection wing plate, the first connection shaft sleeve and the second connection shaft sleeve are respectively fixed at two sides of the second connection wing plate, the first connection shaft sleeve is hinged to the sliding groove via a connection rotating shaft, the inner side of the sliding groove is tangent to the first connection shaft sleeve, the second connection shaft sleeve is hinged to a first limiting plate and a second limiting plate disposed at two sides of the second connection seat via a connection rotating shaft, the first limiting plate and the second limiting plate are respectively fixed at two ends of the second connection seat, the first limiting plate and the second limiting plate are tangent to the second connection shaft sleeve, and the first connection wing plate and the connecting member constitute a connection assembly, thereby facilitating the driving shaft to adjust the relative position between the first connection seat and the second connection seat, therefore, the connecting assembly can drive the clamp head body to move conveniently, so that the relative position between the first clamp head and the second clamp head can be adjusted, the clamp head body can be adjusted conveniently to clamp the pipes with different outer diameters, and the use precision of the clamp head is improved effectively;

as an aspect of the utility model is preferred, still keep away from the buffer spacer who is connected one end with the first pincers body including setting up at the second pincers body, and be provided with the mounting groove with buffer spacer looks adaptation on the second pincers body, and buffer spacer is connected with mounting groove through the polymer adhesive, and then be convenient for through the effectual frictional force that increases the clamp head body between to the pipe utensil of buffer spacer to the effectual stability that increases the clamp head body and carry out the centre gripping to the pipe utensil, thereby effectual improvement the utility model discloses a use precision.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the characteristics of reasonable design and simple operation,

the utility model relates to a power tong which comprises a first connecting seat, a second connecting seat connected with the first connecting seat through a driving shaft, and a tong head body hinged with the two sides of the first connecting seat and the second connecting seat through a connecting component, wherein the tong head body comprises a first tong head and a second tong head, the first tong head and the second tong head are arranged in a relative mirror image manner, one end of the driving shaft penetrates through and is connected with the first connecting seat through a connecting flange and is externally connected with an output shaft of a power component, the driving shaft is connected with the first connecting seat in a sliding manner, the end of the driving shaft far away from the first connecting seat is fixedly connected with the second connecting seat, screwed or clamped, so that the driving shaft can conveniently adjust the relative position between the first connecting seat and the second connecting seat, thereby the connecting component can conveniently drive the tong head body to move, thereby adjusting the relative position between the first tong head and the second tong head, thereby being convenient for adjusting the clamp head body to clamp the pipes with different outer diameters, and effectively improving the use precision of the utility model;

in the utility model, the first clamp head and the second clamp head are respectively composed of the first clamp body and the second clamp body, the first clamp body and the second clamp body are integrally formed, and a certain included angle is arranged between the first clamp body and the second clamp body, the included angle is set to be 15-30 degrees, so that the contact surface between the clamp head body and the pipe tool is converted into line contact by surface contact, even if the contact surface between the clamp head body and the pipe tool is set to be triangular, thereby effectively improving the stability of clamping the pipe tool by the clamp head body, and effectively improving the use precision of the utility model;

drawings

FIG. 1 is a schematic structural view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the front view of fig. 1 in the present invention;

fig. 3 is a schematic structural view of the side view of fig. 1 in the present invention;

fig. 4 is a schematic structural diagram of the top view of fig. 1 in the present invention;

fig. 5 is a schematic structural view of a half-sectional view of the present invention;

fig. 6 is a schematic structural view of the front view of fig. 5 in the present invention.

In the figure: 1-a first connecting seat, 10-a first connecting wing plate, 2-a second connecting seat, 21-a first limiting plate, 22-a second limiting plate, 3-a driving shaft, 31-a connecting flange, 4-a first clamp head, 5-a second clamp head, 451-a first clamp body, 452-a second clamp body, 6-a sliding groove, 7-a second connecting wing plate, 71-a first connecting shaft sleeve, 72-a second connecting shaft sleeve and 8-a buffer gasket

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a technical solution: a power tong comprises a first connecting seat 1, a second connecting seat 2 connected with the first connecting seat 1 through a driving shaft 3, and a tong head body hinged with two sides of the first connecting seat 1 and the second connecting seat 2 through connecting components respectively, wherein the tong head body is composed of a first tong head 4 and a second tong head 5, the first tong head 4 and the second tong head 5 are arranged in a relative mirror image mode, one end of the driving shaft 3 penetrates through the first connecting seat 1 and is connected with an output shaft of a power component through a connecting flange 31 in an external connection mode, the driving shaft 3 is connected with the first connecting seat 1 in a sliding mode, one end, far away from the end connected with the first connecting seat 1, of the driving shaft 3 is fixedly connected with the second connecting seat 2 in a threaded connection mode or in a clamping connection mode, and then the driving shaft 3 can conveniently adjust the relative position between the first connecting seat 1 and the second connecting seat 2, so that the tong head body can be conveniently driven to, thereby adjusting the relative position between the first clamp head 4 and the second clamp head 5, and being convenient for adjusting the clamp head body to clamp the pipes with different outer diameters, thereby effectively improving the use precision of the utility model;

referring to fig. 1 and fig. 2, the first tong head 4 and the second tong head 5 are respectively composed of a first tong body 451 and a second tong body 452, the first tong body 451 and the second tong body 452 are integrally formed, and a certain included angle is formed between the first tong body 451 and the second tong body 452, the included angle is set to be 15-30 degrees, so that the contact surface between the tong head body and the pipe is converted from surface contact to line contact, even if the contact surface between the tong head body and the pipe is set to be triangular, thereby effectively improving the stability of the tong head body for clamping the pipe, and effectively improving the use precision of the pipe clamping device;

referring to fig. 1 and 3, the first pincer body 451 is formed in an "H" shape, one end of the first pincer body 451 is hinged to the first connection base 1 through one end of the first connection wing plate 10 via a connection rotation shaft, the first connection wing plate 10 is fixedly connected to two sides of the first connection base 1, so that the first pincer body 451 is conveniently connected to the first connection base 1 via the first connection wing plate 10,

referring to fig. 1 and 4, in detail, a sliding groove 6 is disposed at a connection position between one end of the first pincer body 451, which is far away from the connection with the first connection seat 1, and the second pincer body 452, the sliding groove 6 is disposed to be through, inner walls of the sliding groove 6 are both disposed to be smooth arc surfaces, a connection member is disposed in the sliding groove 6, the second connection member is disposed at the highest point of the radian at the connection position between the first pincer body 451 and the second pincer body 452, the connection member is composed of a second connection wing plate 7, a first connection shaft sleeve 71 and a second connection shaft sleeve 72 disposed at two ends of the second connection wing plate 7, the first connection shaft sleeve 71 and the second connection shaft sleeve 72 are respectively fixed at two sides of the second connection wing plate 7, the first connection shaft sleeve 71 is hinged to the sliding groove 6 by a connection rotation shaft, an inner side of the sliding groove 6 is tangent to the first connection shaft sleeve 71, the second connection shaft sleeve 72 is hinged to the first limit plate 21 and the second limit plate 22 disposed at two sides of the second connection seat 2 by, the first limiting plate 21 and the second limiting plate 22 are respectively and fixedly arranged at two ends of the second connecting seat 2, the first limiting plate 21 and the second limiting plate 22 are respectively tangent to the second connecting shaft sleeve 72, the first connecting wing plate 10 and the connecting piece form a connecting assembly, and further the driving shaft 3 can conveniently adjust the relative position between the first connecting seat 1 and the second connecting seat 2, so that the connecting assembly can conveniently drive the clamp head body to move, the relative position between the first clamp head 4 and the second clamp head 5 can be adjusted, and the clamp head body can be conveniently adjusted to clamp pipes with different outer diameters, so that the use precision of the utility model is effectively improved;

please participate in fig. 5 and fig. 6 specifically, still including setting up and keeping away from the buffer spacer 8 that is connected one end with first pincers body 451 at second pincers body 452, and be provided with the mounting groove with buffer spacer 8 looks adaptation on the second pincers body 452, and buffer spacer 8 is connected with mounting groove through the polymer adhesive, and then be convenient for through buffer spacer 8 effectual increase the friction of clamp head body between to the pipe utensil to the effectual stability that has increased the clamp head body and carry out the centre gripping to the pipe utensil, thereby the effectual improvement the utility model discloses a use precision.

The working principle is as follows: by arranging a first connecting seat 1, a second connecting seat 2 connected with the first connecting seat 1 through a driving shaft 3 and a clamp head body respectively hinged with two sides of the first connecting seat 1 and the second connecting seat 2 through a connecting component, wherein the clamp head body is composed of a first clamp head 4 and a second clamp head 5, the first clamp head 4 and the second clamp head 5 are arranged in a relative mirror image mode, one end of the driving shaft 3 penetrates through the first connecting seat 1 and is connected with an output shaft of a power component through a connecting flange 31, the driving shaft 3 is connected with the first connecting seat 1 in a sliding mode, one end, far away from the end connected with the first connecting seat 1, of the driving shaft 3 is fixedly connected with the second connecting seat 2, in a threaded connection or clamping connection mode, the driving shaft 3 is convenient to adjust the relative position between the first connecting seat 1 and the second connecting seat 2, the connecting component is convenient to drive the clamp head body to move, and the relative position between the first clamp head 4 and the second clamp head 5 is adjusted, thereby being convenient for adjusting the clamp head body to clamp the pipes with different outer diameters, and effectively improving the use precision of the utility model;

in the utility model, the first clamp head 4 and the second clamp head 5 are respectively composed of the first clamp body 451 and the second clamp body 452, the first clamp body 451 and the second clamp body 452 are integrally formed, a certain included angle is arranged between the first clamp body 451 and the second clamp body 452, the included angle is set to be 15-30 degrees, further the contact surface between the clamp head body and the pipe tool is converted into line contact by surface contact, even if the contact surface between the clamp head body and the pipe tool is set to be triangular, thereby effectively improving the stability of the clamp head body for clamping the pipe tool, and effectively improving the use precision of the utility model;

the using method comprises the following steps: the driving shaft 3 is convenient to adjust the relative position between the first connecting seat 1 and the second connecting seat 2, thereby the connecting component is convenient to drive the clamp head body to move, thereby adjusting the relative position between the first and second bits 4 and 5, thereby facilitating adjustment of the bit body for gripping pipes of different outer diameters, the first and second bodies 51 and 452 being integrally formed, and a certain included angle is arranged between the first clamp body 451 and the second clamp body 452, the included angle is set to be 15-30 degrees, thereby the contact surface between the clamp head body and the pipe is changed from surface contact to line contact, even if the contact surface between the clamp head body and the pipe is triangular, thereby effectual improved the stability that the clamp head body carries out the centre gripping to the pipe utensil, through the effectual frictional force that increases the clamp head body between to the pipe utensil of buffer spacer 8 to further increase the stability that the clamp head body carries out the centre gripping to the pipe utensil.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A power tong clamp, characterized by: the clamp head comprises a first connecting seat (1), a second connecting seat (2) connected with the first connecting seat (1) through a driving shaft (3) and a clamp head body hinged to the two sides of the first connecting seat (1) and the second connecting seat (2) through a connecting assembly respectively, wherein the clamp head body is composed of a first clamp head (4) and a second clamp head (5), and the first clamp head (4) and the second clamp head (5) are arranged in a mirror image mode relatively;

one end of the driving shaft (3) penetrates through the first connecting seat (1) and is connected with an output shaft of the power assembly through the connecting flange (31) in an external mode, the driving shaft (3) is connected with the first connecting seat (1) in a sliding mode, and one end, connected with the first connecting seat (1), of the driving shaft (3) is far away from the second connecting seat (2) in a fixedly connected mode, in a screwed mode or in a clamped mode.

2. A power tong as defined in claim 1, wherein: the first clamp head (4) and the second clamp head (5) are respectively composed of a first clamp body (451) and a second clamp body (452), the first clamp body (451) and the second clamp body (452) are integrally formed, a certain included angle is formed between the first clamp body (451) and the second clamp body (452), and the included angle is set to be 15-30 degrees.

3. A power tong as defined in claim 2, wherein: the first pliers body (451) is H-shaped, one end of the first pliers body (451) is hinged to the first connecting seat (1) through a connecting rotating shaft through one end of a first connecting wing plate (10), and the first connecting wing plate (10) is fixedly connected with the two sides of the first connecting seat (1).

4. A power tong as defined in claim 3, wherein: the clamp is characterized in that a sliding groove (6) is formed in the joint of one end, far away from the first connecting seat (1), of the first clamp body (451) and the second clamp body (452), the sliding groove (6) is arranged to be penetrating, the inner wall of the sliding groove (6) is arranged to be a smooth arc surface, and a connecting piece is arranged in the sliding groove (6).

5. A power tong as defined in claim 4, wherein: the connecting piece comprises a second connecting wing plate (7), a first connecting shaft sleeve (71) and a second connecting shaft sleeve (72) which are arranged at two ends of the second connecting wing plate (7), the first connecting shaft sleeve (71) and the second connecting shaft sleeve (72) are respectively fixedly arranged at two sides of the second connecting wing plate (7), the first connecting shaft sleeve (71) is hinged with the sliding groove (6) through a connecting rotating shaft, the inner side of the sliding groove (6) is tangent to the first connecting shaft sleeve (71), the second connecting shaft sleeve (72) is also hinged with a first limiting plate (21) and a second limiting plate (22) which are arranged at two sides of the second connecting seat (2) through a connecting rotating shaft, the first limiting plate (21) and the second limiting plate (22) are respectively fixedly arranged at two ends of the second connecting seat (2), and the first limiting plate (21) and the second limiting plate (22) are respectively tangent to the second connecting shaft sleeve (72), and the first connection wing plate (10) and the connecting piece constitute a connection assembly.

6. A power tong as defined in any one of claims 1 to 5, wherein: the clamp is characterized by further comprising a buffer gasket (8) which is arranged at the second clamp body (452) and far away from one end connected with the first clamp body (451), an installation groove matched with the buffer gasket (8) is formed in the second clamp body (452), and the buffer gasket (8) is connected with the installation groove through a high polymer adhesive.

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