SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a screw nut assembly and disassembly tools to overcome above-mentioned technical defect.
In order to solve the technical problem, the utility model provides a screw nut assembly and disassembly tools, it includes two sleeves that establish perpendicularly mutually, is first sleeve and second sleeve respectively, first telescopic one port is used for grafting wind big gun axis of rotation, another port fixed connection initiative bevel gear, the driven bevel gear of telescopic one port fixed connection of second, driven bevel gear with the initiative bevel gear meshing is connected, the telescopic other one port of second is used for joint screw nut.
The utility model discloses a screw nut assembly and disassembly tools's dismouting method has still been protected: with screw nut assembly and disassembly tools's second sleeve joint in treating dismouting screw nut, handheld wind big gun, insert the first telescopic port of screw nut assembly and disassembly tools with wind big gun axis of rotation, it is rotatory that the wind big gun passes through the wind big gun axis of rotation as the power supply and drives the drive bevel gear, the driven bevel gear of drive bevel gear meshing to driven bevel gear transmission moment of torsion, driven bevel gear transmits the moment of torsion to the second sleeve, the dismouting screw nut is treated in the rotatory dismouting of second sleeve.
Preferably, the first sleeve and the driving bevel gear are of an integral structure, and the second sleeve and the driven bevel gear are of an integral structure.
The screw and nut dismounting tool further comprises a shell, the driving bevel gear and the driven bevel gear are embedded in the shell, the shell is a curved spherical body formed by two planes and an arc-shaped surface, one plane is used for penetrating and sealing the driving bevel gear, the other plane is used for penetrating and sealing the driven bevel gear, and the arc-shaped surface is opposite to the meshing surface of the driving bevel gear and the driven bevel gear.
Furthermore, the screw and nut dismounting tool further comprises a shell, the first sleeve, the driving bevel gear and the driven bevel gear are all embedded in the shell, the second sleeve is arranged outside the shell, the shell is a cuboid cavity, one surface of any two vertical surfaces of the cuboid shell is used for penetrating and sealing the first sleeve and the driving bevel gear, and the other surface of the cuboid shell is used for penetrating and sealing the driven bevel gear.
Preferably, the first sleeve and the drive bevel gear are coaxial, the second sleeve and the driven bevel gear are coaxial, and the drive bevel gear and the driven bevel gear are perpendicular to each other.
Preferably, the inner wall of the shell is provided with limit grooves at positions opposite to the tooth tops of the driving bevel gear and the driven bevel gear respectively.
Preferably, a limiting plate opposite to the meshing surface of the driving bevel gear and the driven bevel gear is arranged between the two adjacent limiting grooves, a gap is reserved between the limiting plate and the meshing surface, a lubricating grease injection channel for injecting lubricating grease is arranged between the hollow cavity or the solid cavity between the limiting plate and the shell, an inlet hole of the lubricating grease injection channel is formed in the outer wall of the shell, and an outlet hole of the lubricating grease injection channel is opposite to the gear surface of the driving bevel gear or the gear surface of the driven bevel gear or opposite to the meshing surface of the driving bevel gear and the driven bevel gear.
Furthermore, the shape of the port of the first sleeve, which is used for being inserted with the wind cannon rotating shaft, is quadrilateral, and is the same as the square head shape of the wind cannon rotating shaft.
Preferably, the first sleeve and the second sleeve are both magnetic sleeves.
The utility model has the advantages as follows:
the utility model discloses a two mutually perpendicular bevel gears realize the perpendicular transmission of moment of torsion, and especially this screw nut assembly and disassembly tools can stretch into the lower plane of flange, has solved under the flange plane because the hindrance of distance and angle leads to the problem that can't use wind big gun and afterburning thick stick perpendicularly, and it is inhomogeneous to have avoided flange screw diagonal angle atress to reach the weeping that exists under the high pressure condition, the risk such as well head flange stabs, the steel ring stabs, also reduced and prevented the environmental protection risk that personnel are injured and liquid stabs.
In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
In the present invention, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the screw and nut attaching and detaching tool described in this specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
First embodiment
The utility model discloses a first embodiment relates to a screw nut assembly and disassembly tools, refer to fig. 1, and it includes two sleeves that perpendicular looks was established, is first sleeve 1 and second sleeve 4 respectively, a port of first sleeve 1 is used for grafting wind big gun axis of rotation 7, another port fixed connection initiative bevel gear 2, a port fixed connection driven bevel gear 3 of second sleeve 4, driven bevel gear 3 with initiative bevel gear 2 meshes the connection, another port of second sleeve 4 is used for joint screw nut.
The screw nut assembly and disassembly tools of this embodiment protection's working process as follows:
with screw nut assembly and disassembly tools's second sleeve 4 joint in treating dismouting screw nut, handheld wind big gun, insert in screw nut assembly and disassembly tools's first sleeve 1's port with wind big gun axis of rotation 7, it is rotatory that wind big gun passes through wind big gun axis of rotation 7 drive initiative bevel gear 2 as the power supply, the driven bevel gear 3 of 2 meshing of initiative bevel gear, and to the 3 transmission moments of torque of driven bevel gear, driven bevel gear 3 transmits the moment of torsion to second sleeve 4, dismouting screw nut is treated in the rotatory dismouting of second sleeve 4.
Specifically, in the field of oilfield machinery, a common method for disassembling a flange screw of a wellhead is a special hexagonal knocking wrench, a matching tool of the hexagonal knocking wrench is a stressing bar, but due to shielding of accessories such as a wellhead platform and an oil sleeve blowout pipeline, personnel operation is relatively difficult, the flange screw is used for more than 90min when being disassembled and assembled once, the flange screw is longer in use under the condition that the personnel are tired, the diagonal stress of the flange screw is uneven, the risks such as liquid leakage rectification, puncture of a wellhead flange and a steel ring and the like exist under the condition of high pressure, the use time is longer, and the environmental protection risks of personal injury and liquid puncture also exist. The screw and nut assembling and disassembling tool of the utility model has compact structure, is not obstructed by sheltering objects, can assemble and disassemble the screw and nut on the lower surface of the flange, has even stress on the opposite angles of the flange screw, and can not cause the problems of liquid leakage, puncture of the flange of the well mouth and puncture of the steel ring even under the high pressure condition; in addition, the screw and nut dismounting tool is matched with the air cannon to be used, the air cannon provides power, the labor intensity of workers is reduced, the working efficiency is improved, and the dismounting and mounting of the wellhead flange screw are not difficult in working.
Second embodiment
The utility model discloses a second embodiment relates to a screw nut assembly and disassembly tools, refer to fig. 1, and it includes two sleeves that perpendicular looks was established, is first sleeve 1 and second sleeve 4 respectively, a port of first sleeve 1 is used for grafting wind big gun axis of rotation 7, another port fixed connection initiative bevel gear 2, a port fixed connection driven bevel gear 3 of second sleeve 4, driven bevel gear 3 with initiative bevel gear 2 meshes the connection, another port of second sleeve 4 is used for joint screw nut.
Specifically, as shown in fig. 2, the screw and nut dismounting tool further includes a housing 5, the driving bevel gear 2 and the driven bevel gear 3 are both embedded in the housing 5, the housing 5 is a curved spherical body composed of two planes and an arc-shaped surface, one of the planes is used for penetrating and sealing the driving bevel gear 2, the other plane is used for penetrating and sealing the driven bevel gear 3, and the arc-shaped surface faces the meshing surface of the driving bevel gear 2 and the driven bevel gear 3.
The screw nut assembly and disassembly tools of this embodiment protection's working process as follows:
with screw nut assembly and disassembly tools's second sleeve 4 joint in treating dismouting screw nut, handheld wind big gun, insert in screw nut assembly and disassembly tools's first sleeve 1's port with wind big gun axis of rotation 7, it is rotatory that wind big gun passes through wind big gun axis of rotation 7 drive initiative bevel gear 2 as the power supply, the driven bevel gear 3 of 2 meshing of initiative bevel gear, and to the 3 transmission moments of torque of driven bevel gear, driven bevel gear 3 transmits the moment of torsion to second sleeve 4, dismouting screw nut is treated in the rotatory dismouting of second sleeve 4.
The embodiment is different from the first embodiment in that the driving bevel gear 2 and the driven bevel gear 3 are both embedded in the housing 5, and the purpose of the housing 5 is to protect the driving bevel gear 2 and the driven bevel gear 3 and prevent impurities and dust from falling; on the basis of purpose one, purpose two, the casing 5 of curved surface spheroid can be more convenient use screw nut assembly and disassembly tools in the oilfield equipment of non-vertical state, and the arcwall face of casing 5 has reduced the area of contact who shelters from the thing with oilfield equipment, and then gets into anomalous space more easily, provides more spaces for screw nut's dismouting.
Third embodiment
The utility model discloses a third embodiment relates to a screw nut assembly and disassembly tools, refer to fig. 1, and it includes two sleeves that perpendicular looks was established, is first sleeve 1 and second sleeve 4 respectively, a port of first sleeve 1 is used for grafting wind big gun axis of rotation 7, another port fixed connection initiative bevel gear 2, a port fixed connection driven bevel gear 3 of second sleeve 4, driven bevel gear 3 with initiative bevel gear 2 meshes the connection, another port of second sleeve 4 is used for joint screw nut.
Specifically, as shown in fig. 3, the screw and nut dismounting tool further includes a housing 5, the first sleeve 1, the drive bevel gear 2 and the driven bevel gear 3 are all embedded in the housing 5, the second sleeve 4 is disposed outside the housing 5, the housing 5 is a rectangular hollow cavity, one of any two vertical surfaces of the rectangular housing 5 is used for passing through and sealing the first sleeve 1 and the drive bevel gear 2, and the other surface of the rectangular housing is used for passing through and sealing the driven bevel gear 3.
The screw nut assembly and disassembly tools of this embodiment protection's working process as follows:
with screw nut assembly and disassembly tools's second sleeve 4 joint in treating dismouting screw nut, handheld wind big gun, insert in screw nut assembly and disassembly tools's first sleeve 1's port with wind big gun axis of rotation 7, it is rotatory that wind big gun passes through wind big gun axis of rotation 7 drive initiative bevel gear 2 as the power supply, the driven bevel gear 3 of 2 meshing of initiative bevel gear, and to the 3 transmission moments of torque of driven bevel gear, driven bevel gear 3 transmits the moment of torsion to second sleeve 4, dismouting screw nut is treated in the rotatory dismouting of second sleeve 4.
It should be noted that the structure and shape of the housing 5 may be various, and the present embodiment provides a rectangle different from the second embodiment, on one hand, because the screw nut portion to be disassembled and assembled of the existing oilfield equipment is in a vertical state/non-vertical state, the rectangular housing 5 can easily complete the disassembling and assembling of the screw nut in two states, and on the other hand, the regular rectangular parallelepiped shape is also convenient for processing.
Fourth embodiment
On the basis of the above embodiment, as a further optimization, the first sleeve 1 and the drive bevel gear 2 are coaxial, the second sleeve 4 and the driven bevel gear 3 are coaxial, and the drive bevel gear 2 and the driven bevel gear 3 are perpendicular to each other.
In order to avoid the influence of the shaking of the driving bevel gear 2 and the driven bevel gear 3 during rotation on the assembly and disassembly of the screw nut, in the embodiment, the inner wall of the shell 5 is provided with limit grooves 6 respectively at positions facing the tooth tops of the driving bevel gear 2 and the driven bevel gear 3, specifically referring to fig. 2 and 3.
In order to increase the contact area between the wind cannon rotating shaft 7 and the port of the first sleeve 1, the port of the first sleeve 1 for inserting the wind cannon rotating shaft 7 is polygonal, and the head of the wind cannon rotating shaft is square, so that in order to maximize the contact area, the port of the first sleeve 1 for inserting the wind cannon rotating shaft 7 is preferably quadrilateral and has the same shape as the square of the wind cannon rotating shaft 7.
In addition, the shape of the port of the second sleeve 4 for clamping the screw nut is the same as the shape of the screw nut, and specifically, the second sleeve 4 matching with the size and shape can be manufactured according to the size and shape of the screw nut in the operation area, for example, the port of the second sleeve 4 for clamping the screw nut is hexagonal, so that the hexagonal screw nut can be disassembled.
In order to firmly grasp the screw and nut to be disassembled and firmly connect with the wind cannon, the first sleeve 1 and the second sleeve 4 are both magnetic sleeves.
Fifth embodiment
This embodiment provides a screw nut assembly and disassembly tools, and it includes two sleeves that perpendicular looks was established, is first sleeve 1 and second sleeve 4 respectively, a port of first sleeve 1 is used for grafting wind big gun axis of rotation 7, another port fixed connection drive bevel gear 2, a port fixed connection driven bevel gear 3 of second sleeve 4, driven bevel gear 3 with drive bevel gear 2 meshing connection, another port of second sleeve 4 is used for joint screw nut.
Specifically, the screw and nut dismounting tool further comprises a housing 5, the driving bevel gear 2 and the driven bevel gear 3 are both embedded in the housing 5, the housing 5 is a curved spherical body composed of two planes and an arc-shaped surface, one plane is used for penetrating and sealing the driving bevel gear 2, the other plane is used for penetrating and sealing the driven bevel gear 3, and the arc-shaped surface is opposite to the meshing surfaces of the driving bevel gear 2 and the driven bevel gear 3.
Referring to fig. 2, in order to prevent the two bevel gears from being loosened due to shaking during the rotation process, the inner wall of the housing 5 of the present embodiment is provided with limit grooves 6 at positions facing the tooth tips of the drive bevel gear 2 and the driven bevel gear 3, respectively. Further, a limiting plate 8 opposite to the meshing surface of the driving bevel gear 2 and the driven bevel gear 3 is arranged between two adjacent limiting grooves 6, a gap is reserved between the limiting plate 8 and the meshing surface, a lubricating grease injection channel 9 for injecting lubricating grease is arranged between a hollow cavity or a solid cavity between the limiting plate 8 and the shell 5, an inlet hole of the lubricating grease injection channel 9 is formed in the outer wall of the shell 5, and an outlet hole is opposite to the gear surface of the driving bevel gear 2 or the gear surface of the driven bevel gear 3 or opposite to the meshing surface of the driving bevel gear 2 and the driven bevel gear 3.
It should be noted that, as shown in fig. 2, a hollow cavity or a solid cavity may be provided between the limiting plate 8 and the housing 5, and the final purpose of the hollow cavity is to limit the shaking caused by the rotation of the driving bevel gear 2 or the driven bevel gear 3 through the limiting plate 8, that is, a relative fit surface is left inside the housing 5, so as to facilitate the fixing of the driving bevel gear 2 and the driven bevel gear 3 and prevent the housing 5 from being worn too much due to the rotation friction during the use.
In addition, because the driving bevel gear 2 and the driven bevel gear 3 are continuously in friction in the meshing process, in order to reduce abrasion, oxidation, corrosion and the like caused by friction, lubricating grease can be injected through the lubricating grease injection passage 9, preferably, the outlet of the lubricating grease injection passage 9 is opposite to the gear surface of the driving bevel gear 2 or the gear surface of the driven bevel gear 3, or opposite to the meshing surfaces of the driving bevel gear 2 and the driven bevel gear 3, so that the targeted lubrication can be realized, and the gear failure can be further avoided, alleviated and delayed.
Sixth embodiment
This embodiment provides a screw nut assembly and disassembly tools, and it includes two sleeves that perpendicular looks was established, is first sleeve 1 and second sleeve 4 respectively, a port of first sleeve 1 is used for grafting wind big gun axis of rotation 7, another port fixed connection drive bevel gear 2, a port fixed connection driven bevel gear 3 of second sleeve 4, driven bevel gear 3 with drive bevel gear 2 meshing connection, another port of second sleeve 4 is used for joint screw nut.
Specifically, the screw and nut dismounting tool further comprises a housing 5, the first sleeve 1, the drive bevel gear 2 and the driven bevel gear 3 are all embedded in the housing 5, the second sleeve 4 is arranged outside the housing 5, the housing 5 is a rectangular cavity, one of any two vertical surfaces of the rectangular housing 5 is used for penetrating and sealing the first sleeve 1 and the drive bevel gear 2, and the other surface of the rectangular housing 5 is used for penetrating and sealing the driven bevel gear 3.
Referring to fig. 3, in order to prevent the two bevel gears from being loosened due to shaking during the rotation process, the inner wall of the housing 5 of the present embodiment is provided with limit grooves 6 at positions facing the tooth tips of the drive bevel gear 2 and the driven bevel gear 3, respectively. Further, a limiting plate 8 opposite to the meshing surface of the driving bevel gear 2 and the driven bevel gear 3 is arranged between the two adjacent limiting grooves 6, a gap is reserved between the limiting plate 8 and the meshing surface, a lubricating grease injection channel 9 for injecting lubricating grease is arranged between the hollow cavity or the solid cavity between the limiting plate 8 and the shell 5, an inlet hole of the lubricating grease injection channel 9 is formed in the outer wall of the shell 5, and an outlet hole is opposite to the gear surface of the driving bevel gear 2 or the gear surface of the driven bevel gear 3 or opposite to the meshing surface of the driving bevel gear 2 and the driven bevel gear 3.
It should be noted that, as shown in fig. 3, a hollow cavity or a solid cavity may be provided between the limiting plate 8 and the housing 5, and the final purpose of the hollow cavity is to limit the shaking caused by the rotation of the driving bevel gear 2 or the driven bevel gear 3 through the limiting plate 8, that is, a relative fit surface is left inside the housing 5, so as to facilitate the fixing of the driving bevel gear 2 and the driven bevel gear 3 and prevent the housing 5 from being worn too much due to the rotation friction during the use.
In addition, because the driving bevel gear 2 and the driven bevel gear 3 are continuously in friction in the meshing process, in order to reduce abrasion, oxidation, corrosion and the like caused by friction, lubricating grease can be injected through the lubricating grease injection passage 9, preferably, the outlet of the lubricating grease injection passage 9 is opposite to the gear surface of the driving bevel gear 2 or the gear surface of the driven bevel gear 3, or opposite to the meshing surfaces of the driving bevel gear 2 and the driven bevel gear 3, so that the targeted lubrication can be realized, and the gear failure can be further avoided, alleviated and delayed.
Seventh embodiment
This embodiment has protected the dismouting method of a screw nut assembly and disassembly tools: with screw nut assembly and disassembly tools's second sleeve 4 joint in treating dismouting screw nut, handheld wind big gun, insert in screw nut assembly and disassembly tools's first sleeve 1's port with wind big gun axis of rotation 7, it is rotatory that wind big gun passes through wind big gun axis of rotation 7 drive initiative bevel gear 2 as the power supply, the driven bevel gear 3 of 2 meshing of initiative bevel gear, and to the 3 transmission moments of torque of driven bevel gear, driven bevel gear 3 transmits the moment of torsion to second sleeve 4, dismouting screw nut is treated in the rotatory dismouting of second sleeve 4.
Further, in order to prevent looseness during rotation, the first sleeve 1 and the drive bevel gear 2 are of an integral structure, and the second sleeve 4 and the driven bevel gear 3 are of an integral structure.
To sum up, the utility model discloses a two mutually perpendicular bevel gears realize the perpendicular transmission of moment of torsion, especially this screw nut assembly and disassembly tools can stretch into the lower plane of flange, planar fastening screw nut under the firm flange, the problem of plane under the flange because the hindrance of distance and angle has been solved, lead to the unable problem of using wind big gun and afterburning thick stick perpendicularly, it is inhomogeneous to have avoided flange screw diagonal angle atress, and the weeping that exists under the high pressure condition, well head flange stabs, risks such as steel ring stabs, personnel's injury and the environmental protection risk of liquid thorn hourglass have also been reduced and prevented.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.