CN209579418U - It is exclusively used in the equipment for dismantling bite thread protector - Google Patents

Abstract

Equipment the utility model discloses being exclusively used in dismantling bite thread protector, including cylinder, mounting plate is arranged in one end of cylinder, motor is arranged in inner barrel, the output shaft of motor is fixedly connected outside cylinder with pinion gear, further includes the gear wheel being meshed with pinion gear, and turntable is arranged far from the side of cylinder direction in gear wheel, it is fixedly connected between turntable and gear wheel by transmission shaft, turntable is evenly distributed with N number of thread protector fastener far from the side surface annular of transmission shaft；Thread protector fastener includes sliding slot, and limited block is located at sliding slot towards one end of turntable center of circle direction, and grip block can be moved along the long axis of sliding slot, and the tapped through hole passed through for bolt is provided on grip block.The utility model is very big to solve to dismantle casing screw protector manpower consumption in the prior art, and it by the interference of upper layer or lower layer's casing, needs constantly to clamp, release, the problem of leading to inefficiency, realize the interference for avoiding upper layer or lower layer's casing, the purpose for improving removal efficiency, reducing manpower consumption.

Description

It is exclusively used in the equipment for dismantling bite thread protector

Technical field

The utility model relates to petroleum drilling engineering fields, and in particular to be exclusively used in the equipment for dismantling bite thread protector.

Background technique

Casing screw protector is called thread protector set, plastic-steel threading protectors, is the auxiliary products of petroleum casing pipe, primarily serves protection The effect of screw thread.To prevent casing from causing screw thread to damage due to the factors such as carrying, dismantling during transportation, every casing exists When factory, both ends are equipped with thread protector, and dismantling casing screw protector is one to seem simply be very laborious and time-consuming work；It is special Be not encounter between longer casing resting period, screw buckle and thread protector enter more dust silt rainwater etc. whens, will lead to Bite occurs between thread protector and casing threads button, the thread protector disassembly difficulty under such state is very big.In the prior art, casing screw protector Disassembly generally all by worker hold pipe wrench by manpower complete, specifically, worker hold pipe wrench, so that pipe wrench is clamped thread protector outer end Flange, then firmly pushed or rotated, until thread protector loosens, manpower consumption is very big.

Further, since the overlapping stacking of casing at the scene is completed by crane, before laying down thread protector and measuring length one by one, It can not accomplish that end is perfectly aligned, therefore worker will necessarily be led when rotating pipe wrench by the interference of upper layer or lower layer's casing Cause can not whole circle rotate, often can only half rotation will dismantle pipe wrench and again choose suitable position of having an effect and be pressed from both sides It holds, then carries out force rotation, this process needs to repeat to always thread protector and loosened completely to that can be rotated with hand, can not Pipe wrench is reused, is completed last to unload work with hand.It during this, needs constantly to clamp, unclamp pipe wrench progress position more It changes, causes removal efficiency extremely low.

Utility model content

Equipment the purpose of this utility model is to provide being exclusively used in dismantling bite thread protector, to solve to dismantle in the prior art Casing screw protector manpower consumption is very big, and is constantly clamped, unclamps by the interference of upper layer or lower layer's casing, needs, leads to efficiency Low problem realizes the interference for avoiding upper layer or lower layer's casing, the purpose for improving removal efficiency, reducing manpower consumption.

The utility model is achieved through the following technical solutions:

It is exclusively used in the equipment for dismantling bite thread protector, which is characterized in that the cylinder including open at both ends, one end of the cylinder Mounting plate is set, and motor is arranged in inner barrel, the through-hole that the output shaft of setting and motor matches on mounting plate, the motor Output shaft is passed through from the through-hole, and the output shaft of motor is fixedly connected outside cylinder with pinion gear, and the output shaft The axis collinear of axis and the pinion gear further includes the gear wheel being meshed with the pinion gear, and the gear wheel is far from cylinder Turntable is arranged in the side of body direction, is fixedly connected between the turntable and gear wheel by transmission shaft, the gear wheel, biography Moving axis, the axis of turntable are conllinear；The turntable is evenly distributed with N number of thread protector fastener far from the side surface annular of transmission shaft, wherein N >= 2；The thread protector fastener includes sliding slot, grip block, limited block, bolt, locknut, and the long axis of the sliding slot crosses the circle of turntable The heart, the limited block are located at sliding slot towards one end of turntable center of circle direction, and the grip block and limited block are facing each other, folder It holds block to match with sliding slot, grip block can be moved along the long axis of the sliding slot, be provided on grip block and worn for bolt The tapped through hole crossed is arranged locknut on bolt.

For in the prior art disassembly casing screw protector manpower consumption it is very big, and by the interference of upper layer or lower layer's casing, The problem of constantly clamping, unclamping, lead to inefficiency is needed, the equipment the utility model proposes being exclusively used in dismantling bite thread protector, Mounting plate is arranged in cylinder including open at both ends, one end of the cylinder, and mounting plate is used to keep the stabilization of motor output shaft.Electricity Machine is located in cylinder, and the output shaft of motor is passed through from the through-hole on mounting plate and is fixedly connected with pinion gear, pinion gear and big Gear engagement, and the axis collinear of the axis of output shaft and the pinion gear, therefore inevitable, the axis and output shaft of gear wheel Axis it is not conllinear, gear wheel is in eccentric state compared to the output shaft of motor, and the revolving speed of gear wheel is lower than pinion gear, that In this case, by the cooperation of pinion gear and gear wheel, slowing-down structure is formed, turntable is fixed by transmission shaft and gear wheel Connection, therefore the revolving speed of turntable is consistent with gear wheel, by the slowing-down structure of pinion gear and gear wheel cooperatively formed, is Turntable provides bigger torque, so as to act on the torque on the flange of casing screw protector bigger for turntable, provides strength and stable Torque dismantles casing screw protector, to overcome asking for slipping and falling off of being likely to occur between thread protector fastener and casing screw protector Topic greatly improves the stability in use of the utility model, improves using effect, turntable is applied to casing screw protector remote Greater than the torque of manpower.The structure of thread protector fastener are as follows: including sliding slot, grip block, limited block, bolt, locknut, the sliding slot Long axis cross the center of circle of turntable, the limited block is located at sliding slot towards one end of turntable center of circle direction, the grip block with Limited block is facing each other, and grip block matches with sliding slot, and grip block can be moved along the long axis of the sliding slot, and mobile Scope limitation in the length range of sliding slot, consequently facilitating according to the flange flexibly adjustment grip block of different casing screw protectors with It is practical new to improve this so that the utility model can satisfy the use of the casing screw protector of various models for the distance between limited block The scope of application of type.It is provided with the tapped through hole passed through for bolt on grip block, is arranged locknut on bolt.The utility model When specifically used, turntable is directed to casing screw protector to be removed, and adjusts cylinder and is allowed to not by the blocking of upper layer or lower layer's casing Limited block in each thread protector fastener, is resisted against the inside of thread protector flange, so that the flange of thread protector is located at limited block by interference later Between grip block, and bolt is resisted against the outside of thread protector flange, then tightens each locknut, so that each thread protector fastener The uniform and stable flange to casing screw protector clamps.After all nuts are all tightened, start motor, so that motor is defeated Shaft drives pinion rotation, then rotates via gear wheel speed change rear-guard turn disk, and each thread protector fastener is rotated with turntable, To drive casing screw protector also to be rotated, casing screw protector is loosened with this and is come.The utility model is torn open for casing screw protector It unloads and provides power by motor, and great effective torque is provided by the cooperation of pinion gear and gear wheel, therefore compared to The prior art greatly reduces manpower consumption.In addition, being managed and protected by N number of thread protector fastener on turntable to set in the utility model The flange of silk is clamped, and no longer needs to be clamped using pipe wrench, and course of work middle cylinder body position remains unchanged, therefore, even if Upper layer or lower layer's casing are not aligned, and will not cause any interference to the rotation for the motor being located in cylinder.Compared to existing When using pipe wrench in technology, it can be stopped by the casing that upper layer or lower layer are protruded since the shank portion of pipe wrench is longer, it can not The rotation for completing the whole whole circle of circle needs constantly to clamp, unclamps the defect that pipe wrench carries out position replacement, and the utility model is once complete It is clamped at the installation of each thread protector fastener, so that it may continuously carry out multipurpose rotary, be greatly saved tearing open for casing screw protector The time is unloaded, the removal efficiency to casing screw protector is greatly improved.

Preferably, the inner barrel is fixedly connected with motor rack, and motor is mounted on motor rack.By motor rack to motor Installation fixation is carried out, is convenient for after installing motor on motor rack again outside cylinder, then motor rack is integrally sent into inner barrel It is installed.

It preferably, further include the end cap that the one end of cylinder far from mounting plate direction is set, the end cap and cylinder It is detachably connected, cover internal fills acoustical cotton.For end cap for covering cylinder, avoiding sundries from entering influences motor normal work, And by the acoustical cotton filled in end cap, the noise transmission of motor work can be greatly reduced, improve the protection to worker.

Preferably, the bearing that the output shaft of the through hole setting and motor matches, the output shaft of motor passes through described Bearing.The stability of the output shaft of motor can greatly be improved by bearing, reduced amplitude, avoided shaking, it is defeated to extend motor The service life of shaft.

Preferably, it is provided with the sliding block to match in the sliding slot, grip block is fixedly connected on the slide block.This programme In, sliding block matches with sliding slot, and grip block is not directly connected in sliding slot, but by the connection with sliding block, realize clamping Being indirectly connected between block and sliding slot, so that grip block can be moved on the long axis direction of sliding slot.

Preferably, the grip block, limited block are metal plate, and the surface of grip block, limited block is each perpendicular to correspond to Sliding slot long axis.Metal plate is as grip block, limited block, it can be ensured that grip block, limited block and casing screw protector flange are continuous When abrasion, substantial injury will not be caused to grip block, limited block, it is ensured that the stability in use of the utility model, raising make Use the service life.

Preferably, several double wedges are arranged towards a side surface of limited block direction in the grip block.It is mentioned by double wedge Frictional force between high limited block and thread protector flange further increases the stability during utility model works.

Preferably, the reference diameter of the pinion gear is the 1/3~1/4 of the reference diameter of gear wheel.So that canine tooth The revolving speed of wheel is significantly less than pinion gear, it is ensured that gear wheel is capable of providing sufficient torque and loosens casing screw protector.

The utility model compared with prior art, has the following advantages and benefits:

1, the utility model is exclusively used in the equipment for dismantling bite thread protector, and turntable is directed at set to be removed and managed and protected by when use Silk, and adjust cylinder be allowed to not by upper layer or lower layer's casing blocking interfere, later by the limited block in each thread protector fastener against In the inside of thread protector flange, so that the flange of thread protector is between limited block and grip block, and bolt is resisted against thread protector flange Outside, then each locknut is tightened, so that each thread protector fastener is uniform and the stable flange to casing screw protector presss from both sides It holds.After all nuts are all tightened, start motor, so that the output shaft of motor drives pinion rotation, then becomes via gear wheel Fast rear-guard turn disk rotation, each thread protector fastener is rotated with turntable, so that casing screw protector is driven also to be rotated, it will with this Casing screw protector, which loosens, to come.The utility model provides power by motor for the disassembly of casing screw protector, therefore compared to existing Technology greatly reduces manpower consumption.

2, the utility model is exclusively used in the equipment for dismantling bite thread protector, compared to the prior art when middle use pipe wrench, passes through The slowing-down structure of pinion gear and gear wheel cooperatively formed, bigger torque is provided for turntable, so that turntable acts on set and manages and protects Torque on the flange of silk is bigger, provides strength and stable torque dismantles casing screw protector, to overcome thread protector fastener Be likely to occur between casing screw protector the problem of slipping and falling off, greatly improve the utility model stability in use, improve Using effect enables turntable to apply the torque for being much larger than manpower to casing screw protector.

3, the utility model is exclusively used in the equipment for dismantling bite thread protector, by N number of thread protector fastener on turntable to casing screw protector Flange clamped, no longer need to be clamped using pipe wrench, course of work middle cylinder body position remains unchanged, therefore, though on Layer or lower layer's casing are not aligned, and will not cause any interference to the rotation for the motor being located in cylinder.Compared to existing skill When using pipe wrench in art, it can be stopped by the casing that upper layer or lower layer are protruded since the shank portion of pipe wrench is longer, it can not be complete At the whole rotation for enclosing whole circle, needs constantly to clamp, unclamps the defect that pipe wrench carries out position replacement, the utility model is once completed The installation of each thread protector fastener clamps, so that it may continuously carry out multipurpose rotary, be greatly saved the disassembly of casing screw protector Time greatly improves the removal efficiency to casing screw protector.

Detailed description of the invention

Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:

Fig. 1 is structural schematic diagram when the utility model specific embodiment uses；

Fig. 2 is the front view of the utility model specific embodiment turntable.

Label and corresponding parts title in attached drawing:

1- cylinder, 2- mounting plate, 3- motor, 31- output shaft, 4- turntable, 5- sliding slot, 6- grip block, 7- limited block, 8- spiral shell Bolt, 9- locknut, 10- motor rack, 11- bearing, 12- double wedge, 13- casing screw protector, 14- pinion gear, 15- gear wheel, 16- are passed Moving axis, 17- end cap, 18- acoustical cotton.

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.

Embodiment 1:

The equipment for being exclusively used in dismantling bite thread protector as shown in Figures 1 and 2, the cylinder 1 including open at both ends, the cylinder Mounting plate 2 is arranged in 1 one end, and motor 3 is arranged inside cylinder 1, and the output shaft 31 of setting and motor 3 matches on mounting plate 2 The output shaft 31 of through-hole, the motor 3 is passed through from the through-hole, and the output shaft 31 of motor 3 is in 1 outside of cylinder and pinion gear 14 It is fixedly connected, and the axis collinear of the axis of the output shaft 31 and the pinion gear 14, further includes and 14 phase of pinion gear Turntable 4, the turntable 4 and gear wheel is arranged far from the side of 1 direction of cylinder in the gear wheel 15 of engagement, the gear wheel 15 It is fixedly connected between 15 by transmission shaft 16, the gear wheel 15, transmission shaft 16, the axis of turntable 4 are conllinear；The turntable 4 Side surface annular far from transmission shaft 16 is evenly distributed with N number of thread protector fastener, wherein N >=2；The thread protector fastener includes sliding slot 5, clamping Block 6, limited block 7, bolt 8, locknut 9, the long axis of the sliding slot 5 cross the center of circle of turntable 4, and the limited block 7 is located at sliding slot 5 Towards one end of 4 center of circle direction of turntable, the grip block 6 and limited block 7 are facing each other, grip block 6 and 5 phase of sliding slot Match, grip block 6 can be moved along the long axis of the sliding slot 5, and it is logical that the screw thread passed through for bolt 8 is provided on grip block 6 Hole is arranged locknut 9 on bolt 8.In Fig. 1, grip block 6, locknut 9 are also in the state that do not tighten.

Embodiment 2:

The equipment for being exclusively used in dismantling bite thread protector as shown in Figures 1 and 2, on the basis of embodiment 1, N take 4, described Motor rack 10 is fixedly connected with inside cylinder 1, motor 3 is mounted on motor rack 10.It further include being arranged in cylinder 1 far from mounting plate 2 The end cap 17 of one end of direction, the end cap 17 are detachably connected with cylinder 1, and acoustical cotton 18 is filled inside end cap 17.Institute It states through hole and the bearing 11 to match with the output shaft 31 of motor 3 is set, the output shaft 31 of motor 3 passes through the bearing 11.Institute The sliding block for being provided with and matching in sliding slot 5 is stated, grip block 6 is fixedly connected on the slide block.The grip block 6, limited block 7 are equal The long axis of corresponding sliding slot 5 is each perpendicular to for the surface of metal plate, and grip block 6, limited block 7.The grip block 6 is towards limit Several double wedges 12 are arranged in one side surface of 7 direction of block.The reference diameter of the pinion gear 14 is the indexing of gear wheel 15 The 1/4 of circular diameter.

Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (6)

1. being exclusively used in the equipment for dismantling bite thread protector, which is characterized in that the cylinder (1) including open at both ends, the cylinder (1) Mounting plate (2) are arranged in one end, and motor (3) are arranged inside cylinder (1), the output shaft (31) of setting and motor (3) on mounting plate (2) The output shaft (31) of the through-hole to match, the motor (3) is passed through from the through-hole, and the output shaft (31) of motor (3) is in cylinder It is fixedly connected outside body (1) with pinion gear (14), and the axis of the output shaft (31) and the axis of the pinion gear (14) are total Line further includes the gear wheel (15) being meshed with the pinion gear (14), and the gear wheel (15) is far from cylinder (1) direction Side be arranged turntable (4), between the turntable (4) and gear wheel (15) pass through transmission shaft (16) be fixedly connected, the canine tooth Wheel (15), transmission shaft (16), the axis of turntable (4) are conllinear；Side surface annular of the turntable (4) far from transmission shaft (16) It is evenly distributed with N number of thread protector fastener, wherein N >=2；The thread protector fastener include sliding slot (5), grip block (6), limited block (7), bolt (8), Locknut (9), the long axis of the sliding slot (5) cross the center of circle of turntable (4), and the limited block (7) is located at sliding slot (5) towards turntable (4) one end of center of circle direction, the grip block (6) and limited block (7) are facing each other, grip block (6) and sliding slot (5) phase Match, grip block (6) can be moved along the long axis of the sliding slot (5), be provided on grip block (6) and passed through for bolt (8) Tapped through hole, be arranged locknut (9) on bolt (8)；It is fixedly connected motor rack (10) inside the cylinder (1), motor (3) It is mounted on motor rack (10)；It further include end cap (17) of the setting in the one end of cylinder (1) far from mounting plate (2) direction, The end cap (17) is detachably connected with cylinder (1), fills acoustical cotton (18) inside end cap (17).

2. the equipment according to claim 1 for being exclusively used in dismantling bite thread protector, which is characterized in that through hole setting with The output shaft (31) of the bearing (11) that the output shaft (31) of motor (3) matches, motor (3) passes through the bearing (11).

3. the equipment according to claim 1 for being exclusively used in dismantling bite thread protector, which is characterized in that set in the sliding slot (5) It is equipped with the sliding block to match, grip block (6) is fixedly connected on the slide block.

4. the equipment according to claim 1 for being exclusively used in dismantling bite thread protector, which is characterized in that the grip block (6), limit Position block (7) is metal plate, and the surface of grip block (6), limited block (7) is each perpendicular to the long axis of corresponding sliding slot (5).

5. the equipment according to claim 1 for being exclusively used in dismantling bite thread protector, which is characterized in that grip block (6) court To a side surface of limited block (7) direction, several double wedges (12) are set.

6. the equipment according to claim 1 for being exclusively used in dismantling bite thread protector, which is characterized in that the pinion gear (14) Reference diameter is the 1/3~1/4 of the reference diameter of gear wheel (15).