CN206016721U - A kind of oil pipe remote control drag-over unit - Google Patents

Abstract

The utility model discloses a kind of oil pipe remote control drag-over unit, belongs to workover rig field.Which includes slideway assembly, self-return coaster, mainframe, access tube mechanism, electric control hydraulic device and hand-held remote controller.Slideway assembly includes slideway, supporting guide, slideway roller and lifting machine.Slideway and supporting guide are provided with rectangular channel, and the wheel of self-return coaster can be moved forward and backward in the rectangular channel of slideway, and slideway is moved forward and backward in the rectangular channel of supporting guide by slideway roller, drive the front end of supporting guide to make elevating movement by lifting machine.Access tube mechanism includes gripper shoe, takes pipe arm, push pipe piston and put pipe arm.The oil pipe on slideway is ejected by push pipe piston, and rolled down on pipe framed bent along pipe arm is put；Oil pipe on pipe framed bent is lifted and is turned on slideway by taking pipe arm.Hand-held remote controller is wirelessly connected with electric control hydraulic device, so as to remote control drives slideway, lifting machine, push pipe piston, the motion for taking pipe arm.The drag-over unit is avoided that oil pipe thread is damaged.

Description

A kind of oil pipe remote control drag-over unit

Technical field

The utility model is related to workover rig field, more particularly to a kind of oil pipe remote control drag-over unit.

Background technology

When oil gas field carries out workover treatment, often need by the multiple-tubing string being sequentially connected with oil, gas and water well rise and under enter (i.e. the rountrip of oil pipe).Multiple-tubing string needs to be transplanted on pipe framed bent successively after going out from well and discharges neat, lower oil pipe Shi Ze on request order be transplanted on well head from pipe framed bent, by root lower going-into-well in.When manually carrying out oil pipe transfer, labour intensity Greatly, elapsed time is long, and there is security risk.Therefore it provides a kind of device that can carry out the automatic transfer of oil pipe is very must Want.

Prior art provides a kind of oil pipe drag-over unit, and the oil pipe drag-over unit includes：Mainframe, access tube mechanism, lifting Mechanism, slideway and supporting rail.Slideway is made up of steel plate, the rectangular V-arrangement in cross section.Slideway is slidably disposed on the upper of supporting rail Face, supporting rail are arranged on the top of mainframe, and are connected through the hinge with the rear end of mainframe.Lifting mechanism is arranged on mainframe Front end, and be connected through the hinge with the front end of supporting rail.Supporting rail and slideway front end can be driven to rise by lifting mechanism Drop motion.Liang Ge access tubes mechanism is separately positioned on the front and rear of mainframe.Oil pipe hangs over the elevator of workover rig after rising On, during the oil pipe that has transferred out, front end that supporting rail is lifted by lifting mechanism, slideway forward slip, to have accepted flowline Male end.Then, lifting mechanism is gradually fallen, and oil pipe is slided to its rearmost end along slideway and is placed on slideway, while Slideway is also slided backward, until concordant with supporting rail, by well head operating personnel by the coupling end (coupling end) of oil pipe from elevator Unload.45 ° are flipped to one side by making slideway, the oil pipe on slideway is rolled into pipe framed bent along the pipe ramp of putting of access tube mechanism On, oil pipe is completed from well head to the transfer of pipe framed bent.During lower oil pipe, oil pipe is made to enter cunning by the pipe arm that takes of access tube mechanism The coupling end of oil pipe is connected with the elevator of workover rig by road, the front end for lifting supporting rail again by lifting machine by operating personnel, Oil pipe is driven to travel forward along slideway by elevator, until oil pipe departs from slideway and is substantially at vertical state, finally, by lifting The front end of supporting rail fallen by the machine of liter, completes transfer of the oil pipe from pipe framed bent to well head.

Designer has found that prior art at least has following technical problem：

First, when the oil pipe drag-over unit for being provided by prior art transports oil pipe, as V-arrangement slideway is difficult with coaster, The male end of oil pipe and slideway inwall directly contact, although inlaying bakelite plate in slideway inwall helps cunning, frictional force still compared with Greatly, once skating-aid board is scratched, then lose and help sliding effect, increased maintenance and change workload.Secondly, artificial rail external screw thread Thread protector is put at end, increased the workload that workman wore, and plucked, transmitting thread protector.3rd, when pipe is got rid of in the upset of V-arrangement slideway, easily cause machine Frame rocks unstability.Finally, it is often more important that, existing type is not suitable with the unattended automatic lower oil tube operating mode of well head.

Utility model content

The utility model embodiment technical problem to be solved is, there is provided one kind is not damaged oil tube external thread and fitted Should be as follows in the oil pipe remote control drag-over unit of well head someone or nobody two kinds of working conditions, concrete technical scheme：

The utility model embodiment provides a kind of oil pipe remote control drag-over unit, and the drag-over unit includes：Slideway assembly, automatically return Position coaster, mainframe, access tube mechanism, electric control hydraulic device and hand-held remote controller.

Wherein, the slideway assembly includes：Slideway, supporting guide, slideway roller and lifting machine.The slideway includes：Two Slideway channel-section steel and polylith slideway junction steel plate that root is symmetrical set.The groove of the slideway channel-section steel is oppositely arranged, the cunning The bottom of road channel-section steel is linked together by the slideway junction steel plate, forms the rectangular channel of upper opening.The supporting guide Including：Two supporting guide channel-section steels being symmetrical set and polylith supporting guide junction steel plate.The supporting guide channel-section steel Groove is oppositely arranged, and the bottom of the supporting guide channel-section steel is linked together by the supporting guide junction steel plate, in formation The rectangular channel of portion's opening.

The wheel of the self-return coaster is arranged in the groove of the slideway channel-section steel, and the self-return coaster can Move forward and backward along the slideway.The slide bottom is provided with multiple slideway rollers, and the slideway roller is arranged on described In the groove of supporting guide channel-section steel, the slideway is made to move forward and backward along the supporting guide by the slideway roller.

The mainframe includes：The longitudinally connected beam of two groups of horizontally arranged levels, many vertical tie-beams and Duo Gen levels Lateral connection beam.The rear end of the mainframe is connected through the hinge with the rear end of the supporting guide, the front end of the mainframe The lifting machine is provided with, the top of the lifting machine is hinged with the front end of the supporting guide, is driven by the lifting machine Make elevating movement in the front end of the supporting guide.

The access tube mechanism includes：Gripper shoe, pipe arm is taken, pipe arm tie-beam is taken, is put pipe arm, push pipe piston and guiding Plate.The gripper shoe is separately mounted to the front and rear of the mainframe both sides, described take pipe arm two ends respectively with described Fagging is hinged, and the pipe arm that takes of described mainframe the same side takes the connection of pipe arm tie-beam by described.The push pipe piston sets Put on the horizontal cross tie-beam, the top of the push pipe piston is detachably connected with the guide plate, is taken by described Oil pipe on pipe framed bent is lifted and is rolled to the slideway by pipe arm.By the push pipe piston by described on the slideway Oil pipe is ejected, and is rolled down on pipe framed bent along the pipe arm of putting.

Afterbody of the electric control hydraulic device installed in workover rig, is lived with the slideway, the lifting machine, the push pipe Plug, described being taken connected by hydraulic line between pipe arm, and the electric control hydraulic device is wirelessly to be connected with the hand-held remote controller.

Specifically, preferably, the symmetrical slideway roller of each two is one group, the slide bottom is provided with Slideway roller described in 4～6 groups.

Specifically, preferably, the slideway assembly also includes the slideway hydraulic cylinder positioned at the slideway afterbody；The cunning Connected by hydraulic line between road hydraulic cylinder and the electric control hydraulic device.

Specifically, preferably, the lifting machine includes：Scissors type elevating frame and it is arranged on the scissors type elevating frame bottom The lifting machine hydraulic cylinder in portion；Connected by hydraulic line between the lifting machine hydraulic cylinder and the electric control hydraulic device.

Specifically, preferably, the self-return coaster includes：Coaster main body, the first steel wire rope, balancing weight, first Fixed pulley, the second fixed pulley, gravity spring mechanism and the second steel wire rope.The gravity spring mechanism includes：Movable pulley and the 3rd Fixed pulley.The gravity spring mechanism is arranged on the bottom of the slideway front end, and first fixed pulley is arranged on the slideway Front end face on, second fixed pulley is arranged on the front end face of the gravity spring mechanism.In the coaster main body wall Be provided with connecting bolt, described first steel wire rope one end is connected with the connecting bolt, the other end through first fixed pulley, And repeatedly wind between the movable pulley and the 3rd fixed pulley, finally it is connected with the 3rd fixed pulley.Described second One end of steel wire rope is connected with the balancing weight, and the other end is connected with the movable pulley.The balancing weight and the coaster main body Mutually driven by first steel wire rope, second steel wire rope.

Specifically, preferably, the pipe arm that takes also includes taking pipe hydraulic cylinder, the upper end for taking pipe hydraulic cylinder with described Take, lower end is hinged with the longitudinally connected beam of the level, described to take pipe hydraulic cylinder automatically controlled with described Connected by hydraulic line between hydraulic means.

Specifically, preferably, the access tube mechanism also includes：Connecting rod, crank, gaily decorated basket adjustment screw and push pipe hydraulic pressure Cylinder.The connecting rod is arranged between two push pipe pistons, and the connecting rod two ends are hinged with the crank, the gaily decorated basket adjustment Screw is arranged on the middle part of the connecting rod.The push pipe piston up-down is driven by the crank, is adjusted by the gaily decorated basket Whole screw adjusts the ejection height of the push pipe piston.Pass through hydraulic pressure between the push pipe hydraulic cylinder and the electric control hydraulic device Pipeline connects, and under the driving of the push pipe hydraulic cylinder, adjusts screw by the connecting rod, the gaily decorated basket and the crank is promoted Two push pipe piston synchronous move up and down.

Specifically, preferably, the guide plate is arranged on the top of the push pipe piston, during use, the guide plate Inclined plane and the oil pipe to tumble direction consistent.

Specifically, preferably, the slideway assembly also includes：First travel switch and the second travel switch.Described One stroke switch is arranged on the rear end of the slideway, and second travel switch is located off the supporting guide rear end 1.2- The position of 1.8m；Controlled by first travel switch and second travel switch sliding described in the slideway hydraulic cylinder push-and-pull Road is moved forward and backward along the supporting guide.

The beneficial effect brought of technical scheme that the utility model embodiment is provided is：

The oil pipe remote control drag-over unit that the utility model embodiment is provided, by installing self-return coaster on slideway, rises Oil tube external thread is sat up straight on self-return coaster during lower oil pipe, self-return coaster is integrally formed with oil pipe, it is to avoid oil Pipe male end directly contact slideway and at the volley between slideway produce abrasion.By arranging and self-return on slideway The rectangular channel that the wheel of coaster matches, makes self-return coaster easy motion in the slideway, prevents self-return coaster from turning on one's side Cause the unexpected landing of oil pipe, it is ensured that the safety transfer of oil pipe.By the motion upwards of push pipe piston in access tube mechanism, by oil Automatically roll down on pipe framed bent along putting pipe arm after pipe ejection slideway, unstable so as to solve the fuselage that slideway itself upset brings Problem.The motion that each part is controlled by hand-held remote controller and electric control hydraulic device, alleviates the labour intensity of operating personnel, carries High working security.It can be seen that, the oil pipe remote control drag-over unit that the utility model embodiment is provided can avoid oil tube external thread Damage, and make oil pipe stationary transfer, easy to use, it is suitable to large-scale promotion application.

Description of the drawings

For the technical scheme being illustrated more clearly that in the utility model embodiment, below will be to needed for embodiment description Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings Obtain other accompanying drawings.

Fig. 1 is that the structure when slideway of the oil pipe remote control drag-over unit that the utility model embodiment is provided is in horizontality is shown It is intended to；

Fig. 2 is the structural representation of the access tube mechanism that the another embodiment of the utility model is provided；

Fig. 3 is the structural representation of the electric control hydraulic device that the another embodiment of the utility model is provided；

Fig. 4 is the structural representation of the hand-held remote controller that the another embodiment of the utility model is provided；

Fig. 5 is the structural representation of the coaster main body that the another embodiment of the utility model is provided and wedge shape jacking block；

Fig. 6 is the structural representation of the self-return coaster that the another embodiment of the utility model is provided；

Fig. 7 is the knot when slideway of the oil pipe remote control drag-over unit that the another embodiment of the utility model is provided is in heeling condition Structure schematic diagram.

Reference is represented respectively：

1 slideway assembly,

101 slideways,

1011 slideway channel-section steels,

1012 slideway junction steel plates,

1013 slideway hydraulic cylinders,

1014 wedge shape jacking blocks,

102 supporting guides,

1021 supporting guide channel-section steels,

1022 supporting guide junction steel plates,

103 slideway rollers,

104 lifting machines,

1041 scissors type elevating framves,

1042 lifting machine hydraulic cylinders,

105 first travel switches,

106 second travel switches,

2 self-return coasters,

201 coaster main bodys,

2011 connecting bolts,

2012 manipulators,

2013 coupling hooks,

202 first steel wire ropes,

203 balancing weights,

204 first fixed pulleys,

205 second fixed pulleys,

206 gravity spring mechanisms,

2061 movable pulleys,

2062 the 3rd fixed pulleys,

207 second steel wire ropes,

3 mainframes,

301 horizontal cross tie-beams,

302 vertical tie-beams,

The longitudinally connected beam of 303 levels,

4 access tube mechanisms,

401 gripper shoes,

402 take pipe arm,

4021 take pipe arm tie-beam,

4022 take pipe hydraulic cylinder,

403 put pipe arm,

404 push pipe pistons,

4041 guide plates,

4042 push pipe hydraulic cylinders,

405 connecting rods,

4051 gailys decorated basket adjust screw,

406 cranks,

5 electric control hydraulic devices,

6 hand-held remote controllers,

7 oil pipes,

8 hinges.

Specific embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, below will be to the utility model embodiment party Formula is described in further detail.

The utility model embodiment provides a kind of oil pipe remote control drag-over unit, and as shown in accompanying drawing 1-4, the drag-over unit includes： Slideway assembly 1, self-return coaster 2, mainframe 3, access tube mechanism 4, electric control hydraulic device 5 and hand-held remote controller 6.

Wherein, slideway assembly 1 includes：Slideway 101, supporting guide 102, slideway roller 103 and lifting machine 104.Slideway 101 Including：Two slideway channel-section steels 1011 being symmetrical set and polylith slideway junction steel plate 1012.The groove of slideway channel-section steel 1011 It is oppositely arranged, bottom is welded together by slideway junction steel plate 1012, forms the rectangular channel of upper opening.Supporting guide 102 is wrapped Include：Two supporting guide channel-section steels 1021 being symmetrical set and polylith supporting guide junction steel plate 1022；Supporting guide channel-section steel 1021 groove is oppositely arranged, and bottom is welded together by supporting guide junction steel plate 1022, forms the rectangular channel of upper opening.

The wheel of self-return coaster 2 is arranged in the groove of the two slideway channel-section steels 1011 in left and right of slideway 101, and automatically Return coaster 2 can be moved back and forth along slideway 101.101 bottom of slideway is provided with multiple slideway rollers 103, and slideway roller 103 is arranged In the groove of 102 or so two supporting guide channel-section steels 1021 of supporting guide, by slideway roller 103 make slideway 101 along Support guide rail 102 is moved within a predetermined range.

Mainframe 3 includes：Two groups of horizontally arranged longitudinally connected beams 301, some vertical tie-beams 302 and some laterally connect Connect beam 303.The rear end of mainframe 3 is connected by hinge 8 with the rear end of supporting guide 102, and the front end of mainframe 3 is provided with lifting Machine 104, the top of lifting machine 104 are hinged with the front end of supporting guide 102, are driven before supporting guide 102 by lifting machine 104 Make elevating movement in end.

Access tube mechanism 4 includes：Gripper shoe 401, take pipe arm 402, take pipe arm tie-beam 4021, put pipe arm 403, push pipe work Plug 404 and guide plate 4042.Gripper shoe 401 has 4 pieces, is separately mounted to the front and rear of 3 both sides of mainframe, symmetrical point Cloth.The both sides that pipe arm 402 is arranged on mainframe 3 are taken, and there are are 2 per side, pipe arm tie-beam 4021 are taken by one and be fixed together, two End is hinged with gripper shoe 401, is lifted the oil pipe 7 on pipe framed bent and roll to slideway 101 by taking pipe liquid 402.Push pipe is lived Plug 404 is arranged on the lateral connection beam 303 of bottom, and the top of push pipe piston 404 be provided with can plug turn to 180 ° and lead To plate 4041.Oil pipe 7 on slideway 101 is pushed up by glide path 101 by push pipe piston 404, and rolls down to manage along pipe arm 403 is put On framed bent.

Afterbody of the electric control hydraulic device 5 installed in workover rig, with slideway 101, lifting machine 104, push pipe piston 404, take pipe Connected by hydraulic line between arm 402, electric control hydraulic device 5 is wirelessly to be connected with hand-held remote controller 6.

The oil pipe remote control drag-over unit that the utility model embodiment is provided, by installing self-return coaster on slideway 101 2, oil tube external thread is sat up straight on self-return coaster 2 during lower oil tube 7, make self-return coaster 2 become one with oil pipe 7 Body, it is to avoid oil pipe 7 male end directly contact slideway 101, produces abrasion at the volley between slideway 101.By sliding The rectangular channel that the wheel of setting and self-return coaster 2 matches on road 101, makes self-return coaster 2 steady in slideway 101 Motion, prevents the rollover of self-return coaster 2 from causing the unexpected landing of oil pipe 7, it is ensured that the safety transfer of oil pipe 7.By making to pick and place Push pipe piston 404 in pipe mechanism 4 is moved upwards, by oil pipe 7 eject after slideway 101 along put pipe arm 403 roll down to automatically pipe row On frame, so as to solve the fuselage instability problem that slideway 101 itself upset brings.By hand-held remote controller 6 and electric-controlled hydraulic Device 5 controls the motion of each part, alleviates the labour intensity of operating personnel, improves working security.It can be seen that, this practicality is new The oil pipe remote control drag-over unit that type embodiment is provided, can avoid 7 externally threaded damage of oil pipe, and make 7 stationary transfer of oil pipe, use Convenient, it is suitable to large-scale promotion application.

Specifically, the slideway that prior art is provided is made up of steel plate welding, and the rectangular V-arrangement in cross section, oil pipe 7 can be put Put in slideway.When oil pipe 7 slides in slideway, the male end directly contact slideway inwall of oil pipe 7 easily causes oil pipe 7 externally threaded abrasions, shorten the service life of oil pipe 7.In order to reduce the friction between oil pipe 7 and slideway inwall, it is to avoid oil 7 external screw thread of pipe weares and teares, and prior art often installs high intensity bakelite plate in slideway inwall, to aid in the slip of oil pipe 7, protects oil pipe 7 external screw thread.And, when line slip is entered using bakelite plate auxiliary oil pipe, need before oil pipe 7 enters slideway, by operating 7 male end of personnel's rail puts on thread protector, and the external screw thread to be adapted with bakelite plate and to oil pipe 7 is protected.When oil pipe 7 After sliding to its end and roll down on pipe framed bent along slideway, in addition it is also necessary to which operating personnel take thread protector again and send well head back to and treat With.Repeatedly wear, pluck, transmitting thread protector and waste time and energy, increased the work load of operating personnel.And, even if putting on thread protector, oil pipe 7 external screw thread is likely to unexpected by bakelite plate scratch, helps sliding effect so as to affect bakelite plate.Therefore, by bakelite plate and shield Silk solves the problems, such as that 7 external screw thread of oil pipe is easy to wear, and effect is not fine.

In addition, in order to reduce the friction between oil pipe 7 and V-arrangement slideway inwall, also using some little cunnings in prior art Car, the male end of oil pipe 7 is placed on jigger, drives oil pipe 7 to move along slideway by jigger, so as to avoid oil pipe 7 external screw thread directly contact slideways, prevent 7 externally threaded damage of oil pipe.But due to the wheel of jigger on V-arrangement slideway less, when When having muddy water icing or oily wax silting to be frozen into lump on slideway, jigger is easy to the card that is hampered, it is difficult to advance, and this Plant phenomenon especially serious in the winter construction of northern China oil field.Additionally, after installing jigger on V-arrangement slideway, picking and placeing oil pipe 7 When, the steel wire rope of jigger and drawing jigger motion is required to overturn at least 45 ° with V-arrangement slideway, so that oil pipe 7 is ploughed under or rolled Glide path.When V rows slideway overturns, steel wire rope is easily wound because lax, and jigger also easily occurs damaging phenomenon.It can be seen that, Solve the problems, such as that 7 external screw thread of oil pipe is easy to wear on V-arrangement slideway using jigger and there is also certain defect.And, even if Change the shape or size of slideway, due to jigger there is still a need for overturn with slideway simultaneously, so its thoroughly can not solve little Coaster is easily hampered the problem that card, wirerope-winding and jigger are damaged.Therefore, the utility model by slideway shape and Oil pipe 7 tumbles mode while being improved, and uses self-return coaster 2, so as to effectively prevent 7 externally threaded damage of oil pipe Wound, and ensure that oil pipe 7 is steadily rolled down on pipe framed bent.

Specifically, in order to avoid self-return coaster 2 is hampered in slideway 101 card, the utility model embodiment is provided The slideway 101 of oil pipe remote control drag-over unit include：Two slideway channel-section steels 1011 being symmetrical set and polylith slideway connection steel Plate 1012.The groove of two slideway channel-section steels 1011 is oppositely arranged, and bottom is welded together by slideway junction steel plate, forms top and opens The rectangular channel of mouth, the wheel of 2 left and right sides of self-return coaster are located exactly in the groove of two slideway channel-section steels 1011, now, The upper end side wall of 1011 groove of slideway channel-section steel provides protection for the wheel of self-return coaster 2, prevents wheel from slideway 101 Top skids off, it is to avoid overturning phenomenon occurs in self-return coaster 2, it is ensured that the smooth-ride of self-return coaster 2.And slideway In 101 rectangular channel, space is larger, can be prevented effectively from the blocking that slideway 101 is formed due to muddy water or oily wax silting, Ensure the smooth traveling of self-return coaster 2.Slideway junction steel plate 1012 is welded on the lower surface of two slideway channel-section steels 1011, To couple together two slideway channel-section steels 1011, and the bottom surface of slideway 101 is formed, be that self-return coaster 2 and oil pipe 7 are provided and propped up Support, it is ensured that the safety traffic of self-return coaster 2.And, 1011 bottom of slideway channel-section steel is provided with polylith slideway junction steel plate 1012, and polylith slideway junction steel plate 1012 is spaced, so that the profit dirt in slideway falls, prevents from being deposited in cunning On road, while also space is conceded in the up and down motion for push pipe piston 404, so that push pipe piston 404 can be by the oil on slideway 101 Pipe 7 is ejected, and is rolled down on pipe framed bent.

Specifically, in order that slideway 101 also swimmingly can be moved on supporting guide 102, supporting guide 102 is adopted and cunning 101 identical structure of road, i.e. supporting guide 102 are made up of supporting guide channel-section steel 1021 and supporting guide junction steel plate 1022, shape Rectangular groove.The bottom of slideway 101 is provided with slideway roller 103, and slideway roller 103 is located at supporting guide channel-section steel 1021 or so In the groove of both sides, the symmetrical slideway roller 103 of each two is one group, and 101 bottom of slideway is provided with 5～7 groups of slideways altogether Roller 103, preferably 4-6 groups sliding pipe wheel 103, so that stable movement of the slideway 101 on supporting guide 102, it is ensured that oil pipe 7 Safe transport.

Specifically, move to realize automatic, the steady transport of oil pipe 7, the oil pipe remote control that the utility model embodiment is provided Machine is sent to employ self-return coaster 2.As shown in accompanying drawing 5 and accompanying drawing 6, the self-return coaster 2 includes：Coaster main body 201, One steel wire rope 202, balancing weight 203, the first fixed pulley 204, the second fixed pulley 205, gravity spring mechanism 206 and the second steel wire rope 207.Wherein, gravity spring mechanism 206 includes：Movable pulley 2061 and be arranged on 206 right-hand member inwall of gravity spring mechanism the Three fixed pulleys 2062.Gravity spring mechanism 206 is arranged on the bottom of 101 front end of slideway, and the first fixed pulley 204 is arranged on slideway On 101 front end face, the second fixed pulley 205 is arranged on the front end face of gravity spring mechanism 206.On 201 side wall of coaster main body Connecting bolt 2011 is provided with, 202 one end of the first steel wire rope is connected with connecting bolt 2011, and the other end is through the first fixed pulley 204, and repeatedly wind between movable pulley 2061 and the 3rd fixed pulley 2062, finally it is connected with the 3rd fixed pulley 2062.Second One end of steel wire rope 207 is connected with balancing weight 203, and the other end is connected with movable pulley 2061, balancing weight 203 and coaster main body 201 By the 207 mutual drive of the first steel wire rope 202 and the second steel wire rope.First fixed pulley 204 plays guiding and makees to coaster main body 201 With with the offer support of the first steel wire rope 202 as drawing coaster main body 201.Second fixed pulley 205 is then drawing balancing weight 203 The second steel wire rope 207 provide support, so as to mutually can drive between balancing weight 203 and coaster main body 201.

Specifically, when self-return coaster 2 works, after movable pulley 2061 is subject to the drawing of balancing weight 203, in gravity spring Hanging in the casing of mechanism 206, and can move forward and backward.When movable pulley 2061 is near three fixed pulleys 2062, balancing weight 203 Near the casing of gravity spring mechanism 206, coaster main body 201 is located at 101 rear end of slideway；Conversely, when movable pulley 2061 is away from the During three fixed pulleys 2062, casing of the balancing weight 203 away from gravity spring mechanism 206, coaster main body 201 are in 101 front end of slideway. 3rd fixed pulley 2062 and the distance between movable pulley 2061 about 1.1m, and the first steel wire rope 202 above slideway 101 is total Length is not less than 10m, to meet the needs of the global motion on slideway 101 of coaster main body 201.It can be seen that, gravity spring mechanism 206 Equivalent to an amplifier, by the movement of the 1m in the casing of gravity spring mechanism 206 of movable pulley 2061, the first steel wire is enlarged into Rope 202 pulls the movement of the 10m on slideway 101 of coaster main body 201, realizes coaster main body so as to pass through gravity spring mechanism 206 201 motions on slideway 101.Therefore, when self-return coaster 2 is risen by 101 front end of slideway, potential energy is converted into the first steel Pulling force in cord 202, without the need for supply of electric power, using safe and reliable, convenient.

Specifically, in order that the free end of oil pipe 7 can be reliably placed on self-return coaster 2, coaster main body 201 Front end is provided with manipulator 2012, clamps oil pipe 7 by manipulator 2012, it is ensured that oil pipe 7 is integrally formed with coaster main body 201, Do not slip in motion.In order to solve the pulling force and hook block of the horizontal direction produced during flowline when the deadweight of oil pipe 7 to oil When the reversal interlocking relay that pipe 7 is produced is balanced, oil pipe 7 stops movement on slideway 101, and now the coupling end of oil pipe 7 is still suspended in well Above mouthful, not yet leave one segment distance of well head, it is impossible to pluck the problem of elevator, the rear end of coaster main body 201 is provided with connection suspension Hook 2013, the rear end of slideway 101 are provided with an opening and wedge shape jacking block 1014.When coaster main body 201 slides to the end of slideway 101 During end, in the opening of the insertion ways-end of coupling hook 2013, its bottom is held up by wedge shape jacking block 1014, in case falling to breaking off relations. And work as after slideway 101 is gradually laid flat, even if oil pipe 7 is ejected slideway 101, coupling hook 2013 is still articulated in slideway 101 Together, so that coaster main body 201 to be parked in automatically 101 end of slideway motionless, keep the first steel wire rope 202 to be in tensioned state, Disorderly twined with anti-loosening.When 101 front end of slideway is risen and moves forward slightly, coupling hook 2013 leaves wedge shape jacking block 1014, Coaster under the drawing of the first steel wire rope 202 adverse grade and on automatically return to 101 front end of slideway and await orders.

Specifically, in order that slideway 101 can move smooth on supporting guide 102, slideway 101 includes：Slideway 101 is led Body and the slideway hydraulic cylinder 1013 for being arranged on 101 body rear of slideway, lead between slideway hydraulic cylinder 1013 and electric control hydraulic device 5 Cross hydraulic line connection.It is that slideway hydraulic cylinder 1013 provides power by electric control hydraulic device 5, and passes through slideway hydraulic cylinder 1013 Drive slideway 101 102 on the supporting guide on move forward and backward, close to or away from well head, to realize the transport of oil pipe 7.Wherein, electricity Control hydraulic means 5 provides power supply by workover rig dc generator, and hydraulic power takes from the Hydraulic Station of workover rig.Slideway hydraulic cylinder 1013 and other hydraulic cylinders being mentioned below hydraulic power both from electric control hydraulic device 5.Slideway hydraulic cylinder 1013 can Slideway is pushed forward 2m, or slideway 101 is retracted the position concordant with supporting guide 102, by slideway hydraulic cylinder 1013 pairs The driving of slideway 101, replaces artificial push-and-pull oil pipe 7, mitigates the work load of operating personnel, realizes the automation control of slideway 101 System.

Specifically, include to realize the automatic lifting of lifting machine 104, lifting machine 104：Scissors type elevating frame 1041 and set Put the lifting machine hydraulic cylinder 1042 in 1041 bottom of scissors type elevating frame, lifting machine hydraulic cylinder 1042 and electric control hydraulic device 5 it Between connected by hydraulic line, by electric control hydraulic device 5 be lifting machine hydraulic cylinder 1042 provide power, and pass through lifting machine liquid Cylinder pressure 1042 drives the lifting of lifting machine 104.This type of drive driving force is strong, and facilitates implementation Automated condtrol.

Specifically, in order to realize steadily picking and placeing for oil pipe 7, the number of access tube mechanism 4 is two, and is located at main frame respectively The front and rear of frame 3, so as to the front and rear simultaneously for oil pipe 7 provides support, it is ensured that oil pipe 7 is taking pipe arm 402 and putting Steady rolling on pipe arm 403.Access tube mechanism 4 includes 4 pieces of gripper shoes 401 altogether, is symmetrically distributed in the left and right of mainframe 3 two-by-two Both sides, that is to say, that the both sides of mainframe 3 are both provided with taking pipe arm 402 and put pipe arm 403, to meet oil pipe 7 in mainframe 3 Meaning side picks and places.Put pipe arm 403 and be hinged on the upper of gripper shoe 401, support is provided when tumbling from slideway 101 for oil pipe 7, made Oil pipe 7 is rolled down on pipe framed bent along pipe arm 403 is put, and is put pipe arm 403 in use without the need for rotating along hinged place, is just corresponded to One ramp.And two tops for taking pipe arm 402 are fixed together with the two ends for taking pipe arm tie-beam 4021 respectively, pipe is taken The two ends of arm tie-beam 4021 are hinged with gripper shoe 401 again, and taking pipe arm tie-beam 4021 can be rotated by hinge, by pipe framed bent On oil pipe 7 send into slideway 101.For the ease of taking the crawl oil pipe 7 of pipe arm 402, the rearward end for taking pipe arm 402 is provided with one and takes Pipe hook, hooks an oil pipe 7 on pipe framed bent by taking pipe hook, is parked in oil pipe 7 and takes in the groove of pipe hook, then as taking pipe The motion upwards of arm 402, oil pipe 7 roll into slideway 101 along pipe arm 402 is taken, and complete the crawl of oil pipe 7.Additionally, taking pipe arm 402 Also include taking pipe arm main body and being arranged on and take and take pipe hydraulic cylinder 4022 in the middle part of pipe arm main body, pipe hydraulic cylinder 4022 is taken with automatically controlled liquid Connected by hydraulic line between pressure device 5, power is provided by electric control hydraulic device 5 for taking pipe hydraulic cylinder 4022, and passed through Take pipe hydraulic cylinder 4022 and drive the motion for taking pipe arm 402, make to take the 402 automatic crawl of pipe arm and transport oil pipe 7, mitigate operating personnel Burden.

Specifically, oil pipe 7 is pushed up by the oil pipe remote control drag-over unit that the utility model embodiment is provided by push pipe piston 404 Go out slideway 101, the mainframe for overturning and causing so as to thoroughly avoid slideway 101 rocks problem.In order that push pipe piston 404 is flat Oil pipe 7 is ejected slideway 101 quietly, the push pipe piston 404 in 3 front and rear access tube mechanism 4 of mainframe should be synchronized with the movement, Therefore, access tube mechanism 4 also includes：Connecting rod 405 and crank 406.Connecting rod 405 is arranged between two push pipe pistons 404, connecting rod 405 two ends are provided with crank 406, are the relations of stirring between crank 406 and push pipe piston 404, by connecting rod 405 and crank 406 Make two push pipe pistons 404 become a link gear, synchronously move upwards or drop back into original position.It is additionally provided with the middle part of connecting rod 405 The gaily decorated basket adjusts screw 4051, to adjust the ejection height of push pipe piston 404.Meanwhile, push pipe piston 404 includes push pipe piston main body With push pipe hydraulic cylinder 4042, connected by hydraulic line between push pipe hydraulic cylinder 4042 and electric control hydraulic device 5.By automatically controlled liquid Pressure device 5 is that push pipe hydraulic cylinder 4042 provides power, and the cooperation by push pipe hydraulic cylinder 4042 and crank 406 and connecting rod 405 Effect, drives that two push pipe pistons 404 are synchronous to move upwards or drop back into original position so that push pipe piston 404 by oil pipe 7 smoothly Eject from slideway 101, it is to avoid cause to reverse because of unbalance stress in 7 two ends of oil pipe, it is ensured that oil pipe 7 smoothly rolls down to pipe framed bent On.

Specifically, in order that oil pipe 7 can be pushed up any side to slideway 101 by push pipe piston 404, it is easy to oil pipe 7 to exist Pipe is got rid of in 101 left and right sides of slideway, be provided with the top of push pipe piston 404 can plug turn to 180 ° of guide plate 4041.During use, The inclined plane of guide plate 4041 and oil pipe 7 to tumble direction consistent, oil pipe 7 is delivered to pipe framed bent so as to pass through guide plate 4041 On, make push pipe piston 404 that there is higher applicability.

Specifically, in order that slideway 101 is produced with hook block in the component for being pulled outwardly oil pipe 7 of the deadweight generation of oil pipe 7 Raw reversal interlocking relay can be moved on supporting guide 102 when balancing automatically, and slideway assembly 1 also includes the first travel switch 105 With the second travel switch 106.First travel switch 105 is arranged on the rear end of slideway 101, the second travel switch 106 be arranged on from Open the position of 102 rear end of supporting guide about 1.2-1.8m.When playing oil pipe 7, the promotion self-return coaster 2 of oil pipe 7 is to after slideway 101 End motion, when self-return coaster 2 slides to the rear end of slideway 101, insertion 101 distal opening of slideway of coupling hook 2013, two Person is connected, while triggering the first travel switch 105, the first travel switch 105 sends startup to slideway hydraulic cylinder 1013 and refers to Order, slideway hydraulic cylinder 1013 start to bounce back, and band sliding way 101, self-return coaster 2 and oil pipe 7 are moved to 102 rear end of supporting guide Dynamic, when the end of slideway 101 touches the second travel switch 106, the second travel switch 106 sends halt instruction, slideway 101 Stop at the movement of supporting guide 102.Now, the already out well head of the coupling end of oil pipe about 40～60cm, to take elevator. Hereafter, hand-held remote controller 6 is pressed, and slideway hydraulic cylinder 1013 continues retraction, until concordant with supporting guide end.Then, lift Machine 104 is fallen, and is laid flat slideway 101, and oil pipe 7 is ejected slideway by push pipe piston 403, is rolled down on pipe framed bent.During lower drain line 7, Slideway hydraulic cylinder 1013 stretches out, and drives slideway 101, self-return coaster 2 and oil pipe 7 to travel forward along supporting guide 102, works as cunning When the second travel switch 106 is touched in 101 rear end of road, slideway hydraulic cylinder 1013 suspends, and is the box cupling of the elevator with oil pipe 7 of workover rig The offer time is attached, after the completion of connection, oil pipe 7 drives self-return coaster 2 to continue to travel forward along slideway 101, will Oil pipe 7 is transported to above oil well and is substantially at vertical position.

Specifically, as shown in Figure 7, when the oil pipe remote control drag-over unit that the utility model embodiment is provided plays oil pipe 7, operation Personnel start lifting machine 104 by hand-held remote controller 6, and lifting machine 104 is raised above lifting 101 front end of slideway, while slideway 101 move forward along supporting guide 102.Coaster main body 201 is low skewed after front height with the lifting of 101 front end of slideway State, the coupling hook 2013 of 201 rear end of coaster main body depart from the wedge shape jacking block 1014 of 101 rear end of slideway, in the drawing of balancing weight 203 Under power effect, 202 extension pulley main body 201 of the first steel wire rope along slideway 101 meet slope and on, make coaster main body 201 from slideway 101 rear end moves to the front end of slideway 101, realizes the self-return of coaster main body 201, in order to make the external screw thread of oil pipe 7 Sit up straight into coaster main body 201.After 7, oil pipe goes out well head, one end is suspended on the elevator of workover rig, and the other end passes through manipulator 2012 are clamped in coaster main body 201.With the gradually decentralization of workover rig tourist bus elevator, oil pipe 7 promote coaster main body 201 along Slideway 101 is to end motion thereafter.When coaster main body 201 reaches 101 rear end of slideway, the first travel switch 105, the first row is triggered Cheng Kaiguan 105 sends enabled instruction to slideway hydraulic cylinder 1013, and slideway hydraulic cylinder 1013 starts to bounce back, with sliding way 101, automatically Return coaster 2 and oil pipe 7 are to end motion after supporting guide 102, after slideway 101 leaves well head about 40～60cm, slideway 101 When rear end touches the second travel switch 106, the second travel switch 106 sends halt instruction, and slideway 101 stops at supporting guide On 102.Hereafter, hand-held remote controller 6 is pressed, and slideway hydraulic cylinder 1013 continues retraction, until concordant with supporting guide end.Connect , press hand-held remote controller 6, lifting machine 104 is fallen, and is laid flat slideway 101.Hand-held remote controller 6 is pressed again, and push pipe piston 403 will Oil pipe 7 ejects slideway, rolls down on pipe framed bent.Repeat above-mentioned action, you can the oil pipe one by one 7 gone out from oil well from well Mouth is transported on pipe framed bent.

Specifically, when entering oil pipe 7 under, operating personnel take pipe hydraulic cylinder 4022 by the startup of hand-held remote controller 6, so as to drive Take pipe arm 402 to plough under an oil pipe 7 on pipe framed bent in slideway 101, external screw thread one end of oil pipe 7 is pressed from both sides by manipulator 2012 Hold in coaster main body 201, the other end rides over the front end of slideway 101.Lifting machine 104 is started by hand-held remote controller 6, by slideway 101 front ends are lifted, then start slideway hydraulic cylinder 1013 by hand-held remote controller 6, by slideway 101 and oil pipe 7 along supporting guide 102 Push forwards, when the second travel switch 106 is touched in 101 rear end of slideway, slideway hydraulic cylinder 1013 quits work, and is workover rig The coupling end of elevator and oil pipe 7 the offer time is provided, after the completion of connection, oil pipe 7 drives self-return coaster 2 to continue edge Slideway 101 travels forward, and oil pipe 7 is transported to above oil well and is substantially at vertical position.When oil pipe 7 is in the traction of elevator Under leave coaster main body 201 after, coaster main body 201 along incline slideway 101 return to its rear end, to wait next oil pipe 7 Feeding, lifting machine 104 moved downward with 101 front end of sliding way, makes slideway 101 be in again horizontality.Repeat above-mentioned dynamic Make, you can the oil pipe one by one 7 on pipe framed bent is transported to above well head workbench the position for buckleing elevator, in order to by oil pipe 7 Under enter oil well.

Preferred embodiment of the present utility model is the foregoing is only, not in order to limit protection domain of the present utility model, All of the present utility model spirit and principle within, any modification, equivalent substitution and improvements that is made etc. should be included in this reality Within new protection domain.

Claims (9)

1. a kind of oil pipe remote control drag-over unit, it is characterised in that the drag-over unit includes：Slideway assembly (1), self-return coaster (2), mainframe (3), access tube mechanism (4), electric control hydraulic device (5) and hand-held remote controller (6)；

Slideway assembly (1) includes：Slideway (101), supporting guide (102), slideway roller (103) and lifting machine (104)；

Slideway (101) include：Two slideway channel-section steels (1011) being symmetrical set and polylith slideway junction steel plate (1012)；The groove of slideway channel-section steel (1011) is oppositely arranged, and the bottom of slideway channel-section steel (1011) passes through the slideway Junction steel plate (1012) links together, and forms the rectangular channel of upper opening；

Supporting guide (102) include：Two supporting guide channel-section steels (1021) being symmetrical set and polylith supporting guide Junction steel plate (1022)；The groove of supporting guide channel-section steel (1021) is oppositely arranged, supporting guide channel-section steel (1021) Bottom is linked together by supporting guide junction steel plate (1022), forms the rectangular channel of upper opening；

The wheel of self-return coaster (2) is arranged in the groove of slideway channel-section steel (1011), and the self-return Coaster (2) can be moved forward and backward along the slideway (101)；Slideway (101) bottom is provided with multiple slideway rollers (103), slideway roller (103) are arranged in the groove of supporting guide channel-section steel (1021), by the slideway roller (103) slideway (101) is made to move forward and backward along the supporting guide (102)；

Mainframe (3) include：Two groups of horizontally arranged levels longitudinally connected beam (301), many vertical tie-beams (302) and Many horizontal cross tie-beams (303)；The rear end of mainframe (3) passes through hinge with the rear end of the supporting guide (102) (8) connect, the front end of mainframe (3) is provided with the lifting machine (104), the top of lifting machine (104) with described The front end of supporting guide (102) is hinged, and drives the front end of supporting guide (102) to lift by the lifting machine (104) Motion；

Access tube mechanism (4) include：Gripper shoe (401), pipe arm (402) is taken, pipe arm tie-beam (4021) is taken, is put pipe arm (403), push pipe piston (404) and guide plate (4041)；Gripper shoe (401) are separately mounted to the mainframe (3) both sides Front and rear, pipe arm (402) two ends that take are hinged with the gripper shoe (401) respectively, mainframe (3) the same side The pipe arm (402) that takes take pipe arm tie-beam (4021) connection by described；Push pipe piston (404) are arranged on the water On flat lateral connection beam (303), the top of push pipe piston (404) is detachably connected with the guide plate (4041), is passed through Oil pipe (7) on pipe framed bent is lifted and is rolled to the slideway (101) by the pipe arm (402) that takes；Lived by the push pipe The oil pipe (7) on the slideway (101) is ejected by plug (404), and is rolled down on pipe framed bent along the pipe arm (403) of putting；

The afterbody of described electric control hydraulic device (5) installed in workover rig, with the slideway (101), the lifting machine (104), institute State push pipe piston (404), described taking connect by hydraulic line between pipe arm (402), electric control hydraulic device (5) with described Hand-held remote controller (6) is wireless connection.

2. drag-over unit according to claim 1, it is characterised in that each two symmetrical slideway roller (103) For one group, slideway (101) bottom is provided with slideway roller (103) described in 4～6 groups.

3. drag-over unit according to claim 1, it is characterised in that slideway assembly (1) is also included positioned at the slideway (101) the slideway hydraulic cylinder (1013) of afterbody；Pass through between slideway hydraulic cylinder (1013) and the electric control hydraulic device (5) Hydraulic line connects.

4. drag-over unit according to claim 1, it is characterised in that lifting machine (104) include：Scissors type elevating frame (1041) and the lifting machine hydraulic cylinder (1042) of scissors type elevating frame (1041) bottom is arranged on；The lifting machine hydraulic cylinder (1042) it is connected by hydraulic line between the electric control hydraulic device (5).

5. drag-over unit according to claim 1, it is characterised in that self-return coaster (2) include：Coaster main body (201), the first steel wire rope (202), balancing weight (203), the first fixed pulley (204), the second fixed pulley (205), gravity spring machine Structure (206) and the second steel wire rope (207)；

Gravity spring mechanism (206) include：Movable pulley (2061) and the 3rd fixed pulley (2062)；

Gravity spring mechanism (206) are arranged on the bottom of the slideway (101) front end, and the first fixed pulley (204) set Put on the front end face of the slideway (101), the second fixed pulley (205) are arranged on gravity spring mechanism (206) On front end face；

Be provided with connecting bolt (2011) on the wall of coaster main body (201) side, the first steel wire rope (202) one end with described Connecting bolt (2011) connects, the other end through the first fixed pulley (204), and in the movable pulley (2061) and described the Three fixed pulleys are repeatedly wound between (2062), are finally connected with the 3rd fixed pulley (2062)；Second steel wire rope (207) One end be connected with the balancing weight (203), the other end is connected with the movable pulley (2061)；Balancing weight (203) and institute State coaster main body (201) mutually to drive by the first steel wire rope (202), second steel wire rope (207).

6. drag-over unit according to claim 1, it is characterised in that the pipe arm (402) that takes also includes taking pipe hydraulic cylinder (4022), the upper end for taking pipe hydraulic cylinder (4022) be hinged in the middle part of pipe arm tie-beam (4021) with described being taken, lower end and institute State the longitudinally connected beam of level (301) to be hinged, described taking pass through between pipe hydraulic cylinder (4022) and the electric control hydraulic device (5) liquid Pressure pipeline connects.

7. drag-over unit according to claim 1, it is characterised in that access tube mechanism (4) also include：Connecting rod (405), Crank (406), gaily decorated basket adjustment screw (4051) and push pipe hydraulic cylinder (4042)；

Connecting rod (405) are arranged between two push pipe piston (404), connecting rod (405) two ends and the crank (406) it is hinged, gaily decorated basket adjustment screw (4051) is arranged on the middle part of the connecting rod (405)；

Drive described push pipe piston (404) to move up and down by the crank (406), screw (4051) is adjusted by the gaily decorated basket Adjust the ejection height of push pipe piston (404)；

It is connected by hydraulic line between push pipe hydraulic cylinder (4042) and the electric control hydraulic device (5), in the push pipe Under the driving of hydraulic cylinder (4042), screw (4051) and the crank (406) are adjusted by the connecting rod (405), the gaily decorated basket Two described push pipe piston (404) are promoted synchronously to move up and down.

8. drag-over unit according to claim 1, it is characterised in that guide plate (4041) are arranged on the push pipe piston (404) top, during use, the inclined plane of guide plate (4041) and the oil pipe (7) to tumble direction consistent.

9. drag-over unit according to claim 3, it is characterised in that slideway assembly (1) also includes：First travel switch (105) and the second travel switch (106)；

First travel switch (105) are arranged on the rear end of the slideway (101), and described second travel switch (106) are arranged In the position for leaving the supporting guide (102) rear end 1.2-1.8m；By the first travel switch (105) and described second Described in travel switch (106) control slideway hydraulic cylinder (1013) push-and-pull, slideway (101) is along before the supporting guide (102) After move.