CN202228020U - Injection head device - Google Patents
Injection head device Download PDFInfo
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- CN202228020U CN202228020U CN2011203978164U CN201120397816U CN202228020U CN 202228020 U CN202228020 U CN 202228020U CN 2011203978164 U CN2011203978164 U CN 2011203978164U CN 201120397816 U CN201120397816 U CN 201120397816U CN 202228020 U CN202228020 U CN 202228020U
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Abstract
The utility model discloses an injection head device which comprises a cantilever connecting mechanism, an injection head body, outer pressure rollers and inner pressure rollers, wherein the cantilever connecting mechanism comprises two side plates which are arranged parallelly and oppositely, as well as a main shaft and a plurality of guide columns, which are connected with the two side plates; the injection head body is a housing which has a circular arc-shaped guide groove and two side plates; connecting holes are formed in the side plates of the injection head body and positioned at the center of circle defined by the circular arc-shaped guide groove; the main shaft penetrates through the connecting holes; the injection head body can axially rotate around the main shaft and axially slide along the main shaft; the outer pressure rollers are spaced and distributed along the outermost side of the circular arc-shaped guide groove and fixed at the margins of the side plates of the injection head body through outer pressure roller shafts; the inner pressure rollers are arranged on the inner sides of the outer pressure rollers and in the positions corresponding to the outer pressure rollers and are fixed on the side plates of the injection head body through the inner pressure roller shafts; and the inner pressure rollers and the outer pressure rollers are matched to form a pipe transfer passage which is bended to the vertical direction from the horizontal direction. Accordingly, the injection head device has a simple and compact structure and is convenient in on-site construction.
Description
Technical field
The utility model relates to a kind of injection head equipment, especially relate to a kind of can multidirectional adjustment under the injection head device of coiled tubing of implantation site, concision and compact.
Background technology
At present; Domestic each oil field is not exclusively used in the testing engineering car of horizontal well test in the horizontal well field tests, the main coiled tubing job engineering car that uses is the engineering truck of external import; The power-equipment of the injection coiled tubing on the engineering truck is the injection head device; The injection head device provides the power of tensioner and transmission coiled tubing by hydraulic pressure, and tensioner is by the control of hydraulic pressure tensioner cylinder, and transmission adopts hydraulic motor to drive the metal track transmission.This device volume is bigger, weighs tens tons, tyre one guider, and self does not have guide function; Injection device designs for one, can not open, and can not remove continuous pipe, and maintenance is difficult; Must adopt crane lifting in the work progress, cooperate the injection head device to aim at the well head operation.For the horizontal well test technology, this injection head profile is heavy, and volume is big, and lifting dismounting difficulty is not easy to construction.
Existing external coiled tubing job engineering car does not have Vehiculor pilot formula injection head, inquires about domestic and international related data and patent and does not appear in the newspapers.
One Chinese patent application CN 20157978U discloses a kind of " a kind of continuous tube injection head "; This device adopts 2 driving wheels of 2 fluid motor-driven, driven pulley; Strainer is made up of hydraulic tensioning cylinder and manual adjustments screw rod; Clamp mechanism is made up of clamped beam, clamping fluid cylinder, clamp shaft, accomplishes coiled tubing and removes function.
One Chinese patent application CN 201581835U discloses a kind of " coiled tubing injection head device "; This device is made up of shelf, supporting leg, big plate, chain clamping device, chain anti-shake apparatus, chain and hydraulic motor, and the chain clamping device is made up of movable clamping device and fixed clamping device.
Above-mentioned two patent structure complicacies, injection head integral body needs the crane coordinative construction in work progress, and it is more loaded down with trivial details that work progress is aimed at the well head operation, is not easy to construction; Injection device designs for one, can not open, and can not remove continuous pipe, and maintenance is difficult.
The utility model content
The technical problem that the utility model solves provides a kind of coiled tubing injection head device, and its compactness simple for structure is convenient to site operation.
The technical solution of the utility model is:
A kind of injection head device, wherein, this injection head device comprises:
Arm hangs bindiny mechanism, comprises biside plate that is oppositely arranged side by side and main shaft and a plurality of guide pillar that connects biside plate;
The injection head main body; It is the housing with a circular arc guide groove and biside plate; Be positioned at the corresponding circle centre position of this circular arc guide groove on the said side plate and offer connecting hole; Said main shaft is arranged in the said connecting hole, and this injection head main body can be around the radially rotation and the endwisely slipping along this main shaft of this main shaft;
A plurality of outer pinch rollers, be spaced along said circular arc guide groove outermost distributed and arranged, and be fixed in said side plate edge via outer wheel pressing shaft;
Pinch roller in a plurality of, it is inboard that corresponding said outer pinch roller is arranged at said outer pinch roller, is fixed on the said side plate via interior wheel pressing shaft, and cooperates formation one level to be arranged to the crooked pipeline transfer passage of vertical direction with said outer pinch roller.
Above-mentioned injection head device; Wherein, This injection head device also comprises the injection head transverse moving mechanism; It comprises the two transverse hydraulic cylinders that are oppositely arranged, and two said transverse hydraulic cylinders are arranged on the biside plate, and the piston rod end of the two said transverse hydraulic cylinders arranged outside of corresponding said injection head main body biside plate respectively.
Above-mentioned injection head device, wherein, this injection head device also comprises the injection head switching mechanism, it comprises that two are hubbed at the side hydraulic cylinder on the said guide pillar, and two said side hydraulic cylinders can endwisely slip along said guide pillar; Its piston rod end is corresponding respectively to connect said injection head biside plate, and said side hydraulic cylinder can be parallel to said side plate and around the tie point rotation of its piston rod and said side plate.
Above-mentioned injection head device; Wherein, This injection head device also comprises the coiled tubing hold-down mechanism, comprises a plurality of hydraulic radial cylinders that radially are arranged at said injection head main body side plate along said circular arc guide groove, and the base of said hydraulic radial cylinder is fixed on the said side plate; End outside said side plate of the hinged said outer wheel pressing shaft in piston rod end of said hydraulic radial cylinder; The other end of said outer wheel pressing shaft in said side plate inboard be articulated with said outside pinch roller; Said outer wheel pressing shaft middle part is connected with the edge of said injection head main body side plate, and said wheel pressing shaft can be around the tangential direction rotation perpendicular to this tie point of the tie point at itself and said side plate edge.
Above-mentioned injection head device, wherein, this injection head device also comprises integral type multi-cylinder pressurized detent mechanism, it is a strip hydraulic cylinder seat board, is fixed between a plurality of said hydraulic radial cylinders and the said side plate.
Above-mentioned injection head device; Wherein, This injection head device also comprises multilevel gear drive mechanism; Comprise that a PTO, a master gear reach the travelling gear of one-level at least, this PTO is installed on the side plate of said injection head, and this PTO is axially parallel with said main shaft; Said master gear is sheathed on the output shaft of said PTO; The said master gear in said injection head side plate upper edge is provided with the said travelling gear of one-level at least in regular turn to the direction of said circular arc guide groove, and said travelling gear and the said travelling gear of one of them upper level of each back one-level are meshing with each other; The said travelling gear of afterbody is provided with the corresponding engagement of said interior pinch roller.
Above-mentioned injection head device; Wherein, This injection head device also comprises the sensor detent mechanism; Said hydraulic motor output shaft is connected with shaft coupling, and the other end of this shaft coupling is connected with the power shaft of a tachogenerator, and said hydraulic motor output shaft is connected with the power shaft of said tachogenerator is coaxial; This tachogenerator is fixedly set on another side plate.
Learn that by above explanation the utility model can reach following effect compared with prior art really:
Utility model belongs to a kind of and is applied in the petroleum industry oil recovery monitoring; Accessory power system injection head device to the normal rountrip of horizontal well test line; For coiled tubing injects power transmission is provided, with the structure of coiled tubing from horizontal direction guiding vertical direction.
Can be in the coiled tubing injection process to its provide evenly, the structure of the injection power of continous-stable so that coiled tubing stress equalization in injection process, the extruding of the metal pair of rollers coiled tubing of injection head device injury when alleviating construction;
Simultaneously; The vehicle-mounted both arms of the utility model injection head device hang two guide colume type coupling mechanisms, hydraulic driven switching mechanism of being association of activity and inertia between bindiny mechanism and the injection head device and the transverse-moving mechanism that can laterally move injection head; The construction requirement that can adapt to the differing heights well head, the operation of accurately aiming at well head when being convenient to construct.In addition, its sensor detent mechanism can accurately be located hydraulic motor and encoder, so that encoder accurately detects the rotating speed of hydraulic motor, and the depth of setting of accurate Calculation coiled tubing.
The utility model provides and the injection head apparatus main body is installed in the car load both arms hangs on; Cooperate without crane during construction; Can accomplish position adjustment to the injection head device in the vehicle-mounted control chamber; The injection head device is designed on general structure the structure of coiled tubing from horizontal direction guiding vertical direction, self existing guide function in configuration design.Provide a kind of both arms hang with injection head between the dynamic and static two guide colume type coupling mechanisms that combine; For the injection head device provides the installation site; The injection head device is hung through the utility model and vehicle-mounted both arms be connected into one; The operation that height that hangs through the adjustment both arms during construction and length can realize aiming at well head, the injection head device can rotate up and down and move left and right on the utility model simultaneously, cooperates to accomplish the operation of aiming at well head.
Description of drawings
Fig. 1 is the face portion separation structure sketch map of the utility model injection head device;
Fig. 2 is the part-structure sketch map of the multilevel gear drive mechanism of the utility model injection head device;
Fig. 3 is the part-structure sketch map of the switching mechanism side of the utility model injection head device;
Fig. 4 hangs the lateral parts structural representation of bindiny mechanism for the arm of the utility model injection head device;
Fig. 5 is the hold-down mechanism of the utility model injection head device and the lateral parts structural representation of detent mechanism;
Fig. 6 is the face portion separation structure sketch map of the hold-down mechanism of the utility model injection head device;
Fig. 7 is the lateral parts structural representation of the multilevel gear drive mechanism of the utility model injection head device;
Fig. 8 is the face portion separation structure sketch map of the sensor detent mechanism of the utility model injection head device;
Fig. 9 is the part-structure enlarged diagram of Fig. 8.
The critical element label declaration:
The utility model:
1: arm hangs bindiny mechanism 2: main shaft 3: guide pillar
4: transverse hydraulic cylinder 5: side hydraulic cylinder 6: the hydraulic radial cylinder
7: injection head main body 8: side plate 9: outer pinch roller
10: interior pinch roller 11: wheel pressing shaft 12: master gear
13: first order travelling gear 14: second level travelling gear 15: third level travelling gear
16: PTO 17: shaft coupling 18: tachogenerator
19: output shaft 20: hydraulic cylinder seat board 113: junction plate
114: gripper shoe
The specific embodiment
A kind of injection head device of the utility model comprises: arm hangs bindiny mechanism, injection head main body, outer pinch roller and interior pinch roller; Arm hangs bindiny mechanism and comprises biside plate that is oppositely arranged side by side and main shaft and a plurality of guide pillar that connects biside plate; The injection head main body is the housing with a circular arc guide groove and biside plate; Be positioned at the corresponding circle centre position of this circular arc guide groove on the said side plate and offer connecting hole; Said main shaft is arranged in the said connecting hole, and this injection head main body can be around the radially rotation and the endwisely slipping along this main shaft of this main shaft; A plurality of outer pinch rollers be spaced along said circular arc guide groove outermost distributed and arranged, and be fixed in said side plate edge via outer wheel pressing shaft; It is inboard that the corresponding said outer pinch roller of pinch roller is arranged at said outer pinch roller in a plurality of, is fixed on the said side plate via interior wheel pressing shaft, and cooperates formation one level to be arranged to the crooked pipeline transfer passage of vertical direction with said outer pinch roller.The injection head apparatus structure of aforesaid the utility model is compact, is convenient to construction.
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment of description of drawings the utility model at present.
To shown in Figure 3, be the part-structure sketch map of the injection head device of the utility model like Fig. 1, the injection head device of the utility model comprises: arm hang bindiny mechanism 1, injection head main body 7, outer pinch roller 9 and in pinch roller 10; Arm hangs bindiny mechanism 1 and comprises biside plate 8 that is oppositely arranged side by side and main shaft 2 and a plurality of guide pillar 3 that connects biside plate 8;
Please refer again to shown in Figure 4ly, for the arm of the injection head of the utility model hangs the side schematic view of bindiny mechanism's 1 preferred embodiment, the arm of the injection head of the utility model hangs bindiny mechanism 1, comprises guide pillar 3, main shaft 2, junction plate 113, gripper shoe 114; Main shaft 2 and two guide pillars 3 are fixedly installed between the two covers symmetrically arranged gripper shoe 114 arranged side by side; And main shaft 2 two ends are connected in the middle part of gripper shoe 114; The middle part of two cover gripper shoes 114 offers connecting hole respectively; And the position is corresponding each other to be provided with, and two ends of main shaft 2 are fixedly set in respectively in these two connecting holes; Two guide pillars 3 are parallel to main shaft 2 and are fixedly attached to respectively on the gripper shoe 114; Form two guide pillar 3 formula bindiny mechanisms; Two guide pillars 3 cooperate main shafts 2 to be arranged between the two cover gripper shoes 114, have formed a stable support, make it can bear bigger load and indeformable; Two cover gripper shoes 114 are fixedly connected with junction plate 113 respectively in a corresponding side, and injection head was provided with the side that the position is arranged at gripper shoe 114 during junction plate 113 can use according to reality, not as limit.
Preferable; The utility model can be fixedly installed in the end that both arms hang (not shown) respectively through said junction plate 113; Making the arm of whole injection head hang bindiny mechanism 1 hangs with both arms and couples together; Hang on and preferably be arranged at vehicle-mounted both arms, can hang bindiny mechanism 1 through the height that hangs of adjustment both arms to the arm of injection head with length and carry out the adjustment of position, thus the effectively operation of auxiliary line aligning well head.
The arm of the injection head of the utility model hangs bindiny mechanism 1, and is preferable, junction plate 113 with can adopt bolt to be connected between both arms hang; But also can adopt other modes to connect, as long as meet the requirement of constant intensity, not as limit.
The arm of the injection head of the utility model as shown in the figure hangs in bindiny mechanism's 1 preferred embodiment; Two guide pillars 3 are positioned on the different plane with main shaft 2; Make the syndeton between gripper shoe 114 and guide pillar 3 and the main shaft 2 have enough mechanical strengths, form the two guide pillar 3 formula bindiny mechanisms of stable triangle.
The arm of the injection head of the utility model hangs bindiny mechanism 1, and is preferable, as shown in the figure, and its gripper shoe 114 is for being provided with the triangular planar plated construction of web frame.In the preferred implementation; The connecting hole that wears guide pillar 3 and main shaft 2 all is located on the web frame; Make between guide pillar 3 and the main shaft 2 better to keep the relative fixed state, the load-carrying ability of agents enhance overall and the arm that guarantees the injection head of the utility model hang bindiny mechanism 1 is not bent and is out of shape.
The arm of the injection head of the utility model hangs bindiny mechanism 1 in practical application, on its guide pillar 3 and the main shaft 2 lever arms such as injection head and hydraulic cylinder can be installed, and injection head or hydraulic cylinder lever arm can rotate around guide pillar 3 or main shaft 2, and slippage vertically.The rotation of hydraulic cylinder lever arm can realize the isostructural motion control of injection head, thereby the first-class device of injection is moved according to the setting scheme; The rotation of injection head then can realize the pipeline of transferring is carried out the adjustment of multi-angle; Injection head or hydraulic cylinder lever arm can also move axially at guide pillar 3 or main shaft 2 upper edges, make that injecting first-class device can adjust on this direction further, increases the flexibility and the practicality of injection head device.
As shown in Figure 3; The injection head main body 7 of the utility model; Preferable, it is the housing with a circular arc guide groove and biside plate 8, is positioned at the corresponding circle centre position of this circular arc guide groove on the said side plate 8 and offers connecting hole; Said main shaft 2 is arranged in the said connecting hole, and this injection head main body 7 can be around the radially rotation and the endwisely slipping along this main shaft 2 of this main shaft 2; That is, injection head main body 75 can laterally be slided on main shaft 2, thereby can adjust the following implantation site of pipeline, better aims at pithead position.Please in the lump with reference to shown in Figure 2, the injection head device of the utility model be provided with a plurality of outer pinch rollers 9 and in pinch roller 10, said outer pinch roller 9 be spaced the said circular arc guide groove outermost distributed and arranged in edge, and be fixed in said side plate 8 edges via 9 of outer pinch rollers; Pinch roller 10 corresponding said outer pinch rollers 9 are arranged at said outer pinch roller 9 inboards in said, are fixed on the said side plate 8 via 10 of interior pinch rollers, and cooperate formation one level to be arranged to the crooked pipeline transfer passage of vertical direction with said outer pinch roller 9.
Please with reference to shown in Figure 1; The injection head device of the utility model comprises the injection head transverse-moving mechanism; This injection head transverse moving mechanism comprises the two transverse hydraulic cylinders 4 that are oppositely arranged; Two said transverse hydraulic cylinders 4 relatively are arranged on the biside plate 8, and the arranged outside of corresponding said injection head main body 7 biside plates 8 of the piston rod end of two said transverse hydraulic cylinders 4 difference.
The utility model injection head device as shown in the figure; In order better to control the lateral displacement of injection head main body 7; Injection head transverse-moving mechanism in the utility model preferred embodiment; Two transverse hydraulic cylinders 4 are fixedly set in biside plate 8 inboards that arm hangs bindiny mechanism 1, and the sidewall of the corresponding respectively injection head main body 7 of the piston rod of two transverse hydraulic cylinders 4 and being oppositely arranged, when injection head main body 7 needs the adjustment lateral attitudes; Start transverse hydraulic cylinder 4 and piston rod is extended respectively and shrinks, thereby promotion injection head main body 7 moves towards direction initialization; The interoperation of two transverse hydraulic cylinders 4 through injection head main body 7 both sides can promote injection head main body 7 flexibly and laterally move to the precalculated position; During two transverse hydraulic cylinder 4 interoperations; The piston rod elongation of one of them transverse hydraulic cylinder 4; And the piston rod of another transverse hydraulic cylinder 4 shrinks, and keeps the distance between two piston rods constant, and the injection head main body 7 that is arranged in this spacing distance is moved along with the flexible of piston rod; Or wherein a piston rod shrinks in advance, and after contractive action was accomplished, another piston rod extended action, promotes injection head main body 7 and moves.
The injection head transverse-moving mechanism of the utility model, preferable, two transverse hydraulic cylinders 4 are connected with a hydraulic pump (not shown), and are provided with a reversal valve between transverse hydraulic cylinder 4 and the hydraulic pump.Realize of the control of a hydraulic pump with this to two transverse hydraulic cylinders 4; Through the action of reversal valve, switch the action of two transverse hydraulic cylinders 4 successively.As in this preferred embodiment, from first transverse hydraulic cylinder 4, extract hydraulic oil via reversal valve through the control hydraulic pump, make the piston rod of this transverse hydraulic cylinder 4 carry out contractive action; After the action of stop solution press pump, switch the communication paths of reversal valve, hydraulic pump is communicated with another transverse hydraulic cylinder 4; The primer fluid press pump via reversal valve input hydraulic pressure oil in this transverse hydraulic cylinder 4, makes the sidewall elongation of its piston rod to injection head main body 7; Promoting injection head main body 7 laterally moves; By the time after another sidewall of injection head main body 7 was adjacent to the piston rod of first transverse hydraulic cylinder 4, the lateral displacement action of injection head main body 7 had been accomplished in the action of stop solution press pump; At last reversal valve is switched to closed circuit state, the connecting pipeline between blocking-up hydraulic pump and the transverse hydraulic cylinder 4, and can be with on the locked positions after mobile of injection head main body 7 and non-migration.
Preferable, the piston rod end of the transverse hydraulic cylinder 4 of injection head transverse-moving mechanism is provided with cushion pad, so that during its contact ejection injection head main body 7, can not damage injection head main body 7; And cushion pad can be the material that rubber etc. has cushioning effect.
Please refer again to Fig. 1 and shown in Figure 3, preferable, the injection head device of the utility model comprises the injection head switching mechanism, and it comprises that two are hubbed at the side hydraulic cylinder 5 on the said guide pillar 3, and two said side hydraulic cylinders 5 can endwisely slip along said guide pillar 3; Its piston rod end is corresponding respectively to connect said injection head biside plate 8, and said side hydraulic cylinder 5 can be parallel to said side plate 8 and around the tie point rotation of its piston rod and said side plate 8.Injection head main body 7 is the rotations that realize the certain angle scope of the reciprocating drive through said side hydraulic cylinder 5; One end of two side direction hydraulic cylinders 5 axially is respectively equipped with pivoted hole along vertical and lateral hydraulic cylinder 5; Wherein guide pillar 3 wears the pivoted hole of two side direction hydraulic cylinders 5, and the other end of two side direction hydraulic cylinders 5 can be parallel to respectively on the biside plate 8 that side plate 8 is rotatably fixed to injection head main body 7; Therefore, when elongating or shortening, promote injection head main body 7 and rotate around main shaft 2 in 5 actions of side hydraulic cylinder.Preferable, side hydraulic cylinder 5 is near the lower limb setting of injection head main body 7 biside plates 8, that is and, the position of the two ends of hydraulic cylinder and said main shaft 2 forms a triangle, and not on same straight line.
Preferable, as shown in the figure, two guide pillars 3 lay respectively at main shaft, and about in the of 2 both sides, and the guide pillar of below 3 provides the installation site for side hydraulic cylinder 5, and it can be rotated around guide pillar 3; 3 of the guide pillars of top can play limit rotation angle and support.
The injection head switching mechanism of the utility model injection head device, preferable, its injection head main body 7 in side plate 8 edges near top guide pillar 3 be provided with can ccontaining this guide pillar 3 draw-in groove; When making this injection head main body 7 turn to these guide pillar 3 positions, can be firm fasten limits the slewing area of this injection head main body 7; And this guide pillar 3 also can play the effect of support for the pipeline of the horizontal direction transferred in the work progress.
The injection head switching mechanism of the utility model injection head device; Preferable; Injection head main body 7 is 45 ° around the angular range that main shaft 2 rotates, and makes injection head main body 7 in the vertical directions have the adjusting range of a preset height, adapts to the requirement of differing heights construction well head.
The injection head switching mechanism of the utility model injection head device; Preferable; Two side hydraulic cylinders 5 are connected with a reversal valve (not shown); Promptly move simultaneously,, protect whole injection head switching mechanism to guarantee the uniformity of injection head main body 7 left and right sides rotational angles via two side hydraulic cylinders 5 of a reversal valve control.
Like Fig. 5 and shown in Figure 6; The injection head device of the utility model includes the coiled tubing hold-down mechanism; This coiled tubing hold-down mechanism comprises a plurality of hydraulic radial cylinders 6 that radially are arranged at said injection head main body 7 side plates 8 along said circular arc guide groove, and the base of said hydraulic radial cylinder 6 is fixed on the said side plate 8; 9 of hinged said outer pinch rollers in the piston rod end of said hydraulic radial cylinder 6 in an end in said side plate 8 outsides; The other end that said outer pinch roller is 9 in said side plate 8 inboards be articulated with said outside pinch roller 9; 9 middle parts of said outer pinch roller are connected with the edge of said injection head main body 7 side plates 8, and said wheel pressing shaft 11 can rotate perpendicular to the tangential direction of this tie point around the tie point at itself and said side plate 8 edges.
The preferred embodiment of the coiled tubing hold-down mechanism of the utility model injection head device as shown in the figure; This circular arc guide groove is provided with the contact roller (outer pinch roller 9 and interior pinch roller 10) that compresses pipeline and use; And contact roller is arranged along the camber line of circular arc guide groove; Give enough pressure of pipeline and frictional force uniformly, pipeline can be advanced and turn to smoothly.The base of a plurality of said hydraulic radial cylinders 6 is fixed in a wherein said side plate 8 outsides; And said hydraulic radial cylinder 6 can rotate along the diametric(al) of said circular arc guide groove; So that when the piston rod movement of hydraulic radial cylinder 6, whole hydraulic radial cylinder 6 can rotate along the plane of moving.Said hydraulic radial cylinder 6 is connected with hydraulic power unit, and the power of hydraulic radial cylinder 6 is provided through hydraulic power unit; Corresponding each the said hydraulic radial cylinder 6 of the ora terminalis of this side plate 8 is respectively equipped with one can be perpendicular to the wheel pressing shaft 11 of said circular arc guide groove tangential direction rotation; This wheel pressing shaft 11 is striden the both sides of being located at this side plate 8; And can be fulcrum with junction, wave to both sides with this side plate 8; The corresponding respectively outboard end with a wheel pressing shaft 11 in the piston rod end of each said hydraulic radial cylinder 6 is hinged, and the medial extremity of each said wheel pressing shaft 11 is articulated with outer pinch roller 9 respectively; So; When hydraulic radial cylinder 6 is driven; When piston rod was protruding, piston rod just can promote wheel pressing shaft 11, made the interior side oscillation of wheel pressing shaft 11 toward this side plate 8; And the outer pinch roller 9 of wheel pressing shaft 11 medial extremitys also one in the same way main shaft 2 directions near, reach inwardly extruding and strengthen purpose of outer pinch roller 9 to the pressure of pipeline; Corresponding each said outer pinch roller 9 inboard are respectively equipped with pinch roller 10 in; Through being equipped with of interior pinch roller 10 and outer pinch roller 9; Can form one supply pipeline to advance the passage that passes through, pipeline receives the extruding of outer pinch roller 9 in this passage the time; Because function of friction is carried out pipeline and the rotation and the advancing of pipeline of outer pinch roller 9 and interior pinch roller 10 synchronously; Simultaneously because 9 pairs of vertical tangential directions of coiled tubing of inside and outside pinch roller apply evenly, continous-stable compress strength, so the more effective continuous pipe that reduce of ability is lowered to the infringement that receives owing to the pressure inequality in the process.In addition, the setting of a plurality of hydraulic radial cylinders 6 also makes the stressed more homogeneous and controllable of pipeline.
The coiled tubing hold-down mechanism of the utility model injection head device; Preferable; A plurality of hydraulic radial cylinders 6 along one be parallel to said circular arc guide groove camber line be fixed on the side plate 8, the radius of this camber line is less than the radius of said circular arc guide groove, and is the center of circle with main shaft 2; Promptly; A plurality of hydraulic radial cylinders 6 edges are on the corresponding position of said circular arc guide groove with the concentric circles setting of circular arc guide groove, make each hydraulic radial cylinder 6 equate that with distance between the corresponding wheel pressing shaft 11 in circular arc guide groove edge the pressure that outer pinch roller 9 is put on the pipeline keeps stable.
Preferable, the coiled tubing hold-down mechanism of the utility model injection head device, as shown in the figure; The coiled tubing hold-down mechanism is evenly distributed with 11 hydraulic radial cylinders 6 along this camber line; Simultaneously correspondence be provided with 11 wheel pressing shafts 11, outer pinch roller 9 and in pinch roller 10, be combined into the structure of a continuous feed-line, aforesaid hydraulic radial cylinder 6 set-up modes; Said 11 hydraulic radial cylinders 6 drive the action that outer pinch roller 9 compressed and unclamped pipeline, can make the whole pressure of pipeline more uniform and stable.When said hydraulic radial cylinder 6 was connected with same hydraulic power unit, operating personnel also only need hydraulic power unit of operation just can realize the control to all hydraulic radial cylinders 6, and were simple and effective.
The coiled tubing hold-down mechanism of the utility model; In its preferred implementation; This coiled tubing hold-down mechanism extends in the tangential direction of the lower end of this camber line and also is provided with two side by side in order to smooth out with the fingers the hydraulic cylinder of straight pipe-line, whereby, pipeline march to said outer pinch roller 9 and in during pipeline passway terminal of circular arc of pinch roller 10 cooperation formation; Make pipeline continue to receive the effect of outer pinch roller 9 and interior pinch roller 10; Continue straight ahead, reach the effect of smoothing out with the fingers the pipeline of directly being bent, make oil pipe before getting into oil well, reply rectilinear form.
As stated; The coiled tubing hold-down mechanism of the utility model; In preferred implementation, can adopt the drive unit of hydraulic cylinder, but not as limit; The utility model also can adopt other type of drive, and for example perhaps other can be installed on the drive unit on the injection head main body 7 to pneumatic cylinder.
The utility model adopts one or more hydraulic power units that a plurality of hydraulic cylinders are driven simultaneously, make each hydraulic radial cylinder 6 can synchronization job, more effective pipeline stressed more even in being lowered to process that guaranteed, and it is more smooth to be lowered to the pipeline operation.
In addition, the utility model can be according to the size in the practical application, and the size of pipeline, different inside and outside pinch rollers 9 and hydraulic radial cylinder 6 are set, and the quantity of hydraulic radial cylinder 6 can be set also according to actual conditions, not as limit.
Please refer again to shown in Figure 5, the injection head device of the utility model, preferable, also be provided with a strip hydraulic cylinder seat board 20, be fixed between a plurality of said hydraulic radial cylinders 6 and the said side plate 8, be integrally formed formula multi-cylinder pressurized detent mechanism.
Be fixed with said hydraulic cylinder seat board 20 on the side plate 8 of this injection head main body 7, said hydraulic cylinder seat board 20 is provided with bindiny mechanism, and a plurality of hydraulic radial cylinders 6 are fixed on the said injection head main body 7 via the bindiny mechanism on this hydraulic cylinder seat board 20.Hydraulic radial cylinder 6 is arranged on the hydraulic cylinder seat board 20; Avoided the opposition of hydraulic radial cylinder 6 to directly act on the side plate 8 of injection head main body 7; Can play the effect of protection injection head main body 7, also can avoid hydraulic radial cylinder 6 to receive that peri-position moves etc. simultaneously and cause the situation of hydraulic radial cylinder 6 cisco unity malfunctions to occur.
Preferable, the bindiny mechanism of said hydraulic cylinder seat board 20 is a bolt connecting mechanism.Through on hydraulic cylinder seat board 20, offering screw; The base of hydraulic radial cylinder 6 is passed the screw of hydraulic cylinder seat board 20 via bolt and secures on the side plate 8 of injection head main body 7; Make firm being positioned on the hydraulic cylinder seat board 20 of base of hydraulic radial cylinder 6, and locate each other with the side plate 8 of injection head main body 7.And above-mentioned bindiny mechanism is a kind of preferred embodiment of the utility model; Not as limit, the utility model also can be fixed in hydraulic radial cylinder 6 on the side plate 8 that hydraulic cylinder seat board 20 is positioned injection head main body 7 through other various bindiny mechanisms (like trip etc.).
Please combine shown in Figure 6 in the lump; The integral type multi-cylinder pressurized detent mechanism of the utility model injection head device, preferable, said hydraulic cylinder seat board 20 1 sides have the top that raises up; And this top is arranged on the edge of the opposition side of corresponding hydraulic radial cylinder 6 directions of motion on the hydraulic cylinder seat board 20; And this top is replaced at the edge of hydraulic radial cylinder 6 bases, and this top is pushed away in the process of stretching at its piston rod at hydraulic radial cylinder 6, can more effectively play the effect of support.Further, said top and the base of the said hydraulic radial cylinder 6 part shape that contacts is consistent corresponding, can closely cooperate, and guarantees to keep the preset direction of motion and not deflection in hydraulic radial cylinder 6 courses of work.Be provided with spacing distance between said hydraulic cylinder seat board 20 and the said circular arc guide groove, and be provided with in parallel to each other with said circular arc guide groove edge.The pipeline that needs the below in the circular arc guide groove of injection head main body 7 along the bending direction importing of circular arc guide groove; Hydraulic radial cylinder 6 acts on the outer pinch roller 9 at this circular arc guide groove edge; In order to compress the pipeline of transferring; So that what guarantee to transfer pipeline normally is lowered to operation; And the base of hydraulic radial cylinder 6 rear sides is arranged on the hydraulic cylinder seat board 20 that is parallel to each other with the circular arc guide groove, makes the main shaft 2 of hydraulic radial cylinder 6 vertical with the tangential direction at place circular arc guide groove and hydraulic cylinder seat board 20 places, obtains firm support when effectively having guaranteed 6 work of hydraulic radial cylinder; Keep hydraulic radial cylinder 6 directions of motion to immobilize, thereby avoid 6 work of hydraulic radial cylinder undesired and pipeline that cause gets loose and the appearance of problem such as pressure tension.
Please refer again to Fig. 2 and shown in Figure 7; The injection head device of the utility model; Preferable, this injection head device comprises multilevel gear drive mechanism, and this multilevel gear drive mechanism comprises a PTO 16, a master gear 12 and the travelling gear of one-level at least; This PTO 16 is installed on the side plate 8 of said injection head, and this PTO 16 axially and said main shaft 2 parallel; Said master gear 12 is sheathed on the output shaft 19 of said PTO 16; The said master gear 12 in said injection head side plate 8 upper edges is provided with the said travelling gear of one-level at least in regular turn to the direction of said circular arc guide groove, and said travelling gear and the said travelling gear of one of them upper level of each back one-level are meshing with each other; The said travelling gear of afterbody is provided with said interior pinch roller 10 corresponding engagements.
The multilevel gear drive mechanism of the utility model injection head device comprises that PTO 16, master gear 12 reach the follow-up travelling gear of one-level at least; Said PTO 16 be one can for this transmission mechanism provide the transmission power power source; It is installed on the side plate 8 of said injection head main body 7; In the present embodiment; What this PTO 16 was preferable is a hydraulic motor, and the main body of this hydraulic motor is fixedly installed on side plate 8 outsides of said injection head main body 7, and its main shaft 2 passes this side plate 8 and stretches in the injection head main body 7 between the biside plate 8; This PTO 16 axially and said main shaft 2 parallel so that the drive mechanism that driven in parallel is arranged in parallel with it; Said master gear 12 is sheathed on the output shaft 19 of said PTO 16; The said master gear 12 in said injection head side plate 8 upper edges is provided with the travelling gear of one-level at least in regular turn to the direction of said circular arc guide groove, and said travelling gear and the said travelling gear of one of them upper level of each back one-level are meshing with each other; The travelling gear of each previous stage can drive the travelling gear of a plurality of backs one-level; Then the travelling gear of one-level only is provided with the travelling gear engagement of one of them previous stage; Therefore; After master gear 12 and multistage travelling gear combine, formed the diffusion structure that extends to circular arc guide groove direction with main shaft 2, thus the outwards transmission step by step in regular turn of the power of device 16 outputs that output power.The said travelling gear of afterbody with said in the corresponding engagement of pinch roller 10 be provided with and make PTO 16 be able to drive in pinch roller 10 rotate along preset speed and direction, thereby driving pipeline advances to preset direction, the injection operation of completion coiled tubing.
In the embodiment of one of the multilevel gear drive mechanism of the utility model injection head device; Preferable; Equate with distance between the said main shaft 2 with each said travelling gear in the said travelling gear of one-level, and the distance of 2 on the back said travelling gear of one-level and said main shaft is greater than the distance of 2 on the said travelling gear of previous stage and said main shaft; Concrete; Travelling gear is hubbed on the fixed axis of gear centre via bearing, and is fixed between the biside plate 8, and with each fixed axis of one-level travelling gear all along being to be provided with at interval on the circular arc in the center of circle with main shaft 2; Like this; All equate with the size of one-level travelling gear and with distance between the main shaft 2, guarantee the synchronous rotating effect of pinch rollers 10 in all in the ordinary course of things, pipeline is injected smoothly.The equidimension of above-mentioned travelling gears at different levels and spacing setting are a kind of preferred implementation of the utility model, and the setting of travelling gear also can be spacing and the set-up mode that differs in size, and demand decision that need be concrete according to the scene is not as limit.
The multilevel gear drive mechanism of the utility model injection head device as shown in the figure in preferred embodiment, includes three grades of travelling gears, comprising two first order travelling gears 13, three second level travelling gears 14 and six third level travelling gears 15; Two first order travelling gears 13 are provided with at interval; And be positioned at main shaft 2 and be meshing with each other with master gear 123 respectively at the same distance place at interval; Three second level travelling gears 14 be provided with, and be arranged at interval with main shaft 2 at interval corresponding respectively one of them with first order travelling gear 13 in same distance place be meshing with each other six third level travelling gears 15 settings at interval; And be arranged in main shaft 2 at interval one of them of the corresponding respectively and second level travelling gear 14 in same distance place be meshing with each other; At last, pinch roller 10 in third level travelling gear 15 corresponding the drivings rotates each interior pinch roller 10 synchronously.
Preferable, the multilevel gear drive mechanism of the utility model injection head device in the present embodiment, is provided with 12 interior pinch rollers 10, and the said travelling gear engagement of each interior pinch roller 10 and one of them afterbody is provided with.Formed the diffusion structure of one-level gear behind two of each previous stage gear drivens, the size of the travelling gear of the utility model also can require according to the speed of velocity of rotation to be configured, and plays the effect of regulating rotating speed.Also can be through the mode of dismounting, installing and replacing, the progression that increases or reduce travelling gear is regulated the velocity of rotation of interior pinch roller 10 and the size of driving force, adapts to different actual conditions.
Please with reference to Fig. 8 and shown in Figure 9; The utility model injection head device comprises the sensor detent mechanism; The output shaft 19 of said PTO 16 is connected with shaft coupling 17; The other end of this shaft coupling 17 is connected with the power shaft of a tachogenerator 18, and the output shaft 19 of said PTO 16 is connected with the power shaft of said tachogenerator 18 is coaxial; This tachogenerator 18 is fixedly set on another side plate 8.
The said sensor detent mechanism of the utility model embodiment is installed on the output shaft 19 and side plate 8 of PTO 16 of injection head device; Said sensor detent mechanism comprises tachogenerator 18 (for example being encoder), and it is arranged on another side plate 8; Shaft joint is connected between the output shaft 19 and said tachogenerator 18 of said PTO 16, adopts key to fix between the output shaft 19 of PTO 16 and the shaft joint.Further, said tachogenerator 18 is an encoder, tests the speed accurately, is convenient to install.
The output shaft 19 of said PTO 16, shaft joint and said 18 coaxial connections of tachogenerator; Promptly when the output shaft 19 of PTO 16 rotates; The axis that drives shaft coupling 17 and tachogenerator 18 rotates, thereby makes tachogenerator 18 can detect the rotating speed of PTO 16 and the angle of rotation.
Preferable; Shown in PTO 16 be hydraulic motor, shown in hydraulic motor and the shaft coupling that being connected of encoder adopts rigidity 17 connect, the employing key is fixed between axle and the shaft coupling 17; Be processed with spiral groove on the shaft coupling 17; Make the shaft coupling 17 of rigidity that certain flexibility arranged, in the time of can guaranteeing that hydraulic motor and the encoder axiality in operation process is in certain error range, encoder still can be along with hydraulic motor rotates together; Accurately detect the rotating speed of hydraulic motor, the depth of setting of accurate Calculation coiled tubing.
In sum, the injection head device of the utility model, the primary structure of the embodiment that one of which is more excellent is following, comprising:
Arm hangs bindiny mechanism 1, injection head main body 7, outer pinch roller 9 and interior pinch roller 10; Arm hangs bindiny mechanism 1 and comprises biside plate 8 that is oppositely arranged side by side and main shaft 2 and a plurality of guide pillar 3 that connects biside plate 8; Injection head main body 7 is for having the housing of a circular arc guide groove and biside plate 8; Be positioned at the corresponding circle centre position of this circular arc guide groove on the said side plate 8 and offer connecting hole; Said main shaft 2 is arranged in the said connecting hole, and this injection head main body 7 can be around the radially rotation and the endwisely slipping along this main shaft 2 of this main shaft 2; A plurality of outer pinch rollers 9 be spaced along said circular arc guide groove outermost distributed and arranged, and be fixed in said side plate 8 edges via 9 of outer pinch rollers; Pinch roller 10 corresponding said outer pinch rollers 9 are arranged at said outer pinch roller 9 inboards in a plurality of, are fixed on the said side plate 8 via 10 of interior pinch rollers, and cooperate formation one level to be arranged to the crooked pipeline transfer passage of vertical direction with said outer pinch roller 9.
Multilevel gear drive mechanism comprises a PTO 16, a master gear 12 and the travelling gear of one-level at least, and this PTO 16 is installed on the side plate 8 of said injection head, and this PTO 16 axially and said main shaft 2 parallel; Said master gear 12 is sheathed on the output shaft 19 of said PTO 16; The said master gear 12 in said injection head side plate 8 upper edges is provided with the said travelling gear of one-level at least in regular turn to the direction of said circular arc guide groove, and said travelling gear and the said travelling gear of one of them upper level of each back one-level are meshing with each other; The said travelling gear of afterbody is provided with said interior pinch roller 10 corresponding engagements.
The sensor detent mechanism, said hydraulic motor output shaft 19 is connected with shaft coupling 17, and the other end of this shaft coupling 17 is connected with the power shaft of a tachogenerator 18, and said hydraulic motor output shaft 19 is connected with the power shaft of said tachogenerator 18 is coaxial; This tachogenerator 18 is fixedly set on another side plate 8.
The injection head transverse moving mechanism, it comprises that two transverse hydraulic cylinder 4, the two said transverse hydraulic cylinders 4 that are oppositely arranged are arranged on the biside plate 8, and the piston rod end of two said transverse hydraulic cylinders 4 arranged outside of corresponding said injection head main body 7 biside plates 8 respectively;
The injection head switching mechanism, it comprises that two are hubbed at the side hydraulic cylinder 5 on the said guide pillar 3, and two said side hydraulic cylinders 5 can endwisely slip along said guide pillar 3; Its piston rod end is corresponding respectively to connect said injection head biside plate 8, and said side hydraulic cylinder 5 can be parallel to said side plate 8 and around the tie point rotation of its piston rod and said side plate 8.
The coiled tubing hold-down mechanism comprises a plurality of hydraulic radial cylinders 6 that radially are arranged at said injection head main body 7 side plates 8 along said circular arc guide groove, and the base of said hydraulic radial cylinder 6 is fixed on the said side plate 8; 9 of hinged said outer pinch rollers in the piston rod end of said hydraulic radial cylinder 6 in an end in said side plate 8 outsides; The other end that said outer pinch roller is 9 in said side plate 8 inboards be articulated with said outside pinch roller 9; 9 middle parts of said outer pinch roller are connected with the edge of said injection head main body 7 side plates 8, and said wheel pressing shaft 11 can rotate perpendicular to the tangential direction of this tie point around the tie point at itself and said side plate 8 edges.
Integral type multi-cylinder pressurized detent mechanism, it is a strip hydraulic cylinder seat board 20, is fixed between a plurality of said hydraulic radial cylinders 6 and the said side plate 8.
The arm of the injection head of the utility model hang bindiny mechanism 1 be a kind of both arms hang with injection head between dynamic and static two guide pillars that combine 3 formula bindiny mechanisms; For the injection head device provides the installation site; The injection head device hangs through the utility model and vehicle-mounted both arms and links into an integrated entity; The operation that height that hangs through the adjustment both arms during construction and length can realize aiming at well head, the injection head device can rotate up and down and move left and right on the utility model simultaneously, cooperates to accomplish the operation of aiming at well head.This mechanism has compact conformation, stable, and volume is less, the reliable operation characteristics.
Wherein, The injection head switching mechanism adopts the reciprocating motion control injection head device of hydraulic cylinder around the method for main shaft 2 in the certain angle rotation; A kind of hydraulic driven switching mechanism is provided, and the construction well head to differing heights can provide accurate flip angle; Can make suitable height to the injection head device and regulate, aim at the requirement of well head height operation to adapt to the injection head device.Simultaneously coiled tubing is directed to vertical direction from horizontal direction, have simple in structure, the characteristics of reliable operation.
And multilevel gear drive mechanism is arranged in the multi-stage gear group respectively on the curved surface of injection head device different radii; Drive step by step; Can the power of hydraulic motor output be delivered to step by step the hold-down mechanism of injection head device, the interior pinch roller 10 of hold-down mechanism is rotated according to setting speed and direction, drive outer pinch roller 9 through feed-line and rotate synchronously; Therefore pipeline can be realized multistage speed change in the same way, equate with wheelbase transferring power, output torque, accomplishes the injection to coiled tubing.
In addition; Its sensor detent mechanism is simple in structure, and reliable operation can accurately be located hydraulic motor and encoder; When guaranteeing that hydraulic motor and the axiality of encoder in operation process are in certain error range; Encoder still can accurately detect the rotating speed of hydraulic motor along with hydraulic motor rotates together, the depth of setting of accurate Calculation coiled tubing.
The above is merely the schematic specific embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (8)
1. an injection head device is characterized in that, this injection head device comprises:
Arm hangs bindiny mechanism, comprises biside plate that is oppositely arranged side by side and main shaft and a plurality of guide pillar that connects biside plate;
The injection head main body; It is the housing with a circular arc guide groove and biside plate; Be positioned at the corresponding circle centre position of this circular arc guide groove on the said side plate and offer connecting hole; Said main shaft is arranged in the said connecting hole, and this injection head main body can be around the radially rotation and the endwisely slipping along this main shaft of this main shaft;
A plurality of outer pinch rollers, be spaced along said circular arc guide groove outermost distributed and arranged, and be fixed in said side plate edge via outer wheel pressing shaft;
Pinch roller in a plurality of, it is inboard that corresponding said outer pinch roller is arranged at said outer pinch roller, is fixed on the said side plate via interior wheel pressing shaft, and cooperates formation one level to be arranged to the crooked pipeline transfer passage of vertical direction with said outer pinch roller.
2. injection head device as claimed in claim 1; It is characterized in that; This injection head device also comprises the injection head transverse moving mechanism; It comprises the two transverse hydraulic cylinders that are oppositely arranged, and two said transverse hydraulic cylinders are arranged on the biside plate, and the piston rod end of the two said transverse hydraulic cylinders arranged outside of corresponding said injection head main body biside plate respectively.
3. injection head device as claimed in claim 1 is characterized in that, this injection head device also comprises the injection head switching mechanism, and it comprises that two are hubbed at the side hydraulic cylinder on the said guide pillar, and two said side hydraulic cylinders can endwisely slip along said guide pillar; Its piston rod end is corresponding respectively to connect said injection head biside plate, and said side hydraulic cylinder can be parallel to said side plate and around the tie point rotation of its piston rod and said side plate.
4. injection head device as claimed in claim 1; It is characterized in that; This injection head device also comprises the coiled tubing hold-down mechanism, comprises a plurality of hydraulic radial cylinders that radially are arranged at said injection head main body side plate along said circular arc guide groove, and the base of said hydraulic radial cylinder is fixed on the said side plate; End outside said side plate of the hinged said outer wheel pressing shaft in piston rod end of said hydraulic radial cylinder; The other end of said outer wheel pressing shaft in said side plate inboard be articulated with said outside pinch roller; Said outer wheel pressing shaft middle part is connected with the edge of said injection head main body side plate, and said wheel pressing shaft can be around the tangential direction rotation perpendicular to this tie point of the tie point at itself and said side plate edge.
5. injection head device as claimed in claim 1 is characterized in that, this injection head device also comprises integral type multi-cylinder pressurized detent mechanism, and it is a strip hydraulic cylinder seat board, is fixed between a plurality of said hydraulic radial cylinders and the said side plate.
6. injection head device as claimed in claim 1; It is characterized in that; This injection head device also comprises multilevel gear drive mechanism; Comprise that a PTO, a master gear reach the travelling gear of one-level at least, this PTO is installed on the side plate of said injection head, and this PTO is axially parallel with said main shaft; Said master gear is sheathed on the output shaft of said PTO; The said master gear in said injection head side plate upper edge is provided with the said travelling gear of one-level at least in regular turn to the direction of said circular arc guide groove, and said travelling gear and the said travelling gear of one of them upper level of each back one-level are meshing with each other; The said travelling gear of afterbody is provided with the corresponding engagement of said interior pinch roller.
7. injection head device as claimed in claim 6; It is characterized in that; This injection head device also comprises the sensor detent mechanism; Said hydraulic motor output shaft is connected with shaft coupling, and the other end of this shaft coupling is connected with the power shaft of a tachogenerator, and said hydraulic motor output shaft is connected with the power shaft of said tachogenerator is coaxial; This tachogenerator is fixedly set on another side plate.
8. injection head device as claimed in claim 7 is characterized in that, this injection head device also comprises:
The injection head transverse moving mechanism, it comprises the two transverse hydraulic cylinders that are oppositely arranged, two said transverse hydraulic cylinders are arranged on the biside plate, and the piston rod end of the two said transverse hydraulic cylinders arranged outside of corresponding said injection head main body biside plate respectively;
The injection head switching mechanism, it comprises that two are hubbed at the side hydraulic cylinder on the said guide pillar, and two said side hydraulic cylinders can endwisely slip along said guide pillar; Its piston rod end is corresponding respectively to connect said injection head biside plate, and said side hydraulic cylinder can be parallel to said side plate and around the tie point rotation of its piston rod and said side plate;
The coiled tubing hold-down mechanism comprises a plurality of hydraulic radial cylinders that radially are arranged at said injection head main body side plate along said circular arc guide groove, and the base of said hydraulic radial cylinder is fixed on the said side plate; End outside said side plate of the hinged said outer wheel pressing shaft in piston rod end of said hydraulic radial cylinder; The other end of said outer wheel pressing shaft in said side plate inboard be articulated with said outside pinch roller; Said outer wheel pressing shaft middle part is connected with the edge of said injection head main body side plate, and said wheel pressing shaft can be around the tangential direction rotation perpendicular to this tie point of the tie point at itself and said side plate edge;
Integral type multi-cylinder pressurized detent mechanism, it is a strip hydraulic cylinder seat board, is fixed between a plurality of said hydraulic radial cylinders and the said side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203978164U CN202228020U (en) | 2011-10-18 | 2011-10-18 | Injection head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203978164U CN202228020U (en) | 2011-10-18 | 2011-10-18 | Injection head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228020U true CN202228020U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011203978164U Expired - Fee Related CN202228020U (en) | 2011-10-18 | 2011-10-18 | Injection head device |
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| CN (1) | CN202228020U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147702A (en) * | 2013-03-06 | 2013-06-12 | 宝鸡通力鼎新专用汽车有限公司 | Injection head motion device of continuous string coiled tubing unit |
| CN103206202A (en) * | 2012-11-30 | 2013-07-17 | 中国石油大学(北京) | Deep-sea pipe-in-pipe mechanical transfer characteristic analysis experiment device |
| CN103256014A (en) * | 2012-11-30 | 2013-08-21 | 中国石油大学(北京) | Injector head experimental device for tripping coiled tubing into marine riser |
-
2011
- 2011-10-18 CN CN2011203978164U patent/CN202228020U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206202A (en) * | 2012-11-30 | 2013-07-17 | 中国石油大学(北京) | Deep-sea pipe-in-pipe mechanical transfer characteristic analysis experiment device |
| CN103256014A (en) * | 2012-11-30 | 2013-08-21 | 中国石油大学(北京) | Injector head experimental device for tripping coiled tubing into marine riser |
| CN103206202B (en) * | 2012-11-30 | 2016-06-01 | 中国石油大学(北京) | A kind of deep-sea tube-in-tube mechanics transmission characteristic analysis design mothod device |
| CN103256014B (en) * | 2012-11-30 | 2016-08-03 | 中国石油大学(北京) | It is a kind of for the injection head experimental provision of marine riser will be entered under coiled tubing |
| CN103147702A (en) * | 2013-03-06 | 2013-06-12 | 宝鸡通力鼎新专用汽车有限公司 | Injection head motion device of continuous string coiled tubing unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20201018 |