CN104929546A - Continuous oil pipe injection head clamping device - Google Patents
Continuous oil pipe injection head clamping device Download PDFInfo
- Publication number
- CN104929546A CN104929546A CN201510360139.1A CN201510360139A CN104929546A CN 104929546 A CN104929546 A CN 104929546A CN 201510360139 A CN201510360139 A CN 201510360139A CN 104929546 A CN104929546 A CN 104929546A
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- China
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- grip block
- injection head
- clamping device
- bearing pin
- coiled tubing
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Abstract
The invention discloses a continuous oil pipe injection head clamping device which comprises clamping blocks, pressing plates, pin shafts and clamping block brackets. The overall clamping blocks are in a saddle shape, the bottom faces of the clamping blocks are planes, the clamping blocks are longitudinally provided with circular arc grooves corresponding to the outer diameter of a continuous oil pipe, the two sides of the bottoms of the clamping blocks are provided with installing faces, and the middles of the clamping block installing faces are provided with clamping grooves; the top faces of the clamping block brackets are provided with two bosses corresponding to the clamping grooves; the bosses are vertically provided with pin shaft holes, the pin shafts are installed from the bottoms of the pin shaft holes, the lower ends of the pin shafts are provided with springs, the upper ends of the pin shafts stretch out from upper end openings of the pin shaft holes to be connected with the pressing plates, the springs tension the pressing plates through the pin shafts, and the pressing plates press the clamping block installing faces on the two sides of the clamping blocks. According to the continuous oil pipe injection head clamping device, the disassembly and assembly are convenient, and time is saved; the wear to the oil pipe is reduced; gaskets between the clamping blocks and the clamping block brackets are play a buffer action, the damage of impact to the continuous oil pipe can be reduced, and it is guaranteed that the multiple pairs of the clamping blocks can clamp the oil pipe simultaneously.
Description
Technical field
The present invention relates to a kind of coiled tubing injection head clamping device, is exactly specifically a kind ofly clamp and carry the device of coiled tubing injection head.
Background technology
Injection head is the core component of continuous oil pipe device, and clamping device is one of most important parts on injection head, and its effect is clamping coiled tubing and carries coiled tubing.There is following defect in the clamping device that current injection head uses: the oil well due to different bore needs the coiled tubing of different size, so need often to change grip block in operation process, because fixing bolt multiple spots that adopt of conventional grip block and grip block bracket are fixed more, special instrument is needed during replacing, more loaded down with trivial details; Grip block and the many employings of grip block bracket are rigidly connected, and grip block impacts large to oil pipe, serious wear, use multiple clamping often to occur the situation that grip block can not contact with oil pipe simultaneously increasing the local stress on oil pipe surface; Grip block and grip block bracket with bolts, grip block can not slide on grip block bracket, accelerates the wearing and tearing of grip block to oil pipe.
Summary of the invention
The present invention in order to solve existing coiled tubing injection head clamping device exist deficiency, a kind of coiled tubing injection head clamping device is provided, this coiled tubing injection head clamping device easy accessibility, to oil pipe wearing and tearing little, good clamping effect.
The present invention solves the technical scheme that its technical problem takes: a kind of coiled tubing injection head clamping device, comprise grip block 1, pressing plate 3, bearing pin 4, grip block bracket 6, grip block 1 entirety is saddle, grip block 1 bottom surface is plane, grip block 1 is longitudinally provided with the arc groove 101 corresponding with coiled tubing external diameter, grip block 1 two bottom sides is grip block installed surface, is provided with draw-in groove 102 in the middle part of grip block installed surface; Grip block bracket 6 end face is provided with two boss 602 corresponding with draw-in groove 102, the draw-in groove 102 of grip block 1 snaps in the boss 602 of grip block bracket 6; Pressing plate 3 is strip, and boss 602 top is provided with groove 603, and groove 603 width is greater than pressing plate 3 width, and groove 603 width is less than pressing plate 3 length; Boss 602 is vertically provided with pin shaft hole, pin shaft hole is stepped hole, the internal diameter of pin shaft hole lower part is greater than the internal diameter of upper part, bearing pin 4 lower end arranges a shaft shoulder 402, size, the profile of bearing pin 4 are corresponding with pin shaft hole, bearing pin 4 loads bottom pin shaft hole, bearing pin 4 lower end is provided with spring 5, spring 5 one end contacts with the shaft shoulder 402 on bearing pin 4, the other end contacts with the step in pin shaft hole, rear connection pressing plate 3 is stretched out from pin shaft hole upper port in bearing pin 4 upper end, and pressing plate 3 is strained by bearing pin 4 by spring 5, the grip block installed surface of pressing plate 3 compression clamping block 1 both sides.Grip block 1 can slide on grip block bracket 6.
As optimization, the cross section that pressing plate 3 position is installed in described bearing pin 4 upper end is the abnormity that circle or circle cut the formation of at least one cutter, pressing plate 3 is provided with the installing hole of correspondingly-shaped.
As optimization, the installing hole on described pressing plate 3 is circular, is interference fit between bearing pin 4 and pressing plate 3.
As optimization, described arc groove 101 evenly arranges multiple tracks groove 103.
As optimization, described a kind of coiled tubing injection head clamping device also comprises draw ring 2, and draw ring 2 is arranged on bearing pin 4 top, and bearing pin 4 top correspondence is provided with draw ring installing hole 401.During dismounting grip block 1, pull draw ring 2 to mention bearing pin 4, by pressing plate 3 90-degree rotation, grip block 1 can be taken off from grip block bracket 6.
As optimization, described a kind of coiled tubing injection head clamping device also comprises pad 7, pad 7 is arranged between grip block 1 and grip block bracket 6, pad 7 shape is identical with grip block 1 bottom face profile, pad 7 both sides are provided with the draw-in groove A701 corresponding with draw-in groove 102, and pad 7 is provided with multiple through hole 702.Pad 7 cushioning effects, can absorb the impact of grip block 1 pair of coiled tubing, also play certain regulating action simultaneously, and multipair grip block 1 can be made to hold oil pipe tightly, and through hole 702 can store greasy dirt and foreign material simultaneously.
As optimization, described through hole 702 is circular hole.
As optimization, described pad 7 is corrosion resistant elastic polymer material.
As optimization, bottom described grip block bracket 6, at least two pieces of gussets 601 are set, gusset 601 are provided with installing hole 604.
The invention has the beneficial effects as follows: compared with prior art, the present invention leans on the bearing pin with spring to be fixed on grip block bracket in conjunction with pressing plate due to grip block, only needs to pull bearing pin, easy accessibility, save time when dismounting and installation; Grip block and grip block tray chamber leave gap, and grip block can slide on grip block bracket according to oil pipe position, decreases the wearing and tearing to oil pipe; There is pad between grip block and grip block bracket, play cushioning effect, the damage impacted coiled tubing can be reduced, and can ensure that multipair grip block holds oil pipe tightly simultaneously.
Accompanying drawing explanation
Fig. 1 is front view half sectional view of the present invention.
Fig. 2 is left view of the present invention.
Fig. 3 is top view of the present invention.
Fig. 4 is grip block front view.
Fig. 5 is grip block top view.
Fig. 6 is grip block left view half sectional view.
Fig. 7 is the front view half sectional view that the present invention removes grip block.
Fig. 8 is the left view that the present invention removes grip block.
Fig. 9 is bearing pin overall construction drawing.
Figure 10 is pad overall construction drawing.
Figure 11 is grip block stationary state schematic diagram of the present invention.
Figure 12 is grip block disassembly status schematic diagram of the present invention.
Wherein, 1 grip block, 101 arc grooves, 102 draw-in grooves, 103 grooves, 2 draw rings, 3 pressing plates, 4 bearing pins, 401 draw ring installing holes, 402 shaft shoulders, 5 springs, 6 grip block brackets, 601 gussets, 602 boss, 603 grooves, 604 installing holes, 7 pads, 701 draw-in groove A, 702 through holes.
Detailed description of the invention
As shown in Figure 1 to Figure 3 in embodiment, a kind of coiled tubing injection head clamping device, comprises grip block 1, pressing plate 3, bearing pin 4, grip block bracket 6, and grip block 1 entirety is saddle, and grip block 1 bottom surface is plane.As shown in Figures 4 to 6, grip block 1 is longitudinally provided with the arc groove 101 corresponding with coiled tubing external diameter, and grip block 1 two bottom sides is grip block installed surface, is provided with draw-in groove 102 in the middle part of grip block installed surface.As shown in Figure 7, Figure 8, grip block bracket 6 end face is provided with two boss 602 corresponding with draw-in groove 102.The draw-in groove 102 of grip block 1 snaps in the boss 602 of grip block bracket 6; Pressing plate 3 is strip, and boss 602 top is provided with groove 603, and groove 603 width is greater than pressing plate 3 width, and groove 603 width is less than pressing plate 3 length; Boss 602 is vertically provided with pin shaft hole, and pin shaft hole is stepped hole, and the internal diameter of pin shaft hole lower part is greater than the internal diameter of upper part.As shown in Figure 9, bearing pin 4 lower end arranges a shaft shoulder 402, and size, the profile of bearing pin 4 are corresponding with pin shaft hole.Bearing pin 4 loads bottom pin shaft hole, bearing pin 4 lower end is provided with spring 5, spring 5 one end contacts with the shaft shoulder 402 on bearing pin 4, the other end contacts with the step in pin shaft hole, rear connection pressing plate 3 is stretched out from pin shaft hole upper port in bearing pin 4 upper end, pressing plate 3 is strained by bearing pin 4 by spring 5, the grip block installed surface of pressing plate 3 compression clamping block 1 both sides, and grip block 1 can slide on grip block bracket 6.The cross section that pressing plate 3 position is installed in bearing pin 4 upper end is circular, is interference fit between bearing pin 4 and pressing plate 3.Arc groove 101 evenly arranges multiple tracks groove 103.Described a kind of coiled tubing injection head clamping device also comprises draw ring 2, and draw ring 2 is arranged on bearing pin 4 top, and bearing pin 4 top correspondence is provided with draw ring installing hole 401.Described a kind of coiled tubing injection head clamping device also comprises pad 7, and pad 7 is arranged between grip block 1 and grip block bracket 6.As shown in Figure 10, pad 7 shape is identical with grip block 1 bottom face profile, and pad 7 both sides are provided with the draw-in groove A701 corresponding with draw-in groove 102, and pad 7 is provided with multiple through hole 702.Pad 7 cushioning effects, can absorb the impact of grip block 1 pair of coiled tubing, also play certain regulating action simultaneously, and multipair grip block 1 can be made to hold oil pipe tightly, and through hole 702 can store greasy dirt and foreign material simultaneously.Through hole 702 is circular hole.Pad 7 is corrosion resistant elastic polymer material.Three pieces of gussets 601 are set bottom grip block bracket 6, gusset 601 are provided with installing hole 604.As shown in Figure 11, Figure 12, during dismounting grip block 1, pull draw ring 2 to mention bearing pin 4, by pressing plate 3 90-degree rotation, grip block 1 can be taken off from grip block bracket 6.
Above-mentioned detailed description of the invention is only concrete case of the present invention; scope of patent protection of the present invention includes but not limited to product form and the style of above-mentioned detailed description of the invention; any meet claims of the present invention a kind of coiled tubing injection head clamping device and any person of an ordinary skill in the technical field to its suitable change done or modification, all should fall into scope of patent protection of the present invention.
Claims (10)
1. a coiled tubing injection head clamping device, it is characterized in that: comprise grip block (1), pressing plate (3), bearing pin (4), grip block bracket (6), grip block (1) entirety is saddle, grip block (1) bottom surface is plane, grip block (1) is longitudinally provided with the arc groove (101) corresponding with coiled tubing external diameter, grip block (1) two bottom sides is grip block installed surface, is provided with draw-in groove (102) in the middle part of grip block installed surface, grip block bracket (6) end face is provided with two boss (602) corresponding with draw-in groove (102), the draw-in groove (102) of grip block (1) snaps in the boss (602) of grip block bracket (6), pressing plate (3) is strip, and boss (602) top is provided with groove (603), and groove (603) width is greater than pressing plate (3) width, and groove (603) width is less than pressing plate (3) length, (602) are vertically provided with pin shaft hole to boss, pin shaft hole is stepped hole, the internal diameter of pin shaft hole lower part is greater than the internal diameter of upper part, bearing pin (4) lower end arranges a shaft shoulder (402), the size of bearing pin (4), profile is corresponding with pin shaft hole, bearing pin (4) loads bottom pin shaft hole, bearing pin (4) lower end is provided with spring (5), spring (5) one end contacts with the shaft shoulder (402) on bearing pin (4), the other end contacts with the step in pin shaft hole, rear connection pressing plate (3) is stretched out from pin shaft hole upper port in bearing pin (4) upper end, pressing plate (3) is strained by bearing pin (4) by spring (5), the grip block installed surface of pressing plate (3) compression clamping block (1) both sides.
2. a kind of coiled tubing injection head clamping device according to claim 1, it is characterized in that: the cross section that pressing plate (3) position is installed in described bearing pin (4) upper end is the abnormity that circle or circle cut the formation of at least one cutter, pressing plate (3) is provided with the installing hole of correspondingly-shaped.
3. a kind of coiled tubing injection head clamping device according to claim 1, it is characterized in that: the cross section of pressing plate (3) position is installed for circular in described bearing pin (4) upper end, installing hole on pressing plate (3) is circular, is interference fit between bearing pin (4) and pressing plate (3).
4. a kind of coiled tubing injection head clamping device according to claim 1, is characterized in that: described arc groove (101) evenly arranges multiple tracks groove (103).
5. a kind of coiled tubing injection head clamping device according to claim 1, it is characterized in that: described a kind of coiled tubing injection head clamping device also comprises draw ring (2), draw ring (2) is arranged on bearing pin (4) top, and bearing pin (4) top correspondence is provided with draw ring installing hole (401).
6. a kind of coiled tubing injection head clamping device according to claim arbitrary in claim 1 to 5, it is characterized in that: described a kind of coiled tubing injection head clamping device also comprises pad (7), pad (7) is arranged between grip block (1) and grip block bracket (6), pad (7) shape is identical with grip block (1) bottom face profile, pad (7) both sides are provided with the draw-in groove A(701 corresponding with draw-in groove (102)), pad (7) is provided with multiple through hole (702).
7. a kind of coiled tubing injection head clamping device according to claim 6, is characterized in that: described through hole (702) is circular hole.
8. a kind of coiled tubing injection head clamping device according to claim 6, is characterized in that: described pad (7) is corrosion resistant elastic polymer material.
9. a kind of coiled tubing injection head clamping device according to claim 1 or 2 or 3 or 4 or 5 or 7 or 8, it is characterized in that: described grip block bracket (6) bottom arranges at least two pieces of gussets (601), gusset (601) is provided with installing hole (604).
10. a kind of coiled tubing injection head clamping device according to claim 6, is characterized in that: described grip block bracket (6) bottom arranges at least two pieces of gussets (601), gusset (601) is provided with installing hole (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360139.1A CN104929546A (en) | 2015-06-26 | 2015-06-26 | Continuous oil pipe injection head clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360139.1A CN104929546A (en) | 2015-06-26 | 2015-06-26 | Continuous oil pipe injection head clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN104929546A true CN104929546A (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510360139.1A Pending CN104929546A (en) | 2015-06-26 | 2015-06-26 | Continuous oil pipe injection head clamping device |
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| CN (1) | CN104929546A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017075709A1 (en) * | 2015-11-03 | 2017-05-11 | Coil Solutions, Inc. | Carrier block and gripper block for coiled tubing assembly |
| WO2018040283A1 (en) * | 2016-08-30 | 2018-03-08 | 江苏和信石油机械有限公司 | Coiled tubing clamping device and injection head using same |
| CN108612493A (en) * | 2018-07-06 | 2018-10-02 | 张兴荣 | Intelligent digitalized coiled tubing injection head |
| CN115788330A (en) * | 2023-01-12 | 2023-03-14 | 大庆辰平钻井技术服务有限公司 | Coiled tubing righting device |
| CN115807634A (en) * | 2023-01-12 | 2023-03-17 | 大庆辰平钻井技术服务有限公司 | Continuous oil pipe injection head supporting device |
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| US20040194967A1 (en) * | 2003-02-27 | 2004-10-07 | Manfred Jaensch | Insert for gripping apparatus |
| CN101905354A (en) * | 2010-06-08 | 2010-12-08 | 浙江亚特电器有限公司 | Quick clamping device of reciprocating saw |
| CN202055781U (en) * | 2011-03-18 | 2011-11-30 | 烟台杰瑞石油服务集团股份有限公司 | Coiled tubing clamping device and injection head utilizing same |
| CN102704870A (en) * | 2012-04-19 | 2012-10-03 | 烟台杰瑞石油服务集团股份有限公司 | Coiled tubing clamping device and injection head using same |
| CN202900097U (en) * | 2012-11-21 | 2013-04-24 | 烟台杰瑞石油服务集团股份有限公司 | Continuous oil pipe clamp mechanism |
| CN104029142A (en) * | 2014-06-16 | 2014-09-10 | 上海交通大学 | Tubular-elastic part clamping device |
| CN204851113U (en) * | 2015-06-26 | 2015-12-09 | 山东科瑞机械制造有限公司 | Coiled tubing pours into first clamping device into |
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2015
- 2015-06-26 CN CN201510360139.1A patent/CN104929546A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040194967A1 (en) * | 2003-02-27 | 2004-10-07 | Manfred Jaensch | Insert for gripping apparatus |
| CN101905354A (en) * | 2010-06-08 | 2010-12-08 | 浙江亚特电器有限公司 | Quick clamping device of reciprocating saw |
| CN202055781U (en) * | 2011-03-18 | 2011-11-30 | 烟台杰瑞石油服务集团股份有限公司 | Coiled tubing clamping device and injection head utilizing same |
| CN102704870A (en) * | 2012-04-19 | 2012-10-03 | 烟台杰瑞石油服务集团股份有限公司 | Coiled tubing clamping device and injection head using same |
| CN202900097U (en) * | 2012-11-21 | 2013-04-24 | 烟台杰瑞石油服务集团股份有限公司 | Continuous oil pipe clamp mechanism |
| CN104029142A (en) * | 2014-06-16 | 2014-09-10 | 上海交通大学 | Tubular-elastic part clamping device |
| CN204851113U (en) * | 2015-06-26 | 2015-12-09 | 山东科瑞机械制造有限公司 | Coiled tubing pours into first clamping device into |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017075709A1 (en) * | 2015-11-03 | 2017-05-11 | Coil Solutions, Inc. | Carrier block and gripper block for coiled tubing assembly |
| US10287833B2 (en) | 2015-11-03 | 2019-05-14 | Coil Solutions, Inc. | Carrier block and gripper block for coiled tubing assembly |
| WO2018040283A1 (en) * | 2016-08-30 | 2018-03-08 | 江苏和信石油机械有限公司 | Coiled tubing clamping device and injection head using same |
| CN108612493A (en) * | 2018-07-06 | 2018-10-02 | 张兴荣 | Intelligent digitalized coiled tubing injection head |
| CN115788330A (en) * | 2023-01-12 | 2023-03-14 | 大庆辰平钻井技术服务有限公司 | Coiled tubing righting device |
| CN115807634A (en) * | 2023-01-12 | 2023-03-17 | 大庆辰平钻井技术服务有限公司 | Continuous oil pipe injection head supporting device |
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Application publication date: 20150923 |
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| RJ01 | Rejection of invention patent application after publication |