CN216110664U - Injection head clamping device - Google Patents
Injection head clamping device Download PDFInfo
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- CN216110664U CN216110664U CN202121678269.7U CN202121678269U CN216110664U CN 216110664 U CN216110664 U CN 216110664U CN 202121678269 U CN202121678269 U CN 202121678269U CN 216110664 U CN216110664 U CN 216110664U
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Abstract
The utility model discloses a clamping device for an injection head, and relates to the technical field of injection heads. The injector head clamping device comprises: box curb plate, hydro-cylinder, clamp beam, clamp plate and joint location sliding sleeve, two the box curb plate interval sets up, two joint location sliding sleeve passes through the clamp plate sets up respectively two on the box curb plate, the hydro-cylinder includes: the clamping device comprises a cylinder barrel and a piston rod, wherein the cylinder barrel and the piston rod are respectively arranged in the two clamping positioning sliding sleeves in a penetrating mode, the two clamping cross beams are arranged between the two box body side plates at intervals, one clamping cross beam is connected with the cylinder barrel, and the other clamping cross beam is connected with the piston rod. According to the injection head clamping device, the clamping positioning sliding sleeve is arranged on the side plate of the box body through the pressing plate, and compared with the elastic retainer ring, the pressing plate is higher in rigidity, so that the problem that the reliability of the injection head clamping device is reduced due to the fact that the elastic retainer ring is deformed plastically and loses efficacy is avoided.
Description
Technical Field
The utility model relates to the technical field of injection heads, in particular to an injection head clamping device.
Background
The injection head is used as a core device of an oil-gas field continuous pipe operation machine or a continuous pipe drilling machine and is widely applied to the production increase or drilling construction process of petroleum and natural gas, and the injection head clamping device is an important component of the injection head. Because the clamping device is a transverse floating structure, the clamping device is more frequently transversely floated in the high-speed running process of the injection head, and the floating amount is larger. At present, more injection head clamping devices adopt an elastic retainer ring axial limiting structure, and the elastic retainer ring is poor in axial rigidity and easy to plastically deform to lose efficacy in the transverse floating process of the clamping device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a clamping device of an injection head, aiming at the problem that an elastic retainer ring is easy to generate plastic deformation and lose efficacy, so as to prevent the axial limiting structure from losing efficacy and improve the reliability of the clamping device of the injection head.
In order to achieve the above object, the present invention provides an injector head clamping device comprising: box curb plate, hydro-cylinder, clamp beam, clamp plate and joint location sliding sleeve, two the box curb plate interval sets up, joint location sliding sleeve passes through the clamp plate sets up on the box curb plate, the hydro-cylinder includes: the clamping device comprises a cylinder barrel and a piston rod, wherein the cylinder barrel and the piston rod are respectively arranged in the two clamping positioning sliding sleeves in a penetrating mode, the two clamping cross beams are arranged between the two box body side plates at intervals, one clamping cross beam is connected with the cylinder barrel, and the other clamping cross beam is connected with the piston rod.
In the utility model, two box body side plates are arranged at intervals, clamping positioning sliding sleeves are arranged on the box body side plates through pressing plates, a cylinder barrel and a piston rod of an oil cylinder are respectively arranged in the two clamping positioning sliding sleeves, two clamping cross beams are arranged between the two box body side plates at intervals, one clamping cross beam is connected with the cylinder barrel, the other clamping cross beam is connected with the piston rod, and compared with an elastic retainer ring, the rigidity of the pressing plates is better, so that the situation that the reliability of an injection head clamping device is reduced due to the fact that the elastic retainer ring fails due to plastic deformation in the process that the oil cylinder drives the clamping cross beams to move is avoided.
Optionally, the pressing plate is detachably connected with the corresponding side plate of the box body.
Optionally, the pressing plate is connected with the side plate of the box body through a screw.
Optionally, at least one of them joint location sliding sleeve lateral surface is provided with the annular, clamp plate one side be equipped with the arc recess that the annular is suitable for, the clamp plate card is gone into in the annular.
Optionally, at least one of the pressure plates is disposed in the ring groove.
Optionally, it is a plurality of the arc recess concatenation of clamp plate forms the round hole, joint positioning sliding sleeve passes through the annular setting and is in the round hole.
Optionally, the clamping beam and the cylinder barrel are connected through a lock nut, and/or the clamping beam and the piston rod are connected through a lock nut.
Optionally, a locknut is further arranged on one side of the locknut.
Optionally, the two box side plates are connected through a connecting plate, floating holes arranged at intervals are formed in the connecting plate, and the clamping beam is arranged in the floating holes.
Optionally, the injector head clamping device further comprises: the movable nut is arranged at one end, far away from one side of the clamping beam, of the piston rod of the box body side plate, and the movable nut is slidably arranged in the clamping positioning sliding sleeve.
The utility model has the beneficial effects that:
1. the two box body side plates are arranged at intervals, the clamping positioning sliding sleeves are arranged on the box body side plates through the pressing plates, the cylinder barrel and the piston rod of the oil cylinder are respectively arranged in the two clamping positioning sliding sleeves, the two clamping cross beams are arranged between the two box body side plates at intervals, one clamping cross beam is connected with the cylinder barrel, and the other clamping cross beam is connected with the piston rod;
2. the clamping beam is connected with the cylinder barrel through the locking nut, the clamping beam is connected with the piston rod through the locking nut, compared with the elastic check ring, the rigidity of the locking nut is better, the locking nut is further arranged on one side of the locking nut, the clamping beam is more stably connected with the cylinder barrel and the piston rod, and the reliability of the injection head clamping device is improved.
Drawings
FIG. 1 is a schematic view of an injection head clamping apparatus in embodiment 1;
FIG. 2 is an enlarged partial view of the piston rod end of the cylinder of FIG. 1;
FIG. 3 is a schematic sectional view of an injection head clamping apparatus in embodiment 1;
FIG. 4 is a schematic view of an injection head clamping apparatus in embodiment 2;
fig. 5 is an enlarged view of a portion of the rod end of the cylinder of fig. 4.
Fig. 6 is a schematic sectional view of an injection head clamping apparatus in embodiment 2.
The labels in the figure are: 1-box body side plate, 2-cylinder barrel, 3-clamping beam, 4-elastic retainer ring, 5-piston rod, 6-movable nut, 7-retainer ring positioning sliding sleeve, 8-locking nut, 9-pressing plate, 10-clamping positioning sliding sleeve, 11-connecting plate, 111-floating hole and 12-ring groove.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
Fig. 1 is a schematic view of an injection head clamping apparatus according to embodiment 1, fig. 2 is an enlarged view of a piston rod end of a cylinder in fig. 1, fig. 3 is a schematic cross-sectional view of the injection head clamping apparatus according to embodiment 1, and the injection head clamping apparatus shown in fig. 1 to 3 includes: the oil cylinder clamping device comprises a box body side plate 1, an oil cylinder, a clamping cross beam 3, an elastic retainer ring 4, a movable nut 6 and a retainer ring positioning sliding sleeve 7. The hydro-cylinder includes: a cylinder 2 and a piston rod 5. The retainer ring positioning sliding sleeve 7 penetrates through the box body side plate 1 and is locked with the box body side plate 1 through the elastic retainer ring 4; the two clamping beams 3 are arranged between the two box body side plates 1, one clamping beam 3 is connected with the cylinder barrel 2 through the elastic retainer ring 4, and the other clamping beam 3 is connected with the piston rod 5 through the elastic retainer ring 4. The movable nut 6 is arranged at one end, far away from the cylinder barrel 2, of the piston rod 5 and is positioned at one side, far away from the clamping cross beam 3, of the box body side plate 1. During the telescopic floating of the piston rod 5, the two clamping beams 3 approach or move away from each other. The elastic retainer ring 4 is an axial limiting structure, but because the axial rigidity of the elastic retainer ring 4 is poor, the elastic retainer ring 4 is easy to generate plastic deformation and lose efficacy in the transverse floating process of the clamping device.
Example 2
In order to avoid a reduction in the reliability of the injector head clamping device due to a circlip failure, the present invention provides an improved injector head clamping device. Fig. 4 is a schematic view of a clamping apparatus for a filling head according to embodiment 2, fig. 5 is an enlarged view of a piston rod end of a cylinder of fig. 4, and fig. 6 is a schematic cross-sectional view of the clamping apparatus for a filling head according to embodiment 2, referring to fig. 3 to 6, the clamping apparatus for a filling head comprising: the box body side plate 1, the oil cylinder, the clamping beam 3, the pressing plate 9 and the clamping positioning sliding sleeve 10. Two 1 interval settings of box curb plate, two joint positioning sliding sleeve 10 wears to establish two respectively on the box curb plate 1, every joint positioning sliding sleeve 10 rethread clamp plate 9 with the locking of box curb plate 1. The hydro-cylinder includes: the clamping device comprises a cylinder barrel 2 and a piston rod 5, wherein the cylinder barrel 2 and the piston rod 5 are respectively arranged in the clamping positioning sliding sleeve 10 in a penetrating mode, and the clamping cross beams 3 are arranged between the two box body side plates 1 at intervals. One clamping beam 3 is connected with the cylinder barrel 2, and the other clamping beam 3 is connected with the piston rod 5. The clamping beam 3 is an executing part of the injection head clamping device for executing the action of the clamping mechanism, the main body of the clamping beam is of a rod-shaped structure, one end of the clamping beam is connected with the cylinder barrel 2 (or the piston rod 5), and the other end of the clamping beam extends into the box body. During the extension and retraction of the piston rod 5, the two clamping beams 3 move toward and away from each other. When the elastic check ring 4 is disassembled and assembled, the elastic check ring 4 needs to be opened, and the elastic check ring is easy to distort and deform. The pressing plate 9 is of a flat plate structure, and can be made of materials with higher strength, and the pressing plate 9 is integrally clamped on the clamping positioning sliding sleeve 10 during dismounting, so that distortion cannot be generated. Compared with the elastic retainer ring 4, the pressure plate 9 has better rigidity, thereby avoiding the reliability reduction of the injection head clamping device caused by the failure of the elastic retainer ring 4 due to plastic deformation.
Referring to fig. 3 to 6, the pressing plate 9 is detachably connected to the box side plate 1, and the specific connection manner between the pressing plate 9 and the box side plate 1 is not limited, for example, a slot of the pressing plate 9 may be provided on the box side plate 1. In a preferred embodiment, the pressing plate 9 is connected with the box body side plate 1 through screws, so that the pressing plate 10 is firmly installed and is convenient to detach. The specific position of the pressing plate 10 is not limited, and when the clamping positioning sliding sleeve is a cylindrical barrel, the pressing plate can be arranged at two ends of the clamping positioning sliding sleeve 10; when the joint positioning sliding sleeve is a cylindrical barrel and a step is arranged on the excircle of one end of the cylindrical barrel, one end of the joint positioning sliding sleeve 10 can be arranged. As a better implementation manner, in this embodiment, two outer side surfaces of the clamping positioning sliding sleeve 10 are provided with annular grooves 12, an arc-shaped groove adapted to the annular grooves 12 is provided on one side of the pressing plate 10, and the pressing plate 10 is clamped into the annular grooves 12 of the clamping positioning sliding sleeve 10 to limit the axial movement of the clamping positioning sliding sleeve 10.
Further, referring to fig. 3-6, at least one pressure plate 9 is arranged in the annular groove 12 of the snap-fit sliding sleeve 10. When setting up a plurality ofly when the clamp plate 10, it is a plurality of the arc recess concatenation of clamp plate 10 forms the round hole, and the round hole can be the round hole of accomplishing, also can be discontinuous round hole, joint positioning sliding sleeve 10 passes through annular 12 and sets up in the round hole. The clamping positioning sliding sleeve 10 can be prevented from deflecting by arranging the pressing plates 10, so that the cylinder barrel 2 and the piston rod 5 slide more stably in the clamping positioning sliding sleeve 10.
As shown in fig. 3 to 6, the clamping beam 3 and the cylinder barrel 2 are connected by a lock nut 8, and the clamping beam 3 and the piston rod 5 are connected by a lock nut 8. It is easy to understand that, when the cylinder barrel 2 is a cylindrical barrel, the lock nuts 8 are disposed at two ends of the clamping beam 3, and when the cylinder barrel 2 is a cylindrical barrel and one end of the cylinder barrel is provided with a step, the lock nuts 8 are disposed at one end of the clamping beam 3. In this embodiment, the lock nut 8 is disposed at one end of the clamping beam 3, and connects the clamping beam 3 and the cylinder barrel 2. Correspondingly, the locking nut 8 is arranged at one end of the clamping beam 3 and is connected with the clamping beam 3 and the piston rod 2. And a locknut is further arranged on one side of the locking nut 8.
Referring to fig. 3 to 6, the two box side plates 1 are connected by a connecting plate 11, floating holes 111 are formed in the connecting plate 11 at intervals, the clamping beam 3 is disposed in the floating holes 111, and the axial movement of the clamping beam 3 is limited by the floating holes 111. The injector head clamping device further comprises: the movable nut 6, movable nut 6 sets up box curb plate 1 is kept away from 5 one ends of piston rod of the tight crossbeam 3 one side of clamp, movable nut 6 slidable ground sets up in the joint location sliding sleeve 10, the tight crossbeam 3 of clamp sets up lock nut 8 with between the movable nut 6, perhaps the tight crossbeam 3 of clamp passes through lock nut 8 sets up on the movable nut 6.
Example 3
In order to avoid a reduction in the reliability of the injector head clamping device due to a circlip failure, the present invention provides an improved injector head clamping device. The injector head clamping device comprises: the clamping device comprises a box body side plate 1, an oil cylinder, a clamping cross beam 3, a pressing plate 9 (or a locking nut 8) and a clamping positioning sliding sleeve 10. Two 1 interval settings of box curb plate, two joint positioning sliding sleeve 10 wears to establish respectively two on the box curb plate 1, every joint positioning sliding sleeve 10 rethread clamp plate 9 (or lock nut 8) with the locking of box curb plate 1. The hydro-cylinder includes: the clamping device comprises a cylinder barrel 2 and a piston rod 5, wherein the cylinder barrel 2 and the piston rod 5 are respectively arranged in the clamping positioning sliding sleeve 10 in a penetrating mode, and the clamping cross beams 3 are arranged between the two box body side plates 1 at intervals. One clamping beam 3 is connected with the cylinder barrel 2, and the other clamping beam 3 is connected with the piston rod 5. The clamping beam 3 is connected with the cylinder barrel 2 through a pressing plate 9 (or a locking nut 8), and the clamping beam 3 is connected with the piston rod 5 through the pressing plate 9 (or the locking nut 8).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An injector head clamping device, comprising: box curb plate (1), hydro-cylinder, press from both sides tight crossbeam (3), clamp plate (9) and joint location sliding sleeve (10), two box curb plate (1) interval sets up, joint location sliding sleeve (10) are passed through clamp plate (9) set up on the box curb plate (1), the hydro-cylinder includes: the clamping device comprises a cylinder barrel (2) and a piston rod (5), wherein the cylinder barrel (2) and the piston rod (5) are respectively arranged in two clamping positioning sliding sleeves (10) in a penetrating mode, two clamping cross beams (3) are arranged between two box body side plates (1) at intervals, one clamping cross beam (3) is connected with the cylinder barrel (2), and the other clamping cross beam (3) is connected with the piston rod (5).
2. Injector head clamping device according to claim 1, characterized in that the pressure plate (9) is detachably connected to the box side plate (1).
3. Injector head clamping device according to claim 2, characterized in that the pressure plate (9) is screwed to the box side plate (1).
4. The injector clamping device according to claim 1, characterized in that at least one of the snap-fit sliding sleeves (10) is provided with an annular groove (12) on the outer side, one side of the pressure plate (9) is provided with an arc-shaped groove adapted to the annular groove (12), and the pressure plate (9) is snapped into the annular groove (12).
5. Injection head clamping device according to claim 4, wherein at least one pressure plate (9) is arranged in the annular groove (12).
6. Injection head clamping device according to claim 5, wherein the arc-shaped grooves of the plurality of pressure plates (9) are spliced to form a circular hole, and the clamping positioning sliding sleeve (10) is arranged in the circular hole through an annular groove (12).
7. Injector head clamping device according to claim 1, characterized in that the clamping beam (3) and the cylinder (2) are connected by a lock nut (8) and/or the clamping beam (3) and the piston rod (5) are connected by a lock nut (8).
8. Injector head clamping device according to claim 7, characterized in that a locknut is also provided on one side of the locknut (8).
9. The injection head clamping device according to claim 7, wherein the two box side plates (1) are connected through a connecting plate (11), floating holes (111) are formed in the connecting plate (11) at intervals, and the clamping beam (3) is arranged in the floating holes (111).
10. The injector head clamping device of claim 9, further comprising: the clamping device comprises a movable nut (6), wherein the movable nut (6) is arranged on the box body side plate (1) and is far away from one end of a piston rod (5) on one side of the clamping beam (3), and the movable nut (6) can be arranged in the clamping positioning sliding sleeve (10) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678269.7U CN216110664U (en) | 2021-07-22 | 2021-07-22 | Injection head clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678269.7U CN216110664U (en) | 2021-07-22 | 2021-07-22 | Injection head clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216110664U true CN216110664U (en) | 2022-03-22 |
Family
ID=80722948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121678269.7U Active CN216110664U (en) | 2021-07-22 | 2021-07-22 | Injection head clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216110664U (en) |
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2021
- 2021-07-22 CN CN202121678269.7U patent/CN216110664U/en active Active
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