CN221442529U - Planetary wheel type sucker rod cam hydraulic clamp main clamp - Google Patents
Planetary wheel type sucker rod cam hydraulic clamp main clamp Download PDFInfo
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- CN221442529U CN221442529U CN202421519783.XU CN202421519783U CN221442529U CN 221442529 U CN221442529 U CN 221442529U CN 202421519783 U CN202421519783 U CN 202421519783U CN 221442529 U CN221442529 U CN 221442529U
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- claw
- deflection
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- 210000000078 claw Anatomy 0.000 claims abstract description 50
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 3
- 241000282472 Canis lupus familiaris Species 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a planetary wheel type sucker rod cam hydraulic clamp main clamp, which relates to the technical field of petroleum equipment and comprises the following components: the gear ring rotating seat is provided with an opening structure and is rotatably arranged in the outer shell; an inner gear ring and an outer gear ring are respectively arranged on the inner ring and the outer ring of the gear ring rotating seat; the claw rotating seat is rotatably arranged in the gear ring rotating seat and consists of an upper jaw plate and a lower jaw plate which are provided with opening structures, and a gap is arranged between the upper jaw plate and the lower jaw plate; at least 2 convex claws are rotatably arranged in the gap through a rotary shaft pin, and each convex claw is provided with a deflection gear; the deflection gear is meshed with the inner gear ring; the arc-shaped groove is arranged on the deflection gear; the linkage shaft pin is arranged on the claw rotating seat, and the bottom end of the linkage shaft pin extends into the arc-shaped groove. Compared with the prior art, the utility model has the beneficial effects that: through the structural design of the inner gear ring and the outer gear ring and the displacement matching between the linkage shaft pin and the arc-shaped groove, the automatic rotation after clamping is realized, and the function of screwing and unscrewing is further realized.
Description
Technical Field
The utility model belongs to the technical field of petroleum equipment, and particularly relates to a main clamp of a cam hydraulic clamp of a planetary wheel type sucker rod.
Background
The power tongs in the sucker rod operation process generally comprise a main tongs and a back-up tongs, wherein the main tongs often drive one section of the sucker rod to rotate, and the back-up tongs often clamp and fix the other section of the sucker rod so as to realize corresponding pipe loading and unloading operations.
CN2620077Y discloses a reverse-buckling hydraulic power tongs for sucker rods, specifically drives a claw to deflect through a gear so as to clamp the sucker rods, but how to drive the whole structure to rotate so as to play the function of a main tongs is not related.
Disclosure of utility model
The utility model discloses a planetary wheel type sucker rod cam hydraulic clamp main clamp, which comprises an outer shell with an opening structure, and further comprises:
The gear ring rotating seat is provided with an opening structure and is rotatably arranged in the outer shell; an inner gear ring and an outer gear ring are respectively arranged on the inner ring and the outer ring of the gear ring rotating seat;
The claw rotating seat is rotatably arranged in the gear ring rotating seat and consists of an upper jaw plate and a lower jaw plate which are provided with opening structures, and a gap is arranged between the upper jaw plate and the lower jaw plate;
At least 2 convex claws are rotatably arranged in the gap through rotary shaft pins, and each convex claw is provided with a deflection gear; the deflection gear is meshed with the annular gear;
the arc-shaped groove is arranged on the deflection gear;
The linkage shaft pin is arranged on the claw rotating seat, and the bottom end of the linkage shaft pin extends into the arc-shaped groove;
The outer gear driving gear is meshed with the outer gear and used for driving the gear rotating seat to rotate, the deflection gear is driven to deflect through the inner gear ring so that the convex claw rotates inwards or outwards, and when the convex claw is in a deflection limit state, the linkage shaft pin is abutted to the edge of the arc-shaped groove, and then the gear rotating seat is driven to rotate.
In some embodiments, the pawl and the yaw gear are connected by a connecting pin, the rotating pin being located at the centers of rotation of the pawl and the yaw gear, the connecting pin being located at the non-centers of rotation of the pawl and the yaw gear.
In some embodiments, the range of deflection of the prongs is set by the arc length of the arcuate slot.
In some embodiments, the deflection gear is located above the prongs.
In some embodiments, further comprising:
The top cover is fixedly connected above the outer shell;
the upper sliding groove is arranged on the upper jaw plate, and an upper pulley is arranged between the upper sliding groove and the top cover;
And the lower sliding groove is formed by the outer end of the lower jaw plate and the outer gear ring, and a lower pulley is arranged between the lower sliding groove and the outer shell.
In some embodiments, the outer ring gear drive gear comprises:
The first linkage gear and the second linkage gear are arranged at one side of the outer gear ring at intervals and meshed with the outer gear ring, and the size of the interval between the first linkage gear and the second linkage gear is larger than that of the opening structure of the gear ring rotating seat;
The driving gear is meshed between the first linkage gear and the second linkage gear and is externally connected with a rotary driving force.
In some embodiments, further comprising:
The locking shaft pin is connected to the claw rotating seat in a threaded manner, and the bottom end of the locking shaft pin is abutted to or separated from the upper end face of the deflection gear through rotation.
In some embodiments, the inner end clamping part of the convex claw is of an arc-shaped structure and is provided with a clamping tooth slot.
In some embodiments, the prongs are positioned within the gap and do not extend out of the open structure of the upper and lower jaws in the stowed position.
In some embodiments, the connecting pin is disposed between the pawl and the deflection gear below the arcuate slot.
Compared with the prior art, the utility model has the following beneficial effects:
1. Through the structural design of the inner gear ring and the outer gear ring and the displacement matching between the linkage shaft pin and the arc-shaped groove, the automatic rotation after clamping is realized, and the function of screwing and unscrewing is further realized. The whole structure is simple and reliable, the operation is convenient, and the construction efficiency can be greatly improved.
2. The whole structure is simple and reliable in connection transmission mode, the overhaul efficiency of equipment can be greatly improved, and particularly, the oil suction pipes with different calibers can be realized through quick replacement of the convex claws, so that the application range of the equipment is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of an outer ring gear and an inner ring gear of the present utility model.
Fig. 3 is a schematic perspective view of a pawl rotating seat according to the present utility model.
Fig. 4 is a schematic view of an arrangement structure of the linkage pin according to the present utility model.
Fig. 5 is a schematic view of the arrangement of the deflecting gear and the pawl according to the present utility model.
Fig. 6 is a schematic structural view of the outer casing of the present utility model.
Fig. 7 is a schematic view of the structure of the upper and lower pulleys of the present utility model.
Description of the drawings: the device comprises an outer shell 1, a claw rotating seat 2, an upper jaw plate 3, a lower jaw plate 4, an upper chute 5, a lower chute 6, a gear ring rotating seat 7, an outer gear ring 8, an inner gear ring 9, an upper pulley 10, a lower pulley 11, a deflection gear 12, a claw 13, a rotating shaft pin 14, a connecting shaft pin 15, an arc-shaped groove 16, a linkage shaft pin 17, a locking shaft pin 18, a first linkage gear 19, a second linkage gear 20, a driving gear 21 and a top cover 22.
Detailed Description
The present utility model will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
It is apparent that the drawings in the following description are only some examples or embodiments of the present utility model, and it is possible for those of ordinary skill in the art to apply the present utility model to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the utility model can be combined with other embodiments without conflict.
The main pincers of planetary wheel type sucker rod cam hydraulic pincers comprise an outer shell 1 with an opening structure, and further comprise: the device comprises a claw rotating seat 2, a gear ring rotating seat 7, a plurality of claws 13, arc grooves 16, a linkage shaft pin 17 and an outer gear ring driving gear; specifically, the gear ring rotating seat 7 has an opening structure and is rotatably arranged in the outer casing 1; an inner gear ring 9 and an outer gear ring 8 are respectively arranged on the inner ring and the outer ring of the gear ring rotating seat 7; the claw rotating seat 2 is rotatably arranged in the gear ring rotating seat 7 and consists of an upper jaw plate 3 and a lower jaw plate 4 which are provided with opening structures, and a gap is arranged between the upper jaw plate 3 and the lower jaw plate 4; at least 2 (3 in this embodiment) of claws 13, each claw 13 is rotatably disposed in the gap by a rotating shaft pin 14, and a deflection gear 12 is disposed on each claw 13; the deflection gear 12 is meshed with the inner gear ring 9; the arc-shaped groove 16 is arranged on the deflection gear 12; the linkage shaft pin 17 is arranged on the claw rotating seat 2, and the bottom end of the linkage shaft pin 17 extends into the arc-shaped groove 16; the outer gear ring driving gear is meshed with the outer gear ring 8 and used for driving the gear ring rotating seat 7 to rotate, the deflection gear 12 is driven to deflect through the inner gear ring 9 to enable the convex claw 13 to rotate inwards or outwards, and when the convex claw 13 is in a deflection limit state, the linkage shaft pin 17 is abutted with the edge of the arc-shaped groove 16, and then the gear ring rotating seat 7 is driven to rotate. The ring gear rotating seat 7 drives the ring gear 9 to deflect in the rotating process, and due to the structural design of the arc-shaped groove 16 and the linkage shaft pin 17, when the deflection limit state of the ring gear 9 is reached, the whole claw rotating seat 2 is driven to rotate, so that the corresponding pipe column is clamped and simultaneously driven to rotate, the maximum clamping force cannot be changed due to rotation, and the pipe column cannot be extruded to deform.
The connection mode between the convex claw 13 and the deflection gear 12 is that a connection shaft pin 15 is arranged between the convex claw 13 and the deflection gear 12, the rotary shaft pin 14 is positioned at the rotation centers of the convex claw 13 and the deflection gear 12, and the connection shaft pin 15 is positioned at the non-rotation centers of the convex claw 13 and the deflection gear 12. The claw 13 and the deflection gear 12 rotate by the rotating shaft pin 14, and meanwhile, the linkage of the claw 13 and the deflection gear is realized by the arrangement of the connecting shaft pin 15, and the arrangement mode has simple structure and convenient disassembly and assembly, and can greatly improve the efficiency of later maintenance and replacement. Specifically, the connecting shaft pin 15 is disposed between the claw 13 and the deflection gear 12 below the arc-shaped groove 16. The above arrangement reduces the length of the connecting pin 15 to reduce weight.
In some embodiments, the range of deflection of the prongs 13 is set by the arc length of the arcuate slot 16. In practice, the deflection limit of the pawl 13 can be set by adjusting the arc length of the arc-shaped groove 16, so that mechanical obstruction or excessive clamping of the pipe tool can be prevented.
Meanwhile, a locking shaft pin 18 can be further arranged, the locking shaft pin 18 is connected to the claw rotating seat 2 in a threaded mode, and the bottom end of the locking shaft pin 18 is abutted to or separated from the upper end face of the deflection gear 12 through rotation. Therefore, the limiting function of the deflection gear 12 is achieved, and in order to achieve the above function, the deflection gear 12 is required to be arranged above the convex claw 13, so that the transmission friction of the deflection gear 12 can be reduced while the above function is ensured, and the force transmission between the gears is ensured.
In some embodiments, further comprising: top cover 22, upper chute 5, lower chute 6; the top cover 22 is fixedly connected above the outer shell 1; the upper chute 5 is arranged on the upper jaw plate 3, and an upper pulley 10 is arranged between the upper chute 5 and the top cover 22; the lower chute 6 is formed by the outer end of the lower jaw plate 4 and the outer ring gear 8, and a lower pulley 11 is provided between the lower chute 6 and the outer housing 1. Through the structure setting to stability and smoothness in the rotation process are improved, and the upper portion and lower part play the guide effect simultaneously.
In some embodiments, the external tooth drive gear comprises: a first linkage gear 19, a second linkage gear 20, and a drive gear 21; the first linkage gear 19 and the second linkage gear 20 are arranged at one side of the outer gear ring 8 at intervals and meshed with the outer gear ring, and the interval between the first linkage gear and the second linkage gear is larger than the opening structure of the gear ring rotating seat 7; the driving gear 21 is engaged between the first linkage gear 19 and the second linkage gear 20 and circumscribes a rotational driving force.
Since the claw rotating seat 2 is provided with the opening structure, in order to ensure that the transmission failure does not occur, two gears are provided, and the rotation can be ensured to be stably generated even when the opening structure is reached by the interval between the two gears.
In some embodiments, the inner end gripping portion of the prongs 13 is arcuate in configuration and provided with gripping splines. The friction performance is improved by clamping the tooth grooves, and the clamping effect is improved.
In some embodiments, the prongs 13 are in a stowed position, with the prongs 13 positioned within the gap and not extending beyond the open configuration of the upper jaw plate 3 and lower jaw plate 4. Through the arrangement, the pipe can smoothly enter the opening structure, mechanical barriers can not occur, the equipment can be safely retracted under the unused state, and then the pipe is locked through the locking shaft pin 18.
The working principle is as follows:
The driving gear 21 is driven to rotate by a driving motor, so that the first linkage gear 19 and the second linkage gear 20 are driven to synchronously rotate, and even if the opening structure of the gear ring rotating seat 7 is arranged in the rotating process, at least 1 gear is still meshed with the outer gear ring 8, so that the transmission effect is ensured. In the first process, the linkage shaft pin 17 moves in the arc-shaped groove 16, so that the convex claw 13 is driven to deflect to realize clamping or loosening; in the second process, after the linkage shaft pin 17 abuts against one end in the arc-shaped groove 16, the claw rotating seat 2 integrally rotates along with the linkage shaft pin, so that the clamping pipe tool is driven to integrally rotate in the clamping state, and the pipe tool is lifted and unloaded.
Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. Planetary wheel formula sucker rod cam hydraulic tong owner pincers, including all having the shell body of opening structure, its characterized in that still includes:
The gear ring rotating seat is provided with an opening structure and is rotatably arranged in the outer shell; an inner gear ring and an outer gear ring are respectively arranged on the inner ring and the outer ring of the gear ring rotating seat;
The claw rotating seat is rotatably arranged in the gear ring rotating seat and consists of an upper jaw plate and a lower jaw plate which are provided with opening structures, and a gap is arranged between the upper jaw plate and the lower jaw plate;
At least 2 convex claws are rotatably arranged in the gap through rotary shaft pins, and each convex claw is provided with a deflection gear; the deflection gear is meshed with the annular gear;
the arc-shaped groove is arranged on the deflection gear;
The linkage shaft pin is arranged on the claw rotating seat, and the bottom end of the linkage shaft pin extends into the arc-shaped groove;
The outer tooth driving gear is meshed with the outer tooth ring and used for driving the gear ring rotating seat to rotate, the deflection gear is driven to deflect through the inner tooth ring so that the convex claw rotates inwards or outwards, and when the convex claw is in a deflection limit state, the linkage shaft pin is abutted with the edge of the arc-shaped groove, so that the gear ring rotating seat is driven to rotate;
The outer ring gear drive gear includes:
The first linkage gear and the second linkage gear are arranged at one side of the outer gear ring at intervals and meshed with the outer gear ring, and the size of the interval between the first linkage gear and the second linkage gear is larger than that of the opening structure of the gear ring rotating seat;
The driving gear is meshed between the first linkage gear and the second linkage gear and is externally connected with a rotary driving force.
2. The cam hydraulic tong of a planetary sucker rod according to claim 1, wherein the claw and the deflection gear are connected by a connecting pin, the rotating pin is located at the rotation center of the claw and the deflection gear, and the connecting pin is located at the non-rotation center of the claw and the deflection gear.
3. The master clamp of the cam follower type sucker rod cam hydraulic clamp of claim 1 wherein the deflection range of the pawl is set by the arc length of the arcuate slot.
4. The planetary sucker rod cam hydraulic tong main tong of claim 1, wherein the deflection gear is located above the dogs.
5. The planetary roller sucker rod cam hydraulic tong main tong of claim 1, further comprising:
The top cover is fixedly connected above the outer shell;
the upper sliding groove is arranged on the upper jaw plate, and an upper pulley is arranged between the upper sliding groove and the top cover;
And the lower sliding groove is formed by the outer end of the lower jaw plate and the outer gear ring, and a lower pulley is arranged between the lower sliding groove and the outer shell.
6. The planetary roller sucker rod cam hydraulic tong main tong of claim 4, further comprising:
The locking shaft pin is connected to the claw rotating seat in a threaded manner, and the bottom end of the locking shaft pin is abutted to or separated from the upper end face of the deflection gear through rotation.
7. The main tongs of the cam hydraulic tongs for the planetary sucker rod of claim 1, wherein the inner end clamping part of the convex claw is of an arc structure and is provided with a clamping tooth slot.
8. The planetary roller sucker rod cam hydraulic tong main tong of claim 1, wherein the pawl is in a stowed condition, the pawl being positioned within the gap and not extending out of the open configuration of the upper and lower jaw plates.
9. The master clamp of the cam follower type sucker rod cam hydraulic clamp according to claim 2, wherein the connecting shaft pin is arranged between the claw below the arc-shaped groove and the deflection gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421519783.XU CN221442529U (en) | 2024-07-01 | 2024-07-01 | Planetary wheel type sucker rod cam hydraulic clamp main clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421519783.XU CN221442529U (en) | 2024-07-01 | 2024-07-01 | Planetary wheel type sucker rod cam hydraulic clamp main clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221442529U true CN221442529U (en) | 2024-07-30 |
Family
ID=92068583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421519783.XU Active CN221442529U (en) | 2024-07-01 | 2024-07-01 | Planetary wheel type sucker rod cam hydraulic clamp main clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221442529U (en) |
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2024
- 2024-07-01 CN CN202421519783.XU patent/CN221442529U/en active Active
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