CN202140048U - Drilling power tong with improved structure - Google Patents
Drilling power tong with improved structure Download PDFInfo
- Publication number
- CN202140048U CN202140048U CN201120218390U CN201120218390U CN202140048U CN 202140048 U CN202140048 U CN 202140048U CN 201120218390 U CN201120218390 U CN 201120218390U CN 201120218390 U CN201120218390 U CN 201120218390U CN 202140048 U CN202140048 U CN 202140048U
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- caliper
- clamp mechanism
- arc plate
- impact tong
- impact
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Abstract
The utility model discloses a drilling power tong with an improved structure. An upper punching clamp clamping mechanism and a lower punching clamp clamping mechanism can rotate in the circumferential direction and move in the longitudinal direction relative to each other so as to be connected in clamping mode. Each punching clamp clamping mechanism comprises a clamp body, a power device, an arc plate, a jaw plate and an elastic restoring member. A pair of arc plates can be slidingly located on the inner lateral walls of U-shaped openings of the clamp bodies in the horizontal plane, and the facing sides of the two arc plates form a wedge-shaped columnar space. Two opposite sides of two jaw plates are clung to the inner lateral walls of the arc plates, and the facing sides of the two jaw plates form an arc columnar space. Radial through holes are arranged on the lateral walls of the two arc plates. Two ends of two elastic restoring members respectively penetrate the through holes to be fixedly connected with the clamp bodies and the jaw plates. The power device can drive the arc plates to move. A pair of roller groups capable of sliding in the opposite direction is symmetrically located at the upper portions of the clamp bodies, and the roller groups comprise two rollers which rotate in the same direction. Two clamping and rotating mechanisms can respectively drive the upper punching clamp clamping mechanism and the lower punching clamp clamping mechanism to rotate. The drilling power tong with the improved structure can fast clamp a drill rod, perform self-locking and not skid, the drill rod is centered automatically, and clamping force is large and stable.
Description
Technical field
The utility model relates to a kind of drilling well Power Tong, particularly a kind of structure improved drilling well Power Tong.
Background technology
In drilling well work, usually need clamp drilling rod, and realize linking closely and the action of becoming less severe of drilling rod, the drilling rod that present liquid gas tong binding clip palate plate can only a kind of outside dimension of clamping through Power Tong; When being applied to the drilling rod of different size, need change the binding clip palate plate; Lose time, and traditional liquid gas tong is through brake strap outer brake disc to be checked that palate plate misplaces, and reducing realizes clamping with release function on slope board; Yet; Skidding often appears when having a large amount of mud in this structure easily, causes to clamp to lose efficacy, and causes Power Tong to damage easily.
The utility model content
In order to overcome above-mentioned defective, the utility model provides a kind of structure improved drilling well Power Tong, and the clamping drilling rod that this structure improved drilling well Power Tong can be quick, stable also links closely and the shackle action.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of structure improved drilling well Power Tong; Comprise frame, upper and lower two impact tong clamp mechanism, roller set and dash the button rotating mechanism; With actual service orientation is benchmark; Upper and lower two impact tong clamp mechanism respectively can be around the axle rotational positioning be on frame longitudinally, and the impact tong clamp mechanism on top is positioned at directly over the impact tong clamp mechanism of bottom, and upper and lower two impact tong clamp mechanism vertically can be fastened and connected together in relative motion; The a pair of roller set that is symmetric arrangement respectively can slide in opposition be positioned the impact tong clamp mechanism upper side on top; Two dash the button rotating mechanism is fixedly arranged on the frame, and two dash the button rotating mechanism can drive upper and lower two impact tong clamp mechanism rotation respectively, wherein:
The impact tong clamp mechanism comprises caliper, power set, arc plate, jaw and elastic reset spare; Caliper is provided with U type opening; The arc plate of a pair of symmetrical configuration can slide in horizontal plane on the U type opening two opposed inside walls that are positioned caliper; Form the wedge shape cylindrical space of an end spacing greater than other end spacing between two arc plate opposed inside walls, the lateral wall of the jaw phase dorsal part of a pair of symmetrical configuration is close to the inside wall of a pair of arc plate respectively, forms the circular arc cylindrical space between the two jaws inside wall in opposite directions; The sidewall of two arc plates is provided with strip through hole radially; The elastic reset spare of two symmetric arrangement one end is connected with caliper respectively, and strip through hole and jaw lateral wall that the other end passes corresponding arc plate respectively are connected, and power set can move by the drive arc plate;
Roller set comprises the roller of pair of parallel align, and two rollers can rotate in the same way.
The course of work of above-mentioned Power Tong is following:
Drilling rod links closely: earlier Power Tong is transplanted on the drilling rod place, and the next power set drive arc plate of bottom impact tong clamp mechanism action, the jaw of bottom impact tong clamp mechanism is just each other near clamping the drilling rod bottom; A pair of then roller set each other near, the roller of roller set is held drilling rod tightly, then the roller of roller set begins to rotate in the same way and drives drilling rod top fast rotational to being tight condition with the bottom drilling rod; The power set drive arc plate of top impact tong clamp mechanism action then; The jaw of last impact tong clamp mechanism is just each other near clamping drilling rod top; The impact tong clamp mechanism rotation that rotating mechanism enough drives top is detained in dashing of top; Drilling rod continues to tighten to the moment of torsion of regulation, then the roller set of upper clamp each other away from, unclamp drilling rod; The arc sheet reset on latter two caliper, jaw unclamps drilling rod, and the impact tong clamp mechanism that the button rotating mechanism drives top of dashing on top turns back to initial position simultaneously;
The drilling rod shackle: earlier Power Tong is transplanted on the drilling rod place, the next power set drive arc plate of the impact tong clamp mechanism of upper and lower part action is gone up, the jaw of the following impact tong clamp mechanism of portion is just each other near clamping the upper and lower position of drilling rod respectively; Then two are dashed the button rotating mechanism and move simultaneously; Make upper and lower two impact tong clamp mechanism backward rotation that drilling rod is released for upper and lower two sections; Near holding top rod tightly, the roller rotation of roller set drives epimere drilling rod fast rotational to shackle to roller set each other then, and each parts resets at last.
Further improvement as the utility model; Said caliper is positioned at the arc plate and also is installed with a pair of backplate that is symmetric arrangement respectively on two side positions up and down; Be fixedly arranged on the pincers tooth respectively on the said two jaws inside wall in opposite directions; Clamp tooth and stretch out the jaw outside, two ends up and down in two ends up and down, backplate backstop guarantees to clamp the relative linear slide of direction of the vertical arc plate direction of motion of tooth and jaw edge in clamping the sidewall of tooth along the arc plate direction of motion.
As the further improvement of the utility model, said pincers tooth opposed inside wall is provided with ridge design, plays the effect of anti-slip.
Further improvement as the utility model; Jaw can also be dismantled on the lateral surface of arc plate and be installed with backing plate; Backing plate lateral surface and arc plate medial surface fit tightly, and the backing plate of changing different-thickness according to the size of drill pipe diameter can be realized the coupling of jaw inside and drilling rod.
As the further improvement of the utility model, the impact tong clamp mechanism also comprises a pair of friction plate that is symmetric arrangement, is respectively equipped with the broached-tooth design of mutual coupling on the opposing lateral surface of two friction plates with on the U type opening inside wall of caliper; Friction plate is provided with screwed hole, and caliper and corresponding position, friction plate upper screwed hole position are provided with through hole, also are provided with screw; Screw passes that the screwed hole on the through hole and friction plate is spirally connected on the caliper; The opposing inside wall of two friction plates contacts with arc plate lateral wall, and friction plate slides relatively with the pincers tooth and produces friction during use, prevents that caliper is because of long-term friction damage; When friction plate during because of friction damage; Can change fast, and dismounting and installation that itself and caliper can be quick, stable, easy to use.
Further improvement as the utility model; Said power set can the drive arc plate structure of motion be: be provided with first oil cylinder, connecting plate and pull bar, the cylinder body of first oil cylinder is fixedly arranged on the caliper, and the piston rod of first oil cylinder and a center of winning in succession are connected; Win in succession the two ends of length direction are connected with a pull bar one end respectively; The pull bar other end is connected with arc plate one end respectively, can certainly be that hydraulic motor drives cam or linkage, also can realize above-mentioned functions.
Further improvement as the utility model; The structure that said upper and lower two impact tong clamp mechanism vertically can relative motion be fastened and connected together is: be provided with a resilient suspension mechanism; The following linking arm that this resilient suspension mechanism comprises last linking arm that the caliper downside with the impact tong clamp mechanism on top is connected, be connected with the caliper upside of the impact tong clamp mechanism of bottom, end jacking block, end top elastic component and suspension body; Last linking arm is the barrel of lower ending opening, and last connecting wall inside wall is provided with the V-shaped ring-type inner groovy of a circle axial cross section, and it is inboard that following connecting wall upper end can be inserted into linking arm; At least three are ended on the ring-type inner groovy inside wall of V-type that the jacking block outer elastic presses closer linking arm; End the jacking block inside wall and be connected with suspension body one end, the suspension body other end axially can slide and be inserted in down on the linking arm outer circle wall, ends the top elastic component and is sheathed on the suspension body outside; End top elastic component one end elasticity and press closer only another end wall of jacking block; End top elastic component other end elasticity and press closer down the linking arm outer circumference surface, when upper and lower caliper is followed drilling rod generation lengthwise movement, end jacking block and just slide along the ring-type inner groovy inside wall of the V-type on the last linking arm; Compression ends the top elastic component and forms radiai adjustment in the time of its slip; Drive lower clamp through following linking arm simultaneously corresponding motion vertically takes place, guaranteed that last lower clamp can adjust distance at any time with the drilling rod two sections, prevent to damage upper and lower impact tong clamp mechanism; Except that said structure, can certainly be to be connected through plurality of elastic part and set screw between the caliper of up and down two impact tong clamp mechanism, also can realize the function that vertically can slide relatively and locate.
Further improvement as the utility model; The structure that two rollers can rotate in the same way is: also be provided with hydraulic motor and gear-box, can rotate in the gear-box and be provided with a driving gear, a transition gear and a driven gear, driving gear and transition gear engagement; Transition gear meshes with driven gear again; Driving gear upper end is connected with the motor power output, a driving gear lower end and coaxial being connected of roller, driven gear lower end also with coaxial being connected of roller.
Further improvement as the utility model; The structure that the said a pair of roller set that is symmetric arrangement respectively can slide in opposition be positioned the impact tong clamp mechanism upper side on top is: the caliper upside of top impact tong clamp mechanism is provided with the guide rail of a vertical arc plate direction of motion; The straight line draw-in groove with guide rail is located in the gear-box lower end; This draw-in groove just is arranged in the guide rail upside; Also be provided with second oil cylinder that a symmetry is arranged, the cylinder body and the caliper of this second oil cylinder are connected, and the piston rod and the gear-box of this second oil cylinder are connected.
Further improvement as the utility model; Two dash the structure that the button rotating mechanism can drive upper and lower two impact tong clamp mechanism rotation respectively is: dash the button rotating mechanism and comprise punch oil cylinder and first, second and third connecting rod; The cylinder body and the frame of punch oil cylinder are connected; The cylinder body of punch oil cylinder and piston rod form a connecting rod according to Telescopic; Itself and first, second and third connecting rod is movably hinged formation one quadric chain in the first place successively, and the caliper of the jointed shaft of first and second connecting rod of this quadric chain and impact tong clamp mechanism is hinged, can certainly be other structures; Drive cam like motor and end that the top caliper pivots, motor drives its mechanism of crank connecting link and drives caliper and pivot etc. for another example, these structures all are that those skilled in the art can associate according to this patent.
The beneficial effect of the utility model is: the utility model cooperates with the inclined-plane of arc plate through jaw can clamp drilling rod fast, and this structure is afterburning through the inclined-plane, increases gradually and steps up power; Arc plate inclined-plane and jaw plate slide relatively and step up power increase self-locking when dashing button, and drilling rod can not skid when dashing button, when clamping drilling rod; Drilling rod self-centering; Drive upper and lower two impact tong clamp mechanism and relatively rotate the drilling rod of realizing big torsion and link closely and the shackle action through dashing the button rotating mechanism simultaneously, can drive the drilling rod rotation fast through the roller that rotates in the same way again and realize linking closely and shackle the utility model fast; Simple in structure, chucking power is stablized greatly, and is easy to use.
Description of drawings
Fig. 1 is the front view of the utility model;
Fig. 2 is the vertical view of the utility model;
Fig. 3 is the left view of the utility model;
Fig. 4 is the stereogram of the utility model;
Fig. 5 is the structural principle sketch map of impact tong clamp mechanism;
Fig. 6 is the structural principle sketch map of resilient suspension mechanism;
Fig. 7 be roller set the structural principle sketch map;
Fig. 8 is the user mode vertical view of the utility model.
The specific embodiment
Embodiment: a kind of structure improved drilling well Power Tong; Comprise frame 1, upper and lower two impact tong clamp mechanism, roller set and dash the button rotating mechanism; With actual service orientation is benchmark; Upper and lower two impact tong clamp mechanism respectively can be around the axle rotational positioning be on frame 1 longitudinally, and the impact tong clamp mechanism on top is positioned at directly over the impact tong clamp mechanism of bottom, and upper and lower two impact tong clamp mechanism vertically can be fastened and connected together in relative motion; The a pair of roller set that is symmetric arrangement respectively can slide in opposition be positioned the impact tong clamp mechanism upper side on top; Two dash the button rotating mechanism is fixedly arranged on the frame 1, and two dash the button rotating mechanism can drive upper and lower two impact tong clamp mechanism rotation respectively, wherein:
The impact tong clamp mechanism comprises caliper 2, power set, arc plate 3, jaw 4 and elastic reset spare 5; Caliper 2 is provided with U type opening; The arc plate 3 of a pair of symmetrical configuration can slide in horizontal plane on the U type opening two opposed inside walls that are positioned caliper 2; Form the wedge shape cylindrical space of an end spacing greater than other end spacing between two arc plates, 3 opposed inside walls, the lateral wall of the jaw 4 phase dorsal parts of a pair of symmetrical configuration is close to the inside wall of a pair of arc plate 3 respectively, forms the circular arc cylindrical space between two jaws 4 inside wall in opposite directions; The sidewall of two arc plates 3 is provided with strip through hole radially; The elastic reset spare of two symmetric arrangement 5 one ends are connected with caliper 2 respectively, and strip through hole and jaw 4 lateral walls that the other end passes corresponding arc plate 3 respectively are connected, and power set can move by drive arc plate 3;
Roller set comprises that roller 6, two rollers 6 of pair of parallel align can rotate in the same way.
The course of work of above-mentioned Power Tong is following:
Said caliper 2 is positioned at the arc plate and also is installed with a pair of backplate 7 that is symmetric arrangement about in the of 3 on two side positions respectively; Be fixedly arranged on pincers tooth 8 on said two jaws 4 inside wall in opposite directions respectively; The pincers tooth stretches out jaw about in the of 4 outside the two ends in two ends 8 about; The sidewall of backplate 7 backstops in pincers tooth 8 along arc plate 3 directions of motion guarantees to clamp the vertically relative linear slide of direction of arc plate 3 directions of motion of tooth 8 and jaw 4 edges.
Said pincers tooth 8 opposed inside walls are provided with ridge design, play the effect of anti-slip.
Said jaw 4 can also be dismantled on the lateral surface of arc plate 3 and be installed with backing plate 9, and backing plate 9 lateral surfaces and arc plate 3 medial surfaces fit tightly, and the backing plate 9 of changing different-thickness according to the size of drilling rod 27 diameters can be realized the coupling of jaw 4 inside and drilling rod 27.
Said impact tong clamp mechanism also comprises on the opposing lateral surface of a pair of friction plate that is symmetric arrangement 10, two friction plates 10 broached-tooth design that is respectively equipped with mutual coupling on the U type opening inside wall with caliper 2, and friction plate 10 is provided with screwed hole; Caliper 2 is provided with through hole with corresponding position, friction plate 10 upper screwed hole position; Also be provided with screw, screw passes that the screwed hole on the through hole and friction plate 10 is spirally connected on the caliper 2, and two friction plates, 10 opposing inside walls contact with arc plate 3 lateral walls; Friction plate 10 slides relatively with pincers tooth 8 and produces friction during use; Prevent caliper 2 because of long-term friction damage,, can change fast when friction plate 10 during because of friction damage; And itself and caliper 2 can be quick, stable dismounting and installation, easy to use.
Said power set can the drive arc plate structure of 3 motions be: be provided with first oil cylinder 11, connecting plate 24 and pull bar 12; The cylinder body of first oil cylinder 11 is fixedly arranged on the caliper 2; The piston rod of first oil cylinder 11 and a center of winning in succession are connected, and the two ends of the length direction of winning in succession are connected with a pull bar 12 1 ends respectively, and pull bar 12 other ends are connected with arc plate 3 one ends respectively; Can certainly be that hydraulic motor 28 drives cam or linkage, also can realize above-mentioned functions.
The structure that said upper and lower two impact tong clamp mechanism vertically can relative motion be fastened and connected together is: be provided with a resilient suspension mechanism; The following linking arm 14 that this resilient suspension mechanism comprises last linking arm 13 that caliper 2 downsides with the impact tong clamp mechanism on top are connected, be connected with caliper 2 upsides of the impact tong clamp mechanism of bottom, end jacking block 15, end top elastic component 16 and suspension body 17; Last linking arm 13 is the barrel of lower ending opening; Last connecting wall inside wall is provided with the V-shaped ring-type inner groovy of a circle axial cross section; Following connecting wall upper end can be inserted into linking arm 13 inboards, and at least three are ended on the ring-type inner groovy inside wall of V-type that jacking block 15 outer elastic press closer linking arm 13, end jacking block 15 inside walls and hang body 17 1 ends being connected; Suspension body 17 other ends axially can slide and be inserted in down on linking arm 14 outer circle walls; End top elastic component 16 and be sheathed on suspension body 17 outsides, end top elastic component 16 1 end elasticity and press closer only jacking block 15 another end walls, end top elastic component 16 other end elasticity and press closer down linking arm 14 outer circumference surfaces; When upper and lower caliper 2 is followed drilling rod 27 generation lengthwise movements; Only jacking block 15 slides with regard to the ring-type inner groovy inside wall of the V-type on last linking arm 13, compresses only top elastic component 16 formation radiai adjustment in the time of its slip, simultaneously through the corresponding motion of linking arm 14 drive lower clamps, 2 vertical generations down; Guaranteed that last lower clamp 2 can adjust distance at any time with drilling rod 27 two sections, prevented to damage upper and lower impact tong clamp mechanism; Except that said structure, can certainly be to be connected through plurality of elastic part and set screw between the caliper 2 of up and down two impact tong clamp mechanism, also can realize the function that vertically can slide relatively and locate.
The structure that said two rollers 6 can rotate in the same way is: also be provided with hydraulic motor 28 and gear-box 18; Can rotate in the gear-box 18 and be provided with a driving gear 19, a transition gear 20 and a driven gear 21; Driving gear 19 and transition gear 20 engagements, transition gear 20 meshes with driven gear 21 again, and driving gear 19 upper ends and motor power output are connected; Driving gear 19 lower ends and a roller 6 coaxial being connected, driven gear 21 lower ends also with a roller 6 coaxial being connected.
The structure that the said a pair of roller set that is symmetric arrangement respectively can slide in opposition be positioned the impact tong clamp mechanism upper side on top is: caliper 2 upsides of top impact tong clamp mechanism are provided with the guide rail of vertical arc plate 3 directions of motion; The straight line draw-in groove with guide rail is located in gear-box 18 lower ends; This draw-in groove just is arranged in the guide rail upside; Also be provided with second oil cylinder 22 that a symmetry is arranged, the cylinder body of this second oil cylinder 22 and caliper 2 are connected, and the piston rod of this second oil cylinder 22 and gear-box 18 are connected.
Said two dash the structure that the button rotating mechanism can drive upper and lower two impact tong clamp mechanism rotation respectively is: dash the button rotating mechanism and comprise punch oil cylinder 23 and first, second and third connecting rod; The cylinder body of punch oil cylinder 23 and frame 1 are connected; The cylinder body of punch oil cylinder 23 and piston rod form a connecting rod according to Telescopic; Itself and first, second and third connecting rod is movably hinged formation one quadric chain in the first place successively; The caliper 2 of the jointed shaft of first and second connecting rod of this quadric chain and impact tong clamp mechanism is hinged; Can certainly be other structures, drive cam like motor and end that top caliper 2 pivots, motor drives its mechanism of crank connecting link and drives caliper 2 and pivot etc. for another example that these structures all are that those skilled in the art can associate according to this patent.
Claims (10)
1. structure improved drilling well Power Tong; It is characterized in that: comprise frame (1), upper and lower two impact tong clamp mechanism, roller set and dash the button rotating mechanism; With actual service orientation is benchmark; Upper and lower two impact tong clamp mechanism respectively can be around the axle rotational positioning be on frame (1) longitudinally, and the impact tong clamp mechanism on top is positioned at directly over the impact tong clamp mechanism of bottom, and upper and lower two impact tong clamp mechanism vertically can be fastened and connected together in relative motion; The a pair of roller set that is symmetric arrangement respectively can slide in opposition be positioned the impact tong clamp mechanism upper side on top; Two dash the button rotating mechanism is fixedly arranged on the frame (1), and two dash the button rotating mechanism can drive upper and lower two impact tong clamp mechanism rotation respectively, wherein:
The impact tong clamp mechanism comprises caliper (2), power set, arc plate (3), jaw (4) and elastic reset spare (5); Caliper (2) is provided with U type opening; The arc plate (3) of a pair of symmetrical configuration can slide in horizontal plane on the U type opening two opposed inside walls that are positioned caliper (2); Form the wedge shape cylindrical space of an end spacing between two arc plate (3) opposed inside walls greater than other end spacing; The lateral wall of the jaw of a pair of symmetrical configuration (4) phase dorsal part is close to the inside wall of a pair of arc plate (3) respectively; Form the circular arc cylindrical space between two jaws (4) inside wall in opposite directions, the sidewall of two arc plates (3) is provided with strip through hole radially, and the elastic reset spare of two symmetric arrangement (5) one ends are connected with caliper (2) respectively; Strip through hole and jaw (4) lateral wall that the other end passes corresponding arc plate (3) respectively are connected, and power set can move by drive arc plate (3);
Roller set comprises the roller (6) of pair of parallel align, and two rollers (6) can rotate in the same way.
2. structure improved drilling well Power Tong according to claim 1; It is characterized in that: said caliper (2) is positioned at arc plate (3) and also is installed with a pair of backplate (7) that is symmetric arrangement respectively on two side positions up and down; Be fixedly arranged on pincers tooth (8) on said two jaws (4) inside wall in opposite directions respectively; Pincers teeth (8) two ends up and down stretch out jaw (4) outside, two ends up and down, the sidewall of backplate (7) backstop in pincers teeth (8) along arc plate (3) direction of motion.
3. structure improved drilling well Power Tong according to claim 2 is characterized in that: said pincers tooth (8) opposed inside wall is provided with ridge design.
4. structure improved drilling well Power Tong according to claim 1 is characterized in that: jaw (4) can also be dismantled on the lateral surface of arc plate (3) and be installed with backing plate (9), and backing plate (9) lateral surface and arc plate (3) medial surface fit tightly.
5. structure improved drilling well Power Tong according to claim 1; It is characterized in that: the impact tong clamp mechanism also comprises a pair of friction plate (10) that is symmetric arrangement; Be respectively equipped with the broached-tooth design of mutual coupling on the opposing lateral surface of two friction plates (10) and on the U type opening inside wall of caliper (2); Friction plate (10) is provided with screwed hole, and caliper (2) is provided with through hole with corresponding position, friction plate (10) upper screwed hole position, also is provided with screw; The screwed hole that screw passes on last through hole of caliper (2) and the friction plate (10) is spirally connected, and the opposing inside wall of two friction plates (10) contacts with arc plate (3) lateral wall.
6. structure improved drilling well Power Tong according to claim 1; It is characterized in that: said power set can drive arc plate (3) structure of motion be: be provided with first oil cylinder (11), connecting plate (24) and pull bar (12); The cylinder body of first oil cylinder (11) is fixedly arranged on the caliper (2); The piston rod and the center of winning in succession of first oil cylinder (11) are connected, and the two ends of the length direction of winning in succession are connected with a pull bar (12) one ends respectively, and pull bar (12) other end is connected with arc plate (3) one ends respectively.
7. structure improved drilling well Power Tong according to claim 1; It is characterized in that: the structure that said upper and lower two impact tong clamp mechanism vertically can relative motion be fastened and connected together is: be provided with a resilient suspension mechanism; The following linking arm (14) that this resilient suspension mechanism comprises last linking arm (13) that caliper (2) downside with the impact tong clamp mechanism on top is connected, be connected with caliper (2) upside of the impact tong clamp mechanism of bottom, end jacking block (15), end top elastic component (16) and hang body (17); Last linking arm (13) is the barrel of lower ending opening; Last connecting wall inside wall is provided with the V-shaped ring-type inner groovy of a circle axial cross section; Following connecting wall upper end can be inserted into linking arm (13) inboard; At least three are ended on the ring-type inner groovy inside wall of V-type that jacking block (15) outer elastic presses closer linking arm (13); End jacking block (15) inside wall and be connected with suspension body (17) one ends, suspension body (17) other end axially can slide and be inserted in down on linking arm (14) outer circle wall, ends top elastic component (16) and is sheathed on suspension body (17) outside; End top elastic component (16) one end elasticity and press closer only another end wall of jacking block (15), end top elastic component (16) other end elasticity and press closer down linking arm (14) outer circumference surface.
8. structure improved drilling well Power Tong according to claim 1; It is characterized in that: the structure that two rollers (6) can rotate in the same way is: also be provided with hydraulic motor (28) and gear-box (18); Can rotate in the gear-box (18) and be provided with a driving gear (19), a transition gear (20) and a driven gear (21); Driving gear (19) and transition gear (20) engagement, transition gear (20) meshes with driven gear (21) again, and driving gear (19) upper end is connected with the motor power output; Driving gear (19) lower end and coaxial being connected of a roller (6), driven gear (21) lower end also with coaxial being connected of a roller (6).
9. structure improved drilling well Power Tong according to claim 8; It is characterized in that: the structure that the said a pair of roller set that is symmetric arrangement respectively can slide in opposition be positioned the impact tong clamp mechanism upper side on top is: caliper (2) upside of top impact tong clamp mechanism is provided with the guide rail of vertical arc plate (a 3) direction of motion; The straight line draw-in groove with guide rail is located in gear-box (18) lower end; This draw-in groove just is arranged in the guide rail upside; Also be provided with second oil cylinder (22) that a symmetry is arranged, the cylinder body of this second oil cylinder (22) and caliper (2) are connected, and the piston rod of this second oil cylinder (22) and gear-box (18) are connected.
10. structure improved drilling well Power Tong according to claim 1; It is characterized in that: two dash the structure that the button rotating mechanism can drive upper and lower two impact tong clamp mechanism rotation respectively is: dash the button rotating mechanism and comprise punch oil cylinder (23) and first, second and third connecting rod; The cylinder body of punch oil cylinder (23) and frame (1) are connected; The cylinder body of punch oil cylinder (23) and piston rod form a connecting rod according to Telescopic; Itself and first, second and third connecting rod is movably hinged formation one quadric chain in the first place successively, and the caliper (2) of the jointed shaft of first and second connecting rod of this quadric chain and impact tong clamp mechanism is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120218390U CN202140048U (en) | 2011-06-24 | 2011-06-24 | Drilling power tong with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120218390U CN202140048U (en) | 2011-06-24 | 2011-06-24 | Drilling power tong with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140048U true CN202140048U (en) | 2012-02-08 |
Family
ID=45551109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120218390U Expired - Lifetime CN202140048U (en) | 2011-06-24 | 2011-06-24 | Drilling power tong with improved structure |
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| Country | Link |
|---|---|
| CN (1) | CN202140048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11867004B2 (en) | 2021-03-22 | 2024-01-09 | Saudi Arabian Oil Company | Systems and assemblies for preventing undesired high speed rotation of power tongs |
-
2011
- 2011-06-24 CN CN201120218390U patent/CN202140048U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11867004B2 (en) | 2021-03-22 | 2024-01-09 | Saudi Arabian Oil Company | Systems and assemblies for preventing undesired high speed rotation of power tongs |
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