CN211058747U

CN211058747U - Power tongs device for sucker rod

Info

Publication number: CN211058747U
Application number: CN201921022650.0U
Authority: CN
Inventors: 郝宁; 侯树旺; 郭军; 颜志强; 张雷; 马红印; 高晨
Original assignee: Senior Ai Equipment Co ltd
Current assignee: Senior Ai Equipment Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-07-21
Anticipated expiration: 2029-07-01

Abstract

The utility model discloses a sucker rod power tong device, including sucker rod chassis, sucker rod power tong, sucker rod slips, sucker rod power tong base lower part is connected with sucker rod chassis one end, and sucker rod power tong base upper portion is connected with sucker rod power tong, and the sucker rod slips is connected with sucker rod chassis one end, and sucker rod chassis lower part is connected with oil well platform, and the sucker rod supports on the sucker rod slips. The utility model discloses degree of mechanization is high, can provide machinery and power unit and accomplish the work of making up, breaking out of the power tong and accomplishing the work of making up, breaking out of the sucker rod that needs manual operation power tong to accomplish under the abominable operational environment in field, has alleviateed operator intensity of labour, has improved work efficiency, has eliminated the potential safety hazard that field operation exists, can satisfy modern oil well operation's safe efficient operation requirement.

Description

Power tongs device for sucker rod

Technical Field

The utility model relates to an oil well mechanical equipment technical field especially relates to a sucker rod power tong device.

Background

The power tong device for the sucker rod in the prior art is heavy in structure, generally needs manual operation of the power tong to complete the screwing-on and unscrewing work of the sucker rod, needs multiple persons to cooperate to operate, install and disassemble, and is large in labor intensity of operators, low in working efficiency, low in mechanical automation degree and unsafe in hidden danger especially in a severe working environment in the field, and cannot meet the safe and efficient operation requirements of modern oil well operation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects existing in the prior art, the utility model aims to provide a sucker rod power tong device. The utility model discloses degree of mechanization is high, can provide machinery and power unit and accomplish the work of making up, breaking out of the power tong and accomplishing the work of making up, breaking out of the sucker rod that needs manual operation power tong to accomplish under the abominable operational environment in field, has alleviateed operator intensity of labour, has improved work efficiency, has eliminated the potential safety hazard that field operation exists, can satisfy modern oil well operation's safe efficient operation requirement.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a sucker rod power tong device, includes sucker rod chassis, sucker rod power tong, sucker rod slips, sucker rod power tong base lower part is connected with sucker rod chassis one end, and sucker rod power tong base upper portion is connected with sucker rod power tong, and the sucker rod slips is connected with sucker rod chassis one end, and sucker rod chassis lower part is connected with oil well platform, and the sucker rod supports on the sucker rod slips.

The sucker rod chassis comprises a chassis body, a power tong moving platform and a horizontally-placed moving platform traction oil cylinder, wherein the chassis body comprises supporting parts at two sides which are connected with each other;

the power tong moving platform comprises an upper supporting platform, supporting frames and supporting wheels on two sides, a notch which is matched with the vertical horizontal movement of the sucker rod is formed in one side of the upper supporting platform and the chassis body, the upper supporting platform is connected with the upper portion of the supporting frames, the supporting portions on the two sides are provided with guide rails, the lower portion of the supporting frames is connected with the supporting wheels, the supporting wheels are matched with the guide rails, an oil cylinder supporting seat is arranged at the middle connecting portion of the other side of the chassis body, and a moving platform traction oil cylinder is connected with the oil cylinder.

Each end part of the supporting parts on two sides is respectively provided with a limiting and buffering structure, each limiting and buffering structure comprises a buffer block and a limiting column, the buffer blocks are connected with the upper parts of the limiting columns, the lower parts of the limiting columns are connected with the end parts of the chassis body, and the buffer blocks correspond to the positions of two ends of the power tong moving platform; a plurality of middle connecting parts are arranged between the supporting parts at the two sides, and the middle connecting parts are respectively connected with the supporting parts at the two sides;

the power tong moving platform is provided with an anti-falling block, the anti-falling block is installed on the power tong moving platform, is not in contact with the base guide rail and is in contact with the base guide rail under the condition of side turning or hoisting, and the safety protection effect is achieved.

The sucker rod power tong comprises a tong body supporting frame, a tong body supporting seat, an upper sucker rod clamping mechanism for clamping the square diameter of an upper sucker rod, and an upper sucker rod rotating mechanism for driving the upper sucker rod to rotate, wherein the lower part of the tong body supporting seat is connected with a power tong fixing plate, the upper sucker rod rotating mechanism is connected with the pincer body supporting frame, the upper sucker rod clamping mechanism is arranged at the lower part of the upper sucker rod rotating mechanism, the upper sucker rod clamping mechanism is connected with the upper sucker rod rotating mechanism through a connecting piece, a claw of the upper sucker rod clamping mechanism is matched with the square diameter of the upper sucker rod, the forceps body supporting frame comprises an upper connecting plate and a lower connecting plate, the upper connecting plate is connected with the lower connecting plate through a plurality of supporting blocks arranged on the periphery, the upper connecting plate and the lower connecting plate are provided with connecting plate open slots for vertically guiding the upper sucker rod into the lower connecting plate, and the lower connecting plate is connected with the upper part of the clamp body supporting seat;

the upper sucker rod rotating mechanism comprises a power tong hydraulic motor and a power gear for driving the upper sucker rod clamping mechanism to rotate, the power output end at the lower end of the power tong hydraulic motor is connected with a driving wheel, the driving wheel is meshed with an intermediate gear, and the intermediate gear is meshed with the power gear; two intermediate gears meshed with the power gears are arranged, the two intermediate gears are separately arranged on the clamp body supporting frame, the horizontal distance of the fixed shafts of the two intermediate gears is matched with the width of an open slot on the upper sucker rod rotating mechanism, and at least one of the two intermediate gears can be matched with the power gear when the power gear rotates.

The upper sucker rod clamping mechanism comprises a clamping jaw, the clamping jaw is provided with a clamping groove matched with the square diameter of an upper sucker rod, connecting plate guide rails are arranged on two sides of the lower portion of the connecting piece, clamping jaw sliding blocks matched with the connecting plate guide rails are arranged on two sides of the clamping jaw, the clamping jaw sliding blocks are matched with the connecting plate guide rails, connecting piece connecting blocks are respectively arranged on the lower portions of two sides of one end, far away from an open slot of the connecting plate, of the connecting piece, clamping jaw connecting blocks are respectively arranged on two sides of one end of the clamping groove, the clamping jaw connecting blocks are connected with the connecting piece connecting blocks through compression springs, spring pre-tightening pressing plates are respectively arranged on two sides of the end portion of the open slot of the connecting plate of the connecting piece, pre-tightening adjusting screws are arranged, the connecting piece is equipped with spring pretension clamp plate fixed axle in the tip outside of connecting plate open slot, be equipped with the rotatory rotary sleeve that can round the fixed axle on the fixed axle, rotary sleeve is connected with connecting pin one end, and the connecting pin other end is equipped with the external screw thread, and the external screw thread cooperates with butterfly nut, is equipped with the open slot respectively in the both sides of spring pretension clamp plate, the connecting pin is equipped with the one end of external screw thread and can follows the card and go into in the open slot, then compresses tightly through butterfly nut.

The clamp body supporting seat comprises a main supporting frame, an adjusting spring, a spring sleeve, a spring cylinder shaft, a spring cylinder lower cover and a spring cylinder upper cover, the spring sleeve is connected with the horizontal part of the main supporting frame at a position close to the middle, the bottoms of the two sides of the main supporting frame are connected with a power clamp fixing plate, the lower cover of the spring cylinder is connected with the bottom end of the spring sleeve, the lower part of the adjusting spring is connected with the pretightening force adjusting pad, an adjusting screw is arranged in the middle of the lower cover of the spring cylinder and connected with the pretightening force adjusting pad, a spring cylinder shaft boss is arranged at the position close to the middle of the spring cylinder shaft, the lower end of the adjusting spring is matched with the pretightening force adjusting pad, the upper end of the adjusting spring is matched with the boss of the spring cylinder shaft, the upper cover of the spring cylinder is connected with the upper end of the spring cylinder, the upper end of the spring cylinder shaft extends out of the upper cover of the spring cylinder, the upper end of the spring cylinder shaft is connected with a clamp body supporting frame of the sucker rod power clamp, and the specific connecting position is connected with a supporting body at the outer edge position of the lower connecting plate; a height adjusting pad is arranged between the upper part of the horizontal part and the lug boss of the spring sleeve.

The sucker rod slips comprise a fixed seat, two caliper bodies and two slip bodies, the fixed seat is connected with a chassis at the lower part, a fixing seat through hole for the sucker rod to pass through is arranged in the middle of the fixing seat, the inner side of each caliper body is respectively provided with a slip body fixing groove, one of the slip bodies is connected with a corresponding slip body fixing groove, the inner sides of the two slip bodies are matched to form a slip through hole for a sucker rod to pass through, the conical surface of the sucker rod is matched with the upper end surface of the outer edge of the slip through hole, slip supporting blocks are arranged at the lower parts of the two slip bodies, the bottoms of the slip supporting blocks are connected with a fixing seat, a supporting block through hole for the sucker rod to pass through is arranged in the middle of each slip supporting block, the outer side of the caliper body is connected with a slip opening and closing rotating shaft, the slip opening and closing rotating shaft is supported on a fixed seat through a bearing seat, and the slip opening and closing rotating shaft is connected with a slip opening and closing power mechanism;

the slip opening and closing power mechanism comprises a driving oil cylinder, two connecting rods and two rocker arms, wherein the oil cylinder is vertically placed, the oil cylinder is connected with the vertical plate, the lower portion of the vertical plate is connected with the fixing seat, the lower end of a piston rod of the oil cylinder is connected with the joint, the lower ends of the two connecting rods are hinged with the two sides of the joint through pin shafts respectively, the upper end of each connecting rod is hinged with one end of the corresponding rocker arm through a pin shaft respectively, and the other end of each rocker arm is connected with the end portion of the corresponding slip opening and closing.

The base of the power tong of the sucker rod comprises a power oil cylinder, a power tong mounting seat, a power tong fixing plate, a coupling clamping mechanism and a lower sucker rod square-diameter clamping mechanism, the oil cylinder is connected with a mounting plate on one side through a fixing seat, the mounting plate is connected with a power tong moving platform on a lower sucker rod chassis, the mounting plate moves along with the power tong moving platform, the outer end of a piston of the power oil cylinder is connected with the power tong mounting seat, the upper part of the power tong mounting seat is connected with the power tong fixing plate, the coupling clamping mechanism is connected to the lower portion of the power tong fixing plate, the lower sucker rod square diameter clamping mechanism is arranged on the lower portion of the coupling clamping mechanism and connected with the power tong fixing plate, the coupling clamping position of the coupling clamping mechanism corresponds to the clamping groove position of the lower sucker rod square diameter clamping mechanism in the height direction, and the fixing plate avoiding groove for preventing installation interference of the sucker rod is arranged on the upper side of the coupling clamping position of the coupling clamping mechanism of the power tong fixing plate.

The coupling clamping mechanism comprises two coupling clamping oil cylinders and two V-shaped clamping blocks which are oppositely arranged on two sides, the two clamping oil cylinders are respectively connected with two sides of a power tong fixing plate, the two V-shaped clamping blocks are positioned in the middle, the outer sides of the two V-shaped clamping blocks are respectively connected with the outer end of a piston of one of the clamping oil cylinders, a guide pressing block is arranged on the power tong fixing plate, and the V-shaped clamping blocks are arranged on the power tong fixing plate through the guide pressing block and move along the axial direction of the oil cylinders under the driving of the pistons of the oil cylinders to clamp or loosen couplings of the sucker rods;

the lower sucker rod square-diameter clamping mechanism comprises a clamping oil cylinder and two sucker rod square-diameter clamping jaws, the clamping oil cylinder is connected with the bottom of the power tong fixing plate, the outer side of each sucker rod square-diameter clamping jaw is connected with the outer end of a piston rod of one clamping oil cylinder, and a clamping groove for clamping a sucker rod is formed between the two sucker rod square-diameter clamping jaws.

A power tong height adjusting structure is arranged on the power tong mounting seat and close to the middle of the power tong mounting seat, the power tong height adjusting structure comprises a height adjusting oil cylinder, a base and a connecting plate at the upper part of the power tong mounting seat, the height adjusting oil cylinder is connected with the base at the lower part of the power tong mounting seat, the outer end of a piston rod of the height adjusting oil cylinder is connected with the connecting plate, and the base is connected with a power tong fixing plate;

the mounting plate is provided with a balancing weight at the other side opposite to the oil cylinder;

the power tong moving platform is characterized in that upper supports are respectively arranged on two sides of the upper portion of the power tong moving platform, convex sliding blocks are arranged on the lower portions of two sides of the mounting plate, a guide pressing plate is arranged on the upper portion of each sliding block, the outer side of each guide pressing plate is fixedly connected with the power tong moving platform, a horizontal guide groove is formed in the lower portion of the inner side of each guide pressing plate, each sliding block is matched with the horizontal groove and moves in the corresponding horizontal guide groove, and the power tong moving platform is movably guided and positioned relative to the chassis through the horizontal.

The utility model has the advantages that:

1. the utility model discloses a sucker rod power tong device degree of mechanization is high, can provide machinery and power unit and accomplish the make-up, the work of breaking out of the sucker rod of power tong completion, has removed and has needed manual operation power tong to accomplish the make-up, the work of breaking out of the sucker rod under open-air abominable operational environment, has alleviateed operator intensity of labour, has improved work efficiency, has eliminated the potential safety hazard that field operation exists, can satisfy modern oil well operation's safe efficient operation requirement.

2. The utility model discloses a sucker rod chassis can conveniently be connected with oil well platform, fixed safe and reliable, and power tong can conveniently fix on the chassis fixing base on the sucker rod chassis, guarantees that the power tong structure is steady fixed reliably and work, reduces operator site work intensity, improves work efficiency, guarantees the safety in production simultaneously.

3. One side is equipped with the notch of cooperation vertically sucker rod horizontal migration on power tong moving platform's the upper portion brace table and the chassis body, is convenient for the removal and the fixed of sucker rod to it is reliable vertical state that the sucker rod keeps, carries out the operation of making up and breaking out of sucker rod.

The supporting parts on two sides are provided with guide rails, the lower part of the supporting frame is connected with a thrust wheel, the thrust wheel is matched with the guide rails, an oil cylinder supporting seat is arranged at the middle connecting part on the other side of the chassis body, and the moving platform pulls the oil cylinder to be connected with the oil cylinder supporting seat. The quick movement of the upper supporting part can be realized through the oil cylinder structure, the working efficiency is improved, the labor intensity of an operator is reduced, and the safety production is ensured to avoid potential safety hazards.

Both sides every tip of supporting part is equipped with spacing and buffer structure respectively, spacing and buffer structure include buffer block, spacing post, and the buffer block is connected with spacing post upper portion, and spacing post lower part is connected with chassis body end, and the buffer block corresponds with power tong moving platform's both ends position, guarantees colliding with fish tail and damage between the relative moving part.

The power tong moving platform is provided with an anti-falling block, the anti-falling block is installed on the power tong moving platform and is not in contact with the base guide rail, and the anti-falling block can be in contact with the base guide rail only under the condition of side turning or hoisting, so that the safety protection effect is achieved.

The power tong moving platform is provided with mud scrapers for scraping impurities such as sludge at the end face positions of the support frames on the two sides of the two ends of the notch, each mud scraper comprises an upper connecting part and a bending part with the lower part inclined towards the outside, and the upper connecting parts are connected with the end parts of the support frames. The mud scraper can shovel away the mud at the contact part of the chassis body, the viscous mud is accumulated upwards after being used for a long time, and the bending part breaks off the mud and removes the mud, so that the problems of low cleaning efficiency, inconvenience and insecurity in manual operation are solved.

4. The utility model discloses a sucker rod power tong can conveniently accomplish the action of breaking out on the sucker rod, can cooperate with the sucker rod of different diameters and high regulation, and power tong can conveniently fix on the chassis fixing base on the sucker rod chassis, guarantees that the power tong structure is steady fixed reliably and work, reduces operator site work intensity, improves work efficiency, guarantees the safety in production simultaneously. When the sucker rod is required to be buckled, the square diameter of the lower sucker rod is clamped by the lower sucker rod square diameter clamping mechanism arranged on the base of the sucker rod power tong, the power tong hydraulic motor drives the power gear to rotate clockwise, the upper sucker rod square diameter is clamped by the upper sucker rod clamping mechanism, the square diameter of the lower sucker rod is clamped by the lower sucker rod square diameter clamping mechanism arranged on the base of the sucker rod power tong, and the sucker rod is kept to be buckled along with the clockwise rotation of the power gear so as to dismantle the sucker rod. The degree of mechanization is high, avoids the problem that manual operation's intensity of labour is big, work efficiency is low and there is the potential safety hazard.

5. Because the sucker rod rotating mechanism comprises the power gear, the driving wheel and the intermediate gear, the intermediate gear is meshed with the power gear, the rotating speed required by the power gear and the sucker rod can be conveniently obtained by realizing the speed reduction function through the intermediate gear, and the working efficiency is improved.

Because the sucker rod rotating mechanism is provided with the open slot, the power gear forms an incomplete gear tooth structure with partial vacancy by being provided with the corresponding gear open slot, two intermediate gears meshed with the power gear are arranged, the two intermediate gears are separately arranged on the clamp body supporting frame, the horizontal distance of the fixed shafts of the two intermediate gears is matched with the width of the open slot on the sucker rod rotating mechanism, at least one of the two intermediate gears can be matched with the power gear when the power gear rotates, the power is reliably transmitted, the running stability is also ensured, and the working reliability and the working efficiency are improved.

6. Because the lower part of the adjusting spring is connected with the pretightening force adjusting pad so as to have the pretightening force required by setting, and the height adjusting pad is arranged between the upper part of the horizontal part and the lug boss of the spring sleeve, the height position of the power tongs can be conveniently adjusted, so that the clamp is suitable for clamping, dismounting and mounting of different sucker rod heights, and the efficiency of the dismounting and the mounting of the sucker rod is improved.

7. The utility model discloses a sucker rod slips can conveniently realize preliminary support and location with the sucker rod in the slips through-hole of sucker rod slips, then with the upper portion of sucker rod and the cooperation of the centre gripping position of keeping silent of power tong, realize breaking out and the operation of making up of sucker rod, the utility model discloses simple structure supports reliably, easy operation, and work efficiency is high, alleviates operator's intensity of labour, guarantees the safety in production of oil well operation.

The utility model discloses an outside and the intermediate junction piece of the caliper body adopt detachable construction such as screw thread to be connected, intermediate junction piece is connected with detachable construction such as the slips rotation axis draw-in groove that opens and shuts, the slip body is connected through the detachable construction such as round pin axle and spring with corresponding slip body fixed slot, can change different slip bodies according to the specification of the sucker rod of difference, perhaps can conveniently change and maintain when the caliper body, the slip body, the intermediate junction piece damages or wearing and tearing are serious, use and maintenance cost are reduced, reduce operator's intensity of labour, improve and maintain work efficiency.

8. The utility model discloses a sucker rod power tong base, because coupling clamping mechanism's coupling clamping position corresponds in the direction of height with the draw-in groove position of lower part sucker rod square diameter chucking mechanism, the power tong fixed plate is equipped with the fixed plate that prevents the sucker rod installation interference at coupling clamping mechanism's coupling clamping position's upside and dodges the groove. The utility model discloses can conveniently be connected with oil well platform, fixed safe and reliable, power tong can conveniently fix on the chassis fixing base on the sucker rod chassis, guarantees that the power tong structure is steady fixed reliably and work, reduces operator site work intensity, improves work efficiency, guarantees the safety in production simultaneously.

9. Power tong moving platform's upper portion both sides are equipped with the upper portion respectively and support, the lower part of mounting panel both sides is equipped with the slider of evagination, is equipped with the direction clamp plate on slider upper portion, the direction clamp plate outside and power tong moving platform fixed connection, the inboard lower part of direction clamp plate is equipped with horizontal guide way, slider and horizontal groove cooperation are removed in horizontal guide way, realize power tong moving platform for the removal direction and the location on chassis through horizontal groove to the slider cooperation. The guide and the positioning movement are reliable, the position is convenient to adjust, and the positioning precision is high, so that the clamping and the dismounting of the sucker rod are convenient.

10. Because the coupling clamping mechanism comprises two coupling clamping oil cylinders and two V-shaped clamping blocks arranged on two opposite sides, the V-shaped clamping blocks are arranged on the power tong fixing plate through guide pressing blocks and move along the axial direction of the oil cylinders to clamp or loosen the couplings of the sucker rods under the driving of pistons of the oil cylinders, the clamping is reliable, the working efficiency of the shackle and the make-up operation is high, and the coupling clamping mechanism is suitable for clamping and fixing the sucker rods with different diameters.

11. The lower sucker rod square-diameter clamping mechanism comprises a clamping oil cylinder and two sucker rod square-diameter clamping jaws, the clamping oil cylinder is connected with the bottom of the power tong fixing plate, the outer side of each sucker rod square-diameter clamping jaw is connected with the outer end of a piston rod of one clamping oil cylinder, and a clamping groove for clamping a sucker rod is formed between the two sucker rod square-diameter clamping jaws. The opening size of the clamping groove can be conveniently adjusted according to the difference of the square diameter size of the sucker rod, the clamping is reliable, the working efficiency of the shackle and the upper shackle operation is high, and the universality of the use are increased.

12. Through be close to the middle part position on the power tong mount pad and be equipped with power tong height adjustment structure, satisfy the operation of breaking out and making up of the sucker rod of different length specifications, improve work efficiency, reduce operator's intensity of labour.

The counterweight block is arranged on the other side, opposite to the oil cylinder, of the mounting plate, so that the center of gravity of the upper portion is kept stable, the power tongs can work reliably, and potential safety hazards caused by inclination are avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a view taken along direction a of fig. 1.

Fig. 3 is a view from direction B of fig. 1.

Fig. 4 is a schematic structural diagram of the present invention.

Fig. 5 is a schematic structural view of the sucker rod chassis of the present invention.

Fig. 6 is a schematic structural view of the power tong moving platform body of fig. 5.

Fig. 7 is a schematic structural view of the sucker rod power tong of the present invention.

Fig. 7a is a schematic structural view of fig. 7 with the upper connecting plate removed.

Fig. 8 is a schematic structural diagram of the upper sucker rod clamping mechanism of the present invention.

FIG. 9 is the second schematic structural view of the clamping mechanism for mounting the sucker rod.

Fig. 10 is a schematic view of the structure of the clamp body supporting seat of the present invention.

FIG. 11 is a schematic diagram of the construction of a sucker rod slip.

Fig. 12 is a first structural schematic diagram of the base of the sucker rod power tong of the present invention.

Fig. 13 is a second schematic structural view of the base of the sucker rod power tong of the present invention.

Fig. 14 is a schematic structural view of the height adjustment structure of the power tong of the present invention.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments.

As shown in fig. 1-14, a sucker rod power tong device comprises a sucker rod chassis 2, a sucker rod power tong 3, a sucker rod slip 4 and a sucker rod power tong base 5, wherein the lower part of the sucker rod power tong base 5 is connected with one end of the sucker rod chassis 2, the upper part of the sucker rod power tong base 5 is connected with the sucker rod power tong 3, the sucker rod slip 4 is connected with one end of the sucker rod chassis 2, the lower part of the sucker rod chassis 2 is connected with an oil well platform, and a sucker rod is supported on the sucker rod slip 4.

As shown in fig. 5-6, the sucker rod chassis comprises a chassis body 211, a power tong moving platform 212, and a moving platform traction cylinder 213 horizontally disposed, the chassis body comprises two side supporting portions 2111 and a plurality of middle connecting portions 2112 connected with the two side supporting portions 2111, the two side supporting portions are provided with guide rails 2113, the power tong moving platform 212 comprises an upper supporting base 2121, two side supporting frames 2122, and a supporting wheel 2123, one side of the upper supporting base 2121 is provided with a notch 217 for matching with the vertical sucker rod to move horizontally, the upper supporting base 2121 is connected with the upper portion of the supporting frame 2122, the lower portion of the supporting frame 2122 is connected with the supporting wheel 2123, the supporting wheel 2123 is matched with the guide rails 2113, the middle connecting portion of the other side of the chassis body 211 is provided with a cylinder 214, and the moving platform traction cylinder 213 is connected with the cylinder supporting base, the outer end of a piston rod 2131 of the traction oil cylinder 213 of the moving platform is connected with one end of the moving platform of the power tong, each end of the supporting part 2111 on two sides is respectively provided with a limiting and buffering structure 215, each limiting and buffering structure comprises a buffering block 2151 and a limiting column 2152, the buffering block 2151 is connected with the upper part of the limiting column 2152, the lower part of the limiting column 2152 is connected with the end of the chassis body 211, and the buffering blocks correspond to the positions of two ends of the moving platform of the power tong.

The power tong moving platform 212 is provided with an anti-falling block 216, the anti-falling block is mounted on the power tong moving platform and is not in contact with the base guide rail, and the anti-falling block can be in contact with the base guide rail only under the condition of side turning or hoisting, so that the safety protection effect is achieved.

The end surfaces of the support brackets 2122 at two sides of the two ends of the slot 217 of the power tong moving platform 212 are provided with mud scrapers 218 for scraping impurities such as sludge, the mud scrapers 218 comprise upper connecting parts and bending parts with lower parts inclining outwards, the upper connecting parts are connected with the end parts of the support brackets 2122, and the lower parts of the lower connecting parts shovel off the sludge at the contact part with the chassis body 211, so that the problems of low cleaning efficiency, inconvenience and insecurity caused by manual operation are solved.

As shown in fig. 7-10, the sucker rod power tong includes a tong support 311, a plurality of tong support 312, an upper sucker rod clamping mechanism for clamping the square diameter of the upper sucker rod, and an upper sucker rod rotating mechanism for driving the upper sucker rod to rotate, the lower part of the tong support is connected with a power tong fixing plate, the upper sucker rod rotating mechanism is connected with the tong support, the upper sucker rod clamping mechanism is connected with the lower part of the upper sucker rod rotating mechanism, the upper sucker rod clamping mechanism is connected with the upper sucker rod rotating mechanism through a connecting piece 317, the jaws of the upper sucker rod clamping mechanism are matched with the square diameter of the upper sucker rod, the tong support 311 includes an upper connecting plate 3111 and a lower connecting plate 3112, the upper connecting plate is connected with the lower connecting plate through a plurality of support blocks 3113 arranged on the periphery, the upper connecting plate and the lower connecting plate are provided, the lower connecting plate 3112 is connected to the upper part of the clamp body supporting seat 312.

The upper sucker rod rotating mechanism comprises a power tong hydraulic motor 313 and a power gear 314 for driving the upper sucker rod clamping mechanism to rotate, the power output end at the lower end of the power tong hydraulic motor 313 is connected with a driving wheel 316, the driving wheel is meshed with an intermediate gear 315, the intermediate gear is meshed with the power gear, and the speed reduction function is realized through the intermediate gear so as to obtain the rotating speed required by the power gear and the sucker rod. Because the sucker rod rotating mechanism is provided with the open slot, the power gear is provided with the corresponding gear open slot 3141 to form an incomplete gear tooth structure with a part of gaps, two intermediate gears 315 meshed with the power gear are arranged, the two intermediate gears are separately arranged on the clamp body supporting frame, the horizontal distance of the fixed shafts of the two intermediate gears is matched with the width of the open slot on the sucker rod rotating mechanism, at least one of the two intermediate gears can be matched with the power gear when the power gear rotates, and the reliable power transmission and the running stability are ensured.

When the sucker rod clamping mechanism is used, when the sucker rod is required to be broken out, the power tong hydraulic motor 313 drives the power gear 314 to rotate anticlockwise, the square diameter of the upper sucker rod is clamped through the upper sucker rod clamping mechanism, a coupling is clamped through the two V-shaped clamping blocks of the coupling clamping mechanism arranged on the base of the sucker rod power tong, and the sucker rod is kept to be broken out along with the anticlockwise rotation of the power gear 314 so as to be dismantled.

When the sucker rod is required to be buckled, the square diameter of the lower sucker rod is clamped by the lower sucker rod square diameter clamping mechanism arranged on the base of the sucker rod power tong, the power tong hydraulic motor 313 drives the power gear 314 to rotate clockwise, the upper sucker rod square diameter is clamped by the upper sucker rod clamping mechanism, the lower sucker rod square diameter is clamped by the lower sucker rod clamping mechanism arranged on the base of the sucker rod power tong, and the sucker rod is kept to be buckled along with the clockwise rotation of the power gear 314 so as to dismantle the sucker rod. The degree of mechanization is high, avoids the problem that manual operation's intensity of labour is big, work efficiency is low and there is the potential safety hazard.

The upper sucker rod clamping mechanism comprises a claw 320, the claw is provided with a clamping groove 3201 matched with the square diameter of the upper sucker rod, two sides of the lower part of the connecting piece 317 are provided with connecting plate guide rails 3173, two sides of the claw are provided with claw slide blocks 3202 matched with the connecting plate guide rails, the claw slide blocks are matched with the connecting plate guide rails, the lower parts of two sides of one end of the connecting piece 317 far away from a connecting plate open slot are respectively provided with a connecting piece connecting block 3174, two sides of one end of the clamping groove of the claw are respectively provided with a claw connecting block 3203, the claw connecting block 3203 is connected with the connecting piece connecting block 3174 through a compression spring 3175, two sides of the end part of the connecting piece 317 are respectively provided with a spring pre-tightening pressing plate 3176, the inner side of the spring pre-tightening pressing plate is provided with a pre-tightening adjusting screw 31, the pretension adjusting screw is matched with the claw connecting block 3203, the connecting piece 317 is provided with a spring pretension pressing plate fixing shaft 3178 at the outer side of the end part of the opening groove of the connecting plate, a rotating sleeve 3179 capable of rotating around the fixing shaft is arranged on the fixing shaft, the rotating sleeve is connected with one end of a connecting pin 3180, the other end of the connecting pin is provided with an external thread, the external thread is matched with a butterfly nut 3181, the opening grooves 3182 are respectively arranged on two sides of the spring pretension pressing plate, one end of the connecting pin, provided with the external thread, can be clamped into the opening grooves, and.

The clamp body supporting seat 312 comprises a main supporting frame 3121, an adjusting spring 3122, a spring sleeve 3123, a spring cylinder shaft 3124, a spring cylinder lower cover 3125 and a spring cylinder upper cover 3126, wherein the spring sleeve is connected with the horizontal part 3127 of the main supporting frame near the middle position, the bottoms of the two sides of the main supporting frame are connected with a power clamp fixing plate 512, the spring cylinder lower cover is connected with the bottom end of the spring sleeve, the lower part of the adjusting spring is connected with a pretightening force adjusting pad 3128, the middle of the spring cylinder lower cover is provided with an adjusting screw 3129, the adjusting screw is connected with the pretightening force adjusting pad 3128, the spring cylinder shaft near the middle position is provided with a spring cylinder shaft boss, the lower end of the adjusting spring is matched with the pretightening force adjusting pad, the upper end of the spring cylinder shaft is matched with the spring cylinder shaft boss, the upper cover of the spring cylinder is connected with the upper end of the spring cylinder, the specific connection position is connected with the support 3120 at the outer edge position of the lower connection plate 3112. A height adjustment pad 3130 is provided between the upper portion of the horizontal portion 3127 and the boss of the spring sleeve 3123. The plurality of clamp body supporting seats 312 can be conveniently adjusted to keep the vertical stress balance of the sucker rod power clamp, so that the sucker rod power clamp is kept in the correct position, the sucker rod can be kept in the correct state and position when being buckled and disassembled, and the damage to the sucker rod and each connecting and clamping mechanism is avoided.

As shown in fig. 11, the sucker rod slip comprises a fixed base 411, two slip bodies 412, two slip bodies 413, wherein the fixed base 411 is provided with a connecting hole near the edge, the fixed base 411 is connected with a chassis at the lower part through a bolt assembly, a fixed base through hole for a sucker rod to pass through is arranged in the middle of the fixed base 411, the inner side of each slip body 412 is respectively provided with a slip body fixing groove 4121, one slip body is connected with a corresponding slip body fixing groove through a detachable structure such as a pin and a spring, slip through holes 4131 for the sucker rod to pass through are formed by matching the inner sides of the two slip bodies, the conical surface of the sucker rod is matched with the upper end face 4132 at the outer edge of the slip through hole and is supported on the slip through the upper end face, the lower parts of the two slip bodies are provided with slip supporting blocks 414, the bottoms of the slip supporting blocks are connected with, the outside of the caliper body is connected with slips opening and closing rotating shaft 415, the slips opening and closing rotating shaft is supported on a fixed seat 411 through a bearing seat 416, and the slips opening and closing rotating shaft is connected with a slips opening and closing power mechanism.

The slips opening and closing power mechanism comprises a driving oil cylinder 420, two connecting rods 421 and two rocker arms 422, wherein the oil cylinder is vertically placed, the oil cylinder is connected with a vertical plate 423, the lower part of the vertical plate is connected with a fixed seat, the lower end of a piston rod of the oil cylinder is connected with a joint 424, the lower ends of the two connecting rods are hinged with the two sides of the joint through pin shafts respectively, the upper end of each connecting rod is hinged with one end of a corresponding rocker arm through a pin shaft respectively, and the other end of each rocker arm is connected with the end part of a corresponding slips opening and closing rotating.

The outside of the caliper body adopts detachable construction such as screw thread with intermediate junction piece 417 to be connected, intermediate junction piece opens and shuts with the slips and detachable construction such as rotation axis draw-in groove is connected, because the outside of the caliper body is connected with intermediate junction piece, and intermediate junction piece and slips rotation axis that opens and shuts are connected to and individual caliper body passes through detachable construction such as round pin axle and spring with corresponding caliper body fixed slot and is connected, can change different caliper bodies according to the specification of the sucker rod of difference, perhaps can conveniently change and maintain when the caliper body, intermediate junction piece damage or wearing and tearing are serious, reduce use and maintenance cost, reduce operator's intensity of labour, improve and maintain work efficiency.

As shown in fig. 12-14, the base of the power tong for sucker rods comprises a power cylinder 511, a power tong mounting seat 515, a power tong fixing plate 512, a coupling tightening mechanism, and a lower sucker rod square diameter clamping mechanism, wherein the cylinder 511 is connected with a mounting plate 514 on one side through a fixing seat 513, the mounting plate 514 is connected with a power tong moving platform 212 of a sucker rod chassis on the lower part, the mounting plate moves along with the power tong moving platform, the outer end of a piston of the power cylinder 511 is connected with the power tong mounting seat 515, the power tong fixing plate 512 is connected with the upper part of the power tong mounting seat 515, the coupling tightening mechanism is connected with the lower part of the power tong fixing plate 512, the lower sucker rod square diameter clamping mechanism is arranged on the lower part of the coupling tightening mechanism and connected with the power tong fixing plate 512, the coupling clamping position of the coupling clamping mechanism corresponds to the clamping groove of, a fixing plate avoiding groove 5121 for preventing the installation interference of the sucker rod is arranged on the upper side of the coupling clamping position of the coupling clamping mechanism of the power tong fixing plate;

the power tong moving platform is characterized in that upper supports are respectively arranged on two sides of the upper portion of the power tong moving platform, convex sliding blocks 516 are arranged on the lower portions of two sides of the mounting plate 514, guide pressing plates 517 are arranged on the upper portions of the sliding blocks, the outer sides of the guide pressing plates are fixedly connected with the power tong moving platform, horizontal guide grooves 518 are arranged on the lower portions of the inner sides of the guide pressing plates, the sliding blocks are matched with the horizontal grooves and move in the horizontal guide grooves, and the power tong moving platform is movably guided and positioned relative to the chassis through the cooperation of the horizontal.

The coupling clamping mechanism comprises two coupling clamping oil cylinders 519 and two V-shaped clamping blocks 520 arranged on two opposite sides, the two clamping oil cylinders are respectively connected with two sides of a power tong fixing plate 512, the two V-shaped clamping blocks 520 are located in the middle, the outer sides of the two V-shaped clamping blocks are respectively connected with the outer end of a piston of one of the clamping oil cylinders, a guide pressing block 521 is arranged on the power tong fixing plate 512, and the V-shaped clamping blocks are installed on the power tong fixing plate 512 through the guide pressing block and move along the axial direction of the oil cylinders under the driving of the pistons of the oil cylinders to clamp or loosen couplings of the sucker rods.

The lower sucker rod square-diameter clamping mechanism comprises a clamping oil cylinder and two sucker rod square-diameter clamping jaws 523, the clamping oil cylinder is connected with the bottom of the power tong fixing plate 512, the outer side of each sucker rod square-diameter clamping jaw is connected with the outer end of a piston rod of one clamping oil cylinder, and a clamping groove 524 for clamping a sucker rod is formed between the two sucker rod square-diameter clamping jaws. The opening size of the clamping groove 524 can be conveniently adjusted according to the different square diameter sizes of the sucker rod, so that the universality and the universality of use are increased.

The lower sucker rod square-diameter clamping mechanism can also adopt the following structure and comprises a clamping oil cylinder and two connecting rods, wherein two sucker rod square-diameter clamping jaws can be connected with one end of each connecting rod, the other end of each connecting rod is a threaded end, the threaded ends are matched with nuts, and the nuts are connected with the power tong fixing plate 512, so that the opening size of the clamping groove 524 can be conveniently adjusted according to the different sizes of the square diameters of the sucker rods, and the universality of use are improved.

The power tong mounting seat is provided with a power tong height adjusting structure 525 near the middle part, the power tong height adjusting structure 525 comprises a height adjusting oil cylinder, a base and a connecting plate on the upper part, the height adjusting oil cylinder is connected with the base on the lower part, the outer end of a piston rod of the height adjusting oil cylinder is connected with the connecting plate, and the base is connected with a power tong fixing plate 512.

The mounting plate is provided with a counterweight 526 at the other side opposite to the cylinder.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. The utility model provides a sucker rod power tong device, characterized by, includes sucker rod chassis, sucker rod power tong, sucker rod slips, sucker rod power tong base lower part is connected with sucker rod chassis one end, and sucker rod power tong base upper portion is connected with sucker rod power tong, and the sucker rod slips is connected with sucker rod chassis one end, and sucker rod chassis lower part is connected with oil well platform, and the sucker rod supports on the sucker rod slips.

2. The sucker rod power tong device of claim 1, wherein the sucker rod chassis comprises a chassis body, a power tong moving platform and a horizontally placed moving platform traction cylinder, the chassis body comprises support parts at two sides which are connected with each other, the power tong moving platform is supported on the support parts through thrust wheels at two sides, the moving platform traction cylinder is connected with the chassis body, and the outer end of a piston rod of the moving platform traction cylinder is connected with one end of the power tong moving platform;

3. The power tong device for sucker rods as claimed in claim 2, wherein each end of the support parts at both sides is provided with a limit and buffer structure, the limit and buffer structure comprises a buffer block and a limit post, the buffer block is connected with the upper part of the limit post, the lower part of the limit post is connected with the end of the chassis body, and the buffer block corresponds to the two ends of the power tong moving platform; a plurality of middle connecting parts are arranged between the supporting parts at the two sides, and the middle connecting parts are respectively connected with the supporting parts at the two sides;

the power tong moving platform is provided with an anti-falling block with a safety protection function.

4. The sucker rod power tong device as claimed in claim 1, wherein the sucker rod power tong comprises a tong support, an upper sucker rod clamping mechanism for clamping the square diameter of the upper sucker rod, and an upper sucker rod rotating mechanism for driving the upper sucker rod to rotate, the lower part of the tong support is connected with a power tong fixing plate, the upper sucker rod rotating mechanism is connected with the tong support, the upper sucker rod clamping mechanism is connected with the upper sucker rod rotating mechanism at the lower part of the upper sucker rod rotating mechanism, the clamping jaws of the upper sucker rod clamping mechanism are matched with the square diameter of the upper sucker rod, the tong support comprises an upper connecting plate and a lower connecting plate, the upper connecting plate is connected with the lower connecting plate through a plurality of supporting blocks arranged at the periphery, and the upper connecting plate and the lower connecting plate are provided with connecting plate open grooves for vertically guiding the upper sucker rod in, the lower connecting plate is connected with the upper part of the clamp body supporting seat;

5. The power tong device for the sucker rod as claimed in claim 4, wherein the upper sucker rod clamping mechanism comprises a jaw having a slot for engaging with the square diameter of the upper sucker rod, connecting plate rails are provided on both sides of the lower portion of the connecting member, jaw sliders are provided on both sides of the jaw for engaging with the connecting plate rails, the jaw sliders are engaged with the connecting plate rails, the connecting member has connecting member connecting blocks on both sides of the lower portion of the end away from the connecting plate open slot, the jaw has jaw connecting blocks on both sides of the end of the slot, the jaw connecting blocks are connected to the connecting member connecting blocks by compression springs, the connecting member has spring pre-tightening pressing plates on both sides of the end of the connecting plate open slot, the inner side of the spring pre-tightening pressing plates is provided with pre-tightening adjusting screws, the pre-tightening adjusting screws are connected to the, the utility model discloses a spring preloading clamp plate, including connecting plate open slot, pretension adjusting screw, connecting piece, connecting pin and butterfly nut, pretension adjusting screw and jack catch connecting block cooperation, the connecting piece is equipped with spring pretension clamp plate fixed axle in the tip outside of connecting plate open slot, be equipped with on the fixed axle and can be round the rotatory swivel sleeve of fixed axle, swivel sleeve is connected with connecting pin one end, and the connecting pin other end is equipped with the external screw thread, and the external screw thread cooperates with butterfly nut, is equipped with the open slot respectively in the both sides of.

6. The sucker rod power tong device as claimed in claim 4, wherein the tong body support comprises a main support frame, an adjusting spring, a spring sleeve, a spring barrel shaft, a lower spring barrel cover, and an upper spring barrel cover, the spring sleeve is connected with the horizontal part of the main support frame near the middle position, the bottoms of both sides of the main support frame are connected with the power tong fixing plate, the lower spring barrel cover is connected with the bottom end of the spring sleeve, the lower adjusting spring is connected with a pre-tightening force adjusting pad, an adjusting screw is arranged in the middle of the lower spring barrel cover and connected with the pre-tightening force adjusting pad, the spring barrel shaft is provided with a spring barrel shaft boss near the middle position, the lower end of the adjusting spring is matched with the pre-tightening force adjusting pad, the upper spring barrel cover is connected with the upper spring barrel cover, the upper end of the spring barrel shaft extends out of the upper spring barrel cover, and the upper end of the spring barrel shaft is connected with the, the specific connecting position is connected with the support body at the outer edge position of the lower connecting plate; a height adjusting pad is arranged between the upper part of the horizontal part and the lug boss of the spring sleeve.

7. The power tong device for the sucker rod according to claim 1, characterized in that the sucker rod slips comprises a fixed seat, two slip bodies and two slip bodies, the fixed seat is connected with a chassis at the lower part, a fixed seat through hole for the sucker rod to pass through is arranged in the middle of the fixed seat, a slip body fixing groove is respectively arranged at the inner side of each slip body, one slip body is connected with a corresponding slip body fixing groove, slip through holes for the sucker rod to pass through are formed by matching the inner sides of the two slip bodies, the conical surface of the sucker rod is matched with the upper end surface of the outer edge of the slip through hole, slip supporting blocks are arranged at the lower parts of the two slip bodies, the bottoms of the slip supporting blocks are connected with the fixed seat, supporting block through holes for the sucker rod to pass through are arranged in the middle of the slip, the outer sides of the slip bodies are connected with slip opening and closing rotating, the slip opening and closing rotating shaft is connected with a slip opening and closing power mechanism;

8. The sucker rod power tong device as claimed in claim 1, wherein the sucker rod power tong base comprises a power cylinder, a power tong mounting seat, a power tong fixing plate, a coupling clamping mechanism and a lower sucker rod square diameter clamping mechanism, the cylinder is connected with a mounting plate on one side through a fixing seat, the mounting plate is connected with a power tong moving platform of a lower sucker rod chassis, the mounting plate moves along with the power tong moving platform, the outer end of a piston of the power cylinder is connected with the power tong mounting seat, the power tong fixing plate is connected with the upper part of the power tong mounting seat, the coupling clamping mechanism is connected with the lower part of the power tong fixing plate, the lower sucker rod square diameter clamping mechanism is arranged at the lower part of the coupling clamping mechanism and is connected with the power tong fixing plate, the coupling clamping position of the coupling clamping mechanism corresponds to the clamping groove of the lower sucker rod square diameter clamping mechanism in the height, the power tong fixing plate is provided with a fixing plate avoiding groove for preventing the installation interference of the sucker rod at the upper side of the coupling clamping position of the coupling clamping mechanism.

9. The power tong device for the sucker rod according to claim 8, wherein the coupling clamping mechanism comprises two coupling clamping cylinders and two V-shaped clamping blocks arranged on two opposite sides of the coupling clamping cylinders, the two clamping cylinders are respectively connected with two sides of the power tong fixing plate, the two V-shaped clamping blocks are arranged in the middle, the outer sides of the two V-shaped clamping blocks are respectively connected with the outer end of the piston of one of the clamping cylinders, a guide pressing block is arranged on the power tong fixing plate, and the V-shaped clamping blocks are arranged on the power tong fixing plate through the guide pressing block and move along the axial direction of the cylinders under the driving of the pistons of the cylinders to clamp or release the couplings of the sucker rod;

10. The power tong device for the sucker rod as claimed in claim 8, wherein the power tong mounting seat is provided with a power tong height adjusting structure near the middle part, the power tong height adjusting structure comprises a height adjusting oil cylinder, a base and an upper connecting plate, the height adjusting oil cylinder is connected with the lower base, the outer end of a piston rod of the height adjusting oil cylinder is connected with the connecting plate, and the base is connected with the power tong fixing plate;