CN214836180U

CN214836180U - Power elevator positioning device for workover operation

Info

Publication number: CN214836180U
Application number: CN202120209601.9U
Authority: CN
Inventors: 杨若森; 王春胜; 李锦贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-23
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses workover power elevator positioner, including stand, the location return bend that is located the well head next door and install in hydro-cylinder, left drive mechanism, right drive mechanism and location funnel on the stand, the lower extreme of location return bend can insert in the location funnel, the upper end of location return bend is fixed on two long arm rings. The utility model discloses workover power elevator positioner transmits the power of hydro-cylinder for location funnel through left and right drive mechanism and left and right gear of connecting between left and right drive mechanism, drives and controls the removal about the location funnel, realizes the quick accurate location to the location drop pipe, has improved work efficiency greatly, has solved among the prior art because the location problem that weather factor produced.

Description

Power elevator positioning device for workover operation

Technical Field

The utility model relates to a mechanical device that oil field workover was used, in particular to a device that is used for power elevator location.

Background

At present, in the workover operation of each large oil field in China, automatic elevator operation is carried out through the power elevator connected with the two long-arm hoisting rings, namely, the power elevator automatically clasps and releases an oil pipe, and the work that the oil pipe needs to be manually picked and hung on the elevator in the prior art is replaced. However, in the hoisting process, because the two long-arm hoisting rings are hung on the movable pulley of the oil rope of the hoisting equipment, when the hoisting equipment moves the positions of the long-arm hoisting rings through the oil rope, the long-arm hoisting rings are influenced by factors such as outdoor wind and the like, and the long-arm hoisting rings can swing ceaselessly, so that the power elevator hung on the long-arm hoisting rings can swing ceaselessly, and finally, the power elevator is difficult to accurately find the relevant positions to clamp and loosen the oil pipe, the speed of lifting and lowering the oil pipe is directly influenced, and the efficiency of the oil field well repairing work is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure and can realize the workover operation power elevator positioner of quick accurate location to the power elevator.

The utility model discloses workover power elevator positioner, including be located the grudging post on well head next door, location return bend and install in hydro-cylinder, left drive mechanism, right drive mechanism and the location funnel on the grudging post, the lower extreme of location return bend can insert in the location funnel, the upper end of location return bend is fixed on two long arm rings, left side drive mechanism includes two front and back symmetric distribution's upper left connecting rod and two front and back symmetric distribution's lower left connecting rod, two the left end of upper left connecting rod articulates respectively in first round pin axle, two the right-hand member of upper left connecting rod articulates respectively in second round pin axle through left gear axle sleeve, two the left end of lower left connecting rod articulates respectively in third round pin axle, two the right-hand member of lower left connecting rod articulates respectively in fourth round pin axle, the preceding, the back both ends of first round pin axle and third round pin axle are fixed in respectively the preceding, the back both ends of grudging post, The front ends and the rear ends of the second pin shaft and the fourth pin shaft are respectively fixed on a front middle connecting plate and a rear middle connecting plate, a longitudinal beam is connected between the two upper left connecting rods, the movable end of the oil cylinder is hinged with the longitudinal beam, the fixed end of the oil cylinder is hinged on a vertical frame positioned below the left transmission mechanism, the right transmission mechanism comprises two upper right connecting rods which are symmetrically distributed front and back and two lower right connecting rods which are symmetrically distributed front and back, the left ends of the two upper right connecting rods are respectively hinged on a fifth pin shaft through a right gear shaft sleeve, the right ends of the two upper right connecting rods are respectively hinged on a sixth pin shaft, the left ends of the two lower right connecting rods are respectively hinged on a seventh pin shaft, the right ends of the two lower right connecting rods are respectively hinged on an eighth pin shaft, and the front ends and the rear ends of the fifth pin shaft and the seventh pin shaft are respectively fixed on the front middle connecting plate and the rear middle connecting plate, the front end and the rear end of the sixth pin shaft and the rear end of the eighth pin shaft are respectively fixed on the funnel side plate, the positioning funnel is fixed on the right side of the front funnel side plate and the rear funnel side plate, and the left gear shaft sleeve and the right gear shaft sleeve are respectively provided with a left gear and a right gear which are meshed with each other.

The utility model discloses workover power elevator positioner, wherein the last port of location funnel is greater than lower port, the side of location funnel begins to shrink downwards to lower port from the last port gradually.

The utility model discloses workover power elevator positioner, wherein the location drop tube is formed through the U-shaped union coupling by two mutual parallels and down type pipes of falling L, the U-shaped pipe links together the lower extreme of type pipe of falling L, the upper end of two type pipes of falling L of location drop tube is connected respectively with two on the long arm rings.

The utility model discloses workover power elevator positioner, the mechanism is simple, through left and right drive mechanism and connect left and right gear between left and right drive mechanism with the power transmission of hydro-cylinder for the location funnel, drive and control the removal about the location funnel, realize the quick accurate location to location drop and power elevator, improved work efficiency greatly, solved among the prior art because the power elevator location problem that weather factor produced.

The following describes the positioning device of the power elevator for workover operations with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of the power elevator positioning device and the power elevator device used in conjunction with each other in workover operations of the present invention;

FIG. 2 is a top view of the power elevator positioning device and the power elevator device used in conjunction with each other for workover operations of the present invention;

FIG. 3 is a cross-sectional view A-A of the powered elevator positioning apparatus of FIG. 2 mounted on an intake stand;

FIG. 4 is a right side view of the positioning elbow and the long arm hoist link.

Detailed Description

As shown in fig. 1, the utility model discloses workover power elevator positioner is including the grudging post 1, the location return bend 8 that are located the well head next door and install hydro-cylinder 2, left drive mechanism 3, right drive mechanism 4 and the location funnel 5 on grudging post 1. The lower end of the positioning bent pipe 8 can be inserted into the positioning funnel 5, the upper end of the positioning bent pipe 8 is fixed on the two long-arm hoisting rings 10, and the two long-arm hoisting rings 10 are hung on a movable pulley of an oil wire rope of hoisting equipment. As shown in fig. 4, the positioning hanging pipe 8 is formed by connecting two downward inverted L-shaped pipes 81 parallel to each other through a U-shaped pipe 82, the U-shaped pipe 82 connects the lower ends of the two inverted L-shaped pipes 81 together, and the upper ends of the two inverted L-shaped pipes 81 of the positioning hanging pipe 8 are fixed to the two long-arm slings 10 through connecting plates and bolts, respectively.

As shown in fig. 2 and 3, the left transmission mechanism 3 includes two upper left connecting rods 31 and two lower left connecting rods 32, which are symmetrically distributed in the front-back direction, the left ends of the two upper left connecting rods 31 are respectively hinged to a first pin shaft 33, the right ends of the two upper left connecting rods 31 are respectively hinged to a second pin shaft 34 through a left gear shaft sleeve 38, the left ends of the two lower left connecting rods 32 are respectively hinged to a third pin shaft 35, the right ends of the two lower left connecting rods 32 are respectively hinged to a fourth pin shaft 36, the front and rear ends of the first pin shaft 33 and the third pin shaft 35 are respectively fixed on the front and rear fixing plates 11, 11' of the stand 1, the front ends of the second pin shaft 34 and the fourth pin shaft 36, the rear two ends are respectively fixed on the front and rear middle connecting plates 7, 7', a longitudinal beam 37 is connected between the two left upper connecting rods 31, the movable end of the oil cylinder 2 is hinged with the longitudinal beam 37, and the fixed end of the oil cylinder 2 is hinged on the vertical frame 1 positioned below the left transmission mechanism 3.

As shown in fig. 2 and 3, the right transmission mechanism 4 includes two upper right connecting rods 41 and two lower right connecting rods 42, the upper right connecting rods 41 and the lower right connecting rods 42 are symmetrically arranged in a front-rear direction, the left ends of the two upper right connecting rods 41 are respectively hinged to a fifth pin shaft 43 through a right gear shaft sleeve 48, the right ends of the two upper right connecting rods 41 are respectively hinged to a sixth pin shaft 44, the left ends of the two lower right connecting rods 42 are respectively hinged to a seventh pin shaft 45, the right ends of the two lower right connecting rods 42 are respectively hinged to an eighth pin shaft 46, the front and rear ends of the fifth pin shaft 43 and the seventh pin shaft 45 are respectively fixed on the front and rear middle connecting plates 7, 7 ', the front and rear ends of the sixth pin shaft 44 and the eighth pin shaft 46 are respectively fixed on the funnel side plates 9, 9 ', the positioning funnel 5 is fixed on the right sides of the front and rear funnel side plates 9, 9 ', the upper end opening of the positioning funnel 5 is larger than the lower end opening, the side surface of the positioning funnel 5 gradually shrinks from the upper end opening to the middle to the lower end opening, a funnel-shaped inclined plane is formed, and the size of the lower port of the positioning funnel 5 can meet the requirement of matching with the lower end of the positioning hanging pipe 8. The left and right gear sleeves 38, 48 are respectively provided with two left and right gears 6, 6' which are meshed with each other.

The utility model discloses workover power elevator positioner, the connecting rod on the flexible drive left drive mechanism 3 through 2 expansion ends of hydro-cylinder rotates, and the connecting rod rotates and drives left gear shaft cover 38 rotatory to it is rotatory to drive left gear 6 of installing on left gear shaft cover 38, and left gear 6 meshes with right gear 6', thereby drives the connecting rod rotation on the right drive mechanism 4, finally drives 5 left and right removals of location funnel. When needs fix a position, the expansion end of hydro-cylinder 2 stretches out and drives location funnel 5 and remove to the below of location davit 8 rightly, because the last port of location funnel 5 is greater than the port down, be fixed in location return bend 8 on long arm rings 10 can get into the last port of location funnel 5 very easily under the very big circumstances of external wind-force, and along with the decline of long arm rings 10, guide location return bend 8 gets into the port down of location funnel 5, thereby accomplish the quick accurate location to installing in power elevator 11 of long arm rings 10 lower extreme, the work efficiency is greatly improved, the location problem because weather factor produces among the prior art has been solved.

The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a workover power elevator positioner which characterized in that: comprises a vertical frame (1) positioned beside a wellhead, a positioning bent pipe (8), an oil cylinder (2), a left transmission mechanism (3), a right transmission mechanism (4) and a positioning funnel (5) which are arranged on the vertical frame (1), wherein the lower end of the positioning bent pipe (8) can be inserted into the positioning funnel (5), the upper end of the positioning bent pipe (8) is fixed on two long-arm hoisting rings (10), the left transmission mechanism (3) comprises two upper left connecting rods (31) which are symmetrically distributed front and back and two lower left connecting rods (32) which are symmetrically distributed front and back, the left ends of the two upper left connecting rods (31) are respectively hinged on a first pin shaft (33), the right ends of the two upper left connecting rods (31) are respectively hinged on a second pin shaft (34) through a left gear shaft sleeve (38), and the left ends of the two lower left connecting rods (32) are respectively hinged on a third pin shaft (35), the right ends of the two left lower connecting rods (32) are respectively hinged to a fourth pin shaft (36), the front and rear ends of the first pin shaft (33) and the third pin shaft (35) are respectively fixed on the front and rear fixing plates (11, 11 ') of the vertical frame (1), the front and rear ends of the second pin shaft (34) and the fourth pin shaft (36) are respectively fixed on the front and rear middle connecting plates (7, 7'), a longitudinal beam (37) is connected between the two left upper connecting rods (31), the movable end of the oil cylinder (2) is hinged to the longitudinal beam (37), the fixed end of the oil cylinder (2) is hinged to the vertical frame (1) below the left transmission mechanism (3), the right transmission mechanism (4) comprises two front and rear symmetrically distributed right upper connecting rods (41) and two front and rear symmetrically distributed right lower connecting rods (42), the left ends of the two right upper connecting rods (41) are respectively hinged to a fifth pin shaft (43) through a right gear shaft sleeve (48), the right ends of the two upper right connecting rods (41) are respectively hinged to a sixth pin shaft (44), the left ends of the two lower right connecting rods (42) are respectively hinged to a seventh pin shaft (45), the right ends of the two lower right connecting rods (42) are respectively hinged to an eighth pin shaft (46), the front end and the rear end of a fifth pin shaft (43) and the rear end of a seventh pin shaft (45) are respectively fixed to the front middle connecting plate and the rear middle connecting plate (7, 7 '), the front end and the rear end of a sixth pin shaft (44) and the rear end of an eighth pin shaft (46) are respectively fixed to funnel side plates (9, 9'), the positioning funnel (5) is fixed to the right sides of the front funnel side plate and the rear funnel side plate (9, 9 '), and the left gear shaft sleeve and the right gear shaft sleeve (38, 48) are respectively provided with a left gear and a right gear (6, 6') which are mutually meshed.

2. The workover power elevator positioning device of claim 1, wherein: the upper port of the positioning funnel (5) is larger than the lower port, and the side surface of the positioning funnel (5) gradually shrinks downwards from the upper port to the lower port.

3. The workover power elevator positioning apparatus of any one of claims 1-2, wherein: the positioning bent pipe (8) is formed by connecting two downward inverted L-shaped pipes (81) which are parallel to each other through a U-shaped pipe (82), the lower ends of the inverted L-shaped pipes (81) are connected together through the U-shaped pipe (82), and the upper ends of the two inverted L-shaped pipes (81) of the positioning bent pipe (8) are respectively connected with the two long-arm hanging rings (10).