CN215711285U

CN215711285U - Double-column single-arm lorry-mounted crane for well testing

Info

Publication number: CN215711285U
Application number: CN202121714941.3U
Authority: CN
Inventors: 李志鹏; 张立强; 石章坤; 赵生永; 陆泽文
Original assignee: Lanzhou Chenglin Oil Drilling Equipment Co ltd
Current assignee: Lanzhou Chenglin Oil Drilling Equipment Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-01
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to a double-column single-arm lorry-mounted crane for well testing. The double-column single-arm lorry-mounted crane of the test/test well truck comprises the test/test well truck, the lorry-mounted crane is arranged at the central position behind the test/test well truck, the crane is arranged at the central position of the whole truck, the suspension arm is arranged in advance along the truck direction, the gravity center of the crane is coincided with the center of the truck, the crane is of a double-column structure, a free space of 1.6m is ensured in the middle of the driving safety column of the truck, and a space is reserved for a cable/steel wire to pass through and an operator to observe a wellhead; meanwhile, the crane is provided with an overwinding prevention device and a limit switch, so that the safe operation of the crane is ensured; the well testing operation of the utility model only needs one vehicle, and the vehicle layout is reasonable, and the well testing operation can be directly completed. The utility model has compact structure and labor-saving operation, improves the labor productivity, reduces the operation cost and improves the operation safety; besides the operation of testing/testing by the testing/testing vehicle, other equipment hoisting operations can be carried out.

Description

Double-column single-arm lorry-mounted crane for well testing

Technical Field

The utility model relates to an oil field well testing/testing operation vehicle. In particular to a lorry-mounted crane configured for an oil field well testing/testing vehicle or other special operation vehicles, which integrates the functions of loading and unloading, well testing/testing operation and transportation, can independently complete the well testing/testing operation and is specially used for the application of the oil field well testing/testing operation.

Background

A special vehicle well testing vehicle for oil field well testing operation is composed of a drum, a cable/steel wire wound around said drum, and a test head suspended from another end of said cable/steel wire for lowering it to the position to be measured in oil well for collecting and analyzing the data in oil well. When the existing well testing/logging truck works, an automobile crane is needed for auxiliary operation, and measuring instruments such as a crown block, a blowout prevention pipe and the like are hoisted by the crane, so that the traffic safety risk is increased, and the well logging operation cost is increased. The conventional lorry-mounted crane in the current market is various in types, and no matter which type, if the conventional lorry-mounted crane is integrated on a well testing/testing vehicle, additional equipment of the well testing/testing vehicle is added; the working conditions suitable for professional equipment such as oil and gas field logging vehicles and well testing vehicles cannot be met, rope arrangement of a winch drum is affected, and the sight of operators is blocked. At present, manufacturers install the conventional lorry-mounted crane at the tail part of a well testing vehicle, and in order to avoid influencing the rope arrangement of a roller and the sight of an operator, the lorry-mounted crane is arranged into an offset structure of an offset central line (a copilot side). The offset of the gravity center of the lorry-mounted crane can cause the weight of the left side and the right side of the vehicle to be unbalanced, and the vehicle is easy to turn over on one side and unsafe in the driving process, especially in a turning road section; the offset of the logging truck is limited at the same time, so that the roller cannot be enlarged or made into a coaxial double roller, namely, the deep well working condition operation or two (cable/steel wire rope) working conditions cannot be met, and particularly, the method cannot be applied to the logging truck.

Disclosure of Invention

The utility model mainly aims to solve the problems of multiple vehicles, high cost, safe operation and the like required in oil field logging/well testing operation, and develops a double-upright-column single-arm lorry-mounted crane for a logging/well testing vehicle by combining the technology and the principle of the conventional mature lorry-mounted crane and the using working condition of the logging/well testing vehicle. The installation requirement of a coaxial double-roller winch or a large single-roller winch under the working condition of a logging/testing well can be met on the logging/testing vehicle of the novel lorry-mounted crane, the rope arrangement and the well head observation of an operator are not influenced, the function of the lorry-mounted crane is completely realized, and the novel lorry-mounted crane can be used as a truck crane in an oil field site. The efficiency of survey/test well operation is improved, the safe operation has been ensured, the running cost is reduced.

The lorry-mounted crane is realized by the following technical scheme:

a double-column single-arm lorry-mounted crane for a well testing/testing vehicle mainly comprises the well testing/testing vehicle, an anti-overwinding device, a lifting hook assembly, a lifting arm support, a lifting arm, a double hydraulic oil cylinder, double auxiliary arms, a steel wire roller, a limit switch, double columns, a rotary table, a base, rear supporting legs, a rotary driving system, an operation system, connecting ribs and front supporting legs. The crane is arranged in the middle of the tail end of the well testing/measuring truck, the base is fixedly arranged in the middle of the rear part of a cross beam of the well testing/measuring truck, the rotary table is arranged on the base, the rotary driving system is arranged on the rotary table and the base, the double-upright-column is fixedly arranged on the rotary table, the suspension arm is welded with the double-auxiliary arm and the connecting rib, the double-auxiliary arm is hinged with the double-upright-column, the suspension arm is longitudinally placed above the whole truck, a suspension arm support is arranged behind a cab of the truck, the suspension arm is connected with the suspension arm support, and the front end of the suspension arm is provided with an anti-overwinding device and a suspension hook assembly; double hydraulic oil cylinders are arranged between the double upright columns and the double auxiliary arms, limit switches are arranged on the double upright columns, steel wire rollers are fixedly arranged at the lower parts of the double auxiliary arms and the connecting ribs, rear support legs are arranged at the rear ends of the auxiliary vehicle girders, and front support legs are arranged at the front ends of the auxiliary vehicle girders; and an operating system is arranged at the rear lower part of the well testing/testing vehicle.

The utility model has the advantages that:

1. the double-column single-arm lorry-mounted crane is arranged on the well testing/testing vehicle, so that the equipment integrates the functions of loading, unloading, well testing operation and moving and transporting, can independently complete well testing operation, does not need to be provided with an automobile crane, and has the advantages of stable operation, good fine adjustment, compact structure, labor saving in operation and convenience in maintenance.

2. A double-column single-arm lorry-mounted crane is arranged on a test/test well truck, the crane is arranged at the center of the whole truck, a suspension arm is arranged in advance along the truck direction, the gravity center of the crane is superposed with the center of the truck, and the running safety of the truck is ensured; during operation, the front and rear supporting legs of the crane extend out of the ground and are supported on the ground, the vehicle is adjusted to be in a horizontal position, the crane rotary table is operated to rotate to enable the suspension arm to turn towards the wellhead direction, the vehicle-mounted crane suspension arm is operated to lift to a working position, the safety and stability of the whole device are guaranteed, and well testing operation is completed.

3. The double-column single-arm lorry-mounted crane is arranged on the logging/test vehicle, and the width of the space between the double columns is 1.6 meters, the width of the rope arrangement of the double-roller structure of the logging vehicle is less than 1.2 meters, and the function and the performance of the double-roller rope arrangement are completely the same as those of the traditional logging vehicle without a lorry-mounted crane. According to the operation requirement, the coaxial double-roller winch can be installed to carry out cable or steel wire operation, and the large-roller winch with the length of more than five kilometers can also be installed to carry out operation, so that the method is suitable for all production logging and well testing operations.

4. The double-column single-arm lorry-mounted crane is installed, the crane does not interfere with a winch to arrange cables when lifting cables or steel wire ropes for operation, operating cabin personnel are not influenced to observe working conditions of a wellhead, the visual line of the operating personnel, the winch and the wellhead are ensured to be on the same straight line, the arrangement of the ropes is convenient, the visual field is wide, and the logging operation efficiency is improved.

5. A double-column single-arm lorry-mounted crane is mounted on a testing/testing truck, so that the ground combined multi-section lubricator can be lifted and mounted at a wellhead before operation, the frequency of manual high-altitude operation is reduced, the labor intensity of personnel operation is reduced, and the safety of personnel operation is ensured.

6. The double-column single-arm lorry-mounted crane is arranged on the well testing/testing vehicle, the function of the crane during well testing operation can be completed, the double-column single-arm lorry-mounted crane can be independently used as the lorry-mounted crane to bear a hoisting task, the self maneuverability is strong, the operation is convenient, and the double-function is achieved.

7. The double-column single-arm lorry-mounted crane is provided with the limit switch on the double-column to perform crane over-limit protection, and the anti-overwinding device is arranged at the front end of the suspension arm to prevent overwinding and give an alarm, so that safety guarantee is provided for well testing operation or hoisting operation.

8. The safety measures and the protection functions adopted by the design of the double-column single-arm lorry-mounted crane are completely consistent with those of the conventional lorry-mounted crane. The logging operation of the utility model only needs one vehicle, and the vehicle layout is reasonable, the structure is compact, the operation is labor-saving, the labor productivity is improved, the operation cost is reduced, and the operation safety is improved;

9. the main performances of the double-column single-arm lorry-mounted crane are as follows: the maximum lifting weight is 14000kg, the maximum lifting height is 25m, the maximum working amplitude is 22.2m, the rotation angle is 360 degrees, the lifting height reaches 18.5m when the amplitude is 15m, and the lifting height reaches 21.5m when the amplitude is 11 m. The maximum characteristic of the device is 4-6m larger than the lifting height and working amplitude of a lorry-mounted crane with the same performance, and the working condition of logging operation can be better met.

Description of the drawings:

FIG. 1 is a schematic diagram of the non-operational state structure of the present invention: wherein: a is a front view, b is a top view, and c is a side view

1. The device comprises a well testing/testing vehicle, 2. an anti-overwinding device, 3. a lifting hook component, 4. a lifting arm support, 5. a lifting arm, 6. a double hydraulic oil cylinder, 7. a double auxiliary arm, 8. a steel wire roller, 9. a limit switch, 10. a double upright post, 11. a rotary table, 12. a base, 13. a rear supporting leg, 14. a rotary driving system, 15. an operation system, 16. a connecting rib and 17. a front supporting leg.

FIG. 2 is a schematic diagram of the operation state structure of the present invention: a is a front view, b is a top view, and c is a side view.

19. Top sheave, 20 lubricators, 21 ground sheave, 22 wellhead equipment, 23 logging/testing cable/wire.

The specific implementation mode is as follows:

as shown in fig. 1, a double-column single-arm lorry-mounted crane for a well testing/testing vehicle comprises the well testing/testing vehicle, which mainly comprises: the automatic rope arranging device comprises a logging/testing vehicle 1, an overwinding prevention device 2, a hook assembly 3, a suspension arm support 4, a suspension arm 5, double hydraulic oil cylinders 6, double auxiliary arms 7, a steel wire roller 8, a limit switch 9, double columns 10, a rotary table 11, a base 12, rear support legs 13, a rotary driving system 14, an operation system 15, connecting ribs 16 and front support legs 17. The rotary driving system 14 can enable the rotary table 11 to rotate in two directions at 360 degrees, and the rotary table 11 can drive the whole crane to rotate in two directions at 360 degrees; an operating system 15 is arranged at the rear lower part of the well testing/testing vehicle 1, the whole crane can be operated to operate, and the whole vehicle is adjusted to be in a horizontal position during operation. So as to ensure the stability and safety of the whole vehicle. The double upright columns 10 are fixedly arranged on the rotary table 11, the lower parts of the double auxiliary arms 7 and the connecting ribs 16 are provided with steel wire rollers 8, and the hoisting steel wire rope rollers 8 are arranged at the rear end of the suspension arm 5. The suspension arm 5, the double auxiliary arms 7 and the connecting ribs 16 are welded to form a suspension arm assembly which is hinged and rotatable with the double upright posts 10, the suspension arm 5 is longitudinally placed above the well testing vehicle 1, the front end of the suspension arm is provided with an anti-over-rolling device, the over-rolling and alarming are prevented, and safety guarantee is provided for well testing vehicle operation or hoisting operation. A suspension arm bracket 4 is arranged behind a cab of the well testing/testing vehicle 1; the suspension arm 5 is connected with the suspension arm bracket 4; the front end of the suspension arm 5 is provided with an overwinding prevention device 2 and a suspension hook component 3; a double hydraulic oil cylinder 6 is arranged between the double upright columns 10 and the double auxiliary arms 7, and the lifting height can be adjusted by rotating the lifting arm up and down through the expansion of the oil cylinder; a limit switch 9 is arranged on the double upright posts 10 to play a role in over-limit protection; the space between the double upright columns is used for arranging ropes on the winch roller and observing the wellhead by operators. A rear supporting leg 13 is arranged at the rear end of a secondary crossbeam of the well testing/testing vehicle 1; the front end of the auxiliary girder of the well testing/testing vehicle 1 is provided with a front supporting leg 17.

As shown in figure 2, when the whole vehicle works, the vehicle is parked at a place 10-12 meters away from a wellhead, and the winch is aligned with the wellhead. And (3) extending out the front supporting leg 17 and the rear supporting leg 13 of the lorry-mounted crane, and adjusting the vehicle to be in a horizontal position and to be stable and safe. The operating system 15 enables the luffing cylinder 6 and the rotary driving system 14 to act to lift the suspension arm 5, simultaneously drives the rotary table 11 to rotate to drive the lorry-mounted crane to rotate for 360 degrees, the suspension arm 5 is designed into a 3-5-section telescopic structure, and the position of the suspension arm in the direction is adjusted according to different positions and different weights of a lifted heavy object to carry out operation. During the well testing operation, the suspension arm 5 is rotated to the position above the well head and adjusted to the proper height and amplitude. At this time, an operator operates the coaxial well testing roller, the instrument, the cable/steel wire, the double-column single-arm lorry-mounted crane and the like on an operation platform of the well testing/testing vehicle 1, so that the cable/steel wire 23 sequentially passes through the measuring system, the ground pulley 21, the crown pulley 19 and the lubricator 20, and the well testing/testing instrument is put into the underground through the wellhead device 22. The double-column single-arm lorry-mounted crane hook 13 lifts the overhead sheave 19 and the lubricator 20, and after the overhead sheave 19 and the lubricator 20 are aligned with the wellhead device 22, the connector of the lubricator at the lowest layer is manually fastened, and operation can be performed after the connector is fastened. The operator can observe the well head condition through the window of the well testing/testing vehicle 1 and the double upright post 10 of the crane. After the operation is finished, the cable/steel wire and the instrument are retracted, the interface of the lubricator at the lowest layer is unscrewed manually, the upper pulley 19 and the lubricator 20 are detached, the boom of the lorry-mounted crane is retracted, and the crane returns to a driving state and a parking state.

Claims

1. A double-upright single-arm lorry-mounted crane for well testing is mainly composed of a well testing/testing vehicle (1), an anti-overwinding device (2), a hook assembly (3), an upright arm support (4), an upright arm (5), double hydraulic oil cylinders (6), double auxiliary arms (7), a steel wire roller (8), a limit switch (9), double uprights (10), a rotary table (11), a base (12), rear supporting legs (13), a rotary driving system (14), an operating system (15), connecting ribs (16) and front supporting legs (17), and is characterized in that the crane is arranged at the middle position of the tail end of the well testing/testing vehicle (1), the base (12) is fixedly arranged at the middle position of the rear part of an auxiliary girder of the well testing/testing vehicle (1), the rotary table (11) is arranged on the base (12), the rotary driving system (14) is arranged on the rotary table (11) and the base (12), the double-column (10) is fixedly arranged on the rotary table (11), the suspension arm (5) is welded with the double-auxiliary arm (7) and a plurality of connecting ribs (16), the double-auxiliary arm (7) is hinged with the double-column (10), the suspension arm (5) is longitudinally placed above the well testing vehicle (1), a suspension arm support (4) is arranged behind a cab of the well testing vehicle (1), the suspension arm (5) is connected with the suspension arm support (4), the front end of the suspension arm (5) is provided with an anti-rolling device (2) and a suspension hook component (3), a double hydraulic cylinder (6) is arranged between the double-column (10) and the double-auxiliary arm (7), the double-column (10) is provided with a limit switch (9), the lower parts of the double-auxiliary arm (7) and the connecting ribs (16) are fixedly provided with a steel wire support roller (8), the rear end of an auxiliary girder of the well testing vehicle (1) is provided with a rear support leg (13), the front end of the auxiliary girder/test vehicle (1) is provided with a front leg (17), an operating system (15) is arranged at the rear lower part of the well testing/testing vehicle (1).