CN206801478U - Hydraulic drill rig derrick with floating device - Google Patents

Abstract

The utility model discloses a hydraulic drilling rig derrick with a traveling device, which comprises a derrick assembly and a traveling assembly, the traveling assembly and the derrick assembly are slidingly socketed; Connection; the structure of the traveling assembly is, including the traveling frame, the upper pulley and the lower pulley are respectively installed at the upper and lower ends of the traveling frame; a steel wire rope is wound between the upper pulley and the lower pulley, and the movable section of the steel rope is fixed to the lifting mechanism After the wire rope bypasses the upper pulley and the lower pulley, both ends of the wire rope are connected to the wire rope fixing mechanism, and the wire rope fixing mechanism is fixed on the derrick assembly; the upper end of the traveling frame is hinged with the piston rod ear of the oil cylinder through the pin shaft, The piston rod passes upwards through the frame beam inside the traveling frame. The device of the utility model simplifies the structure of the drilling rig, making the installation, transportation and maintenance of the drilling rig more convenient and reliable.

Description

Hydraulic Drilling Rig Derrick with Swimming Device

technical field

The utility model belongs to the technical field of petroleum machinery and relates to a hydraulic drilling derrick with a swimming device.

Background technique

At present, the derricks of small workover rigs generally use double-section derricks. This kind of derrick is equipped with all the components required by conventional derricks such as crown block and winch. The two sections of derricks are firmly fixed at the joint, and the operation process is complicated, which affects the work efficiency.

Utility model content

The purpose of the utility model is to provide a hydraulic drilling rig derrick with a traveling device, which solves the problems of the existing telescopic functional derrick with too long liquid cylinder and complex supporting equipment.

The technical solution adopted by the utility model is that a hydraulic drilling rig derrick with a traveling device includes a derrick assembly and a traveling assembly, and the traveling assembly and the derrick assembly are slidingly socketed; the lower end of the derrick assembly passes through the pin Connect with the base of the cylinder block;

The structure of the traveling assembly is, including the traveling frame, the upper pulley and the lower pulley are respectively installed at the upper and lower ends of the traveling frame; a wire rope is wound between the upper pulley and the lower pulley, and the movable section of the wire rope is fixedly connected with the lifting mechanism. After the wire rope bypasses the upper pulley and the lower pulley, both ends of the wire rope are connected to the wire rope fixing mechanism, and the wire rope fixing mechanism is fixed on the derrick assembly;

The upper end of the traveling frame is hinged with the piston rod lug of the oil cylinder through the pin shaft, and the piston rod of the oil cylinder passes upwardly through the frame beam inside the traveling frame.

The hydraulic drilling rig derrick with swimming device of the utility model is also characterized in that:

The derrick assembly is a steel frame structure, a set of slide rails are respectively fixed on the four columns around the derrick assembly, sliding components are respectively arranged on both sides of the upper and lower ends of the traveling frame, and the sliding components are set as sliders or pulleys Form, the sliding assembly matches the slide rails set on the four columns of the derrick assembly.

The beneficial effects of the utility model are: 1) the derrick has only one section, and there is no need to connect the upper and lower sections of the derrick, and the hydraulic cylinder bears the hook load, omitting supporting facilities such as crown block and winch, and only one The set of wire ropes realizes the functions of lifting the drill pipe and pressurizing the drill pipe at the same time, which simplifies the structure of the drilling rig and makes the installation, transportation and maintenance of the drilling rig more convenient and reliable. 2) At the same time, combined with the hook load transmission method of the conventional wire rope pulley block and the frame steel structure derrick, the single stroke of the hydraulic cylinder drives the double stroke of the lifting mechanism through the swimming device, which shortens the length of the hydraulic cylinder and makes the product easier to produce. 3) Three separate modules (derrick, traveling frame and oil cylinder) are used to jointly realize the drilling and workover function, which is convenient for disassembly, maintenance and transportation.

Description of drawings

Fig. 1 is the structural representation of the present utility model (moving assembly low position);

Fig. 2 is a schematic diagram of the utility model (moving assembly moves to the top);

Fig. 3 is a structural schematic diagram of the swimming assembly in the utility model;

Fig. 4 is a side view of Fig. 3;

Fig. 5 is a schematic diagram (top view) of socketing of the derrick assembly and the traveling assembly of the utility model.

In the figure, 1. Derrick assembly, 2. Swimming assembly, 3. Slide rail, 4. Swimming frame, 5. Wire rope, 6. Wire rope fixing mechanism, 7. Oil cylinder, 8. Lifting mechanism, 9. Upper pulley , 10. Lower pulley, 11. Sliding assembly.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

With reference to Fig. 1, Fig. 2, Fig. 5, the structure of the present utility model is, comprises derrick assembly 1 and swimming assembly 2, and derrick assembly 1 is a steel frame structure, and four columns around derrick assembly 1 are fixed respectively There is a group of slide rails 3, and the sliding components 11 at the four corners of the traveling assembly 2 are correspondingly set in each sliding rail 3, so that the traveling assembly 2 can slide up and down in the derrick assembly 1; The shaft is connected to the base of the oil cylinder 7;

With reference to Fig. 3, Fig. 4, the structure of traveling assembly 2 is, comprises traveling frame 4, is installed with upper pulley 9 and lower pulley 10 respectively at the upper and lower ends of traveling frame 4, on both sides of traveling frame 4 upper and lower ends respectively A sliding assembly 11 is provided, and the sliding assembly 11 is set in the form of a slider or a pulley, and cooperates with the slide rails 3 provided on the four columns of the derrick assembly 1; a steel wire rope 5 is wound between the upper pulley 9 and the lower pulley 10, The movable section of the wire rope 5 is fixedly connected with the hoisting mechanism 8, and after the wire rope 5 bypasses the upper pulley 9 and the lower pulley 10, both ends of the wire rope 5 are connected with the wire rope fixing mechanism 6, and the wire rope fixing mechanism 6 (by means of a pin or welding) is fixed On the derrick assembly 1;

The upper end of the traveling frame 4 is hinged with the lug of the piston rod of the oil cylinder 7 through the pin shaft, and the piston rod of the oil cylinder 7 passes upward through the frame beam inside the traveling frame 4, so that the piston rod of the oil cylinder 7 can be freely expanded and contracted, and at the same time in the vertical direction Become in a straight line with swimming assembly 2 during motion.

The working principle of the present utility model is,

As shown in Figure 1, the initial position of the hoisting mechanism 8 is at the bottom of the derrick assembly 1. When the piston rod of the oil cylinder 7 is extended, the traveling frame 4 moves upwards to drive the traveling assembly 2 upwards. The derrick assembly 1 is fixed, so the steel wire rope 5 can only pull the hoisting mechanism 8 to move up, and play the role of lifting the drill pipe. At this time, the hoisting mechanism 8 moves up to the highest position, as shown in Figure 2.

When oil cylinder 7 piston rod shortens, drive traveling frame 4 to move down and pull traveling assembly 2 to move down, and this moment, wire rope 5 pulls hoisting mechanism 8 to move down again, plays the effect to drilling rod pressurization.

Since the upper pulley 9 and the lower pulley 10 in the traveling assembly 2 are movable pulleys, when the traveling assembly 2 moves up and down a single distance, the upper pulley 9 and the lower pulley 10 act as movable pulleys, and the wire rope 5 drives the hoisting system to move double distance, so the stroke of the lifting mechanism will be twice the stroke of the cylinder.

In the device of the utility model, the hook load is borne by the oil cylinder 7 arranged in the derrick, and the hook load is transmitted to the oil cylinder 7 through the pulley on the traveling frame, and can drive the lifting mechanism such as the top drive to move up and down when sliding up and down in the derrick; at the same time , the traveling frame can achieve twice the distance of the moving unit of the lifting mechanism when the working fluid cylinder telescopic unit is one stroke.

Claims (2)

1. A hydraulic drilling rig derrick with traveling device, characterized in that: it comprises a derrick assembly (1) and a traveling assembly (2), and the traveling assembly (2) is slidingly socketed with the mast assembly (1) ; The lower end of the derrick assembly (1) is connected with the base of the oil cylinder (7) through a pin; The structure of traveling assembly (2) is, comprises traveling frame (4), is equipped with upper pulley (9) and lower pulley (10) respectively at the upper and lower ends of traveling frame (4); Upper pulley (9) and A wire rope (5) is wound between the lower pulleys (10), and the movable section of the wire rope (5) is fixedly connected with the hoisting mechanism (8). After the wire rope (5) walks around the upper pulley (9) and the lower pulley (10), the wire rope (5) both ends are connected with the wire rope fixing mechanism (6), and the wire rope fixing mechanism (6) is fixed on the derrick assembly (1); The upper end of the traveling frame (4) is hinged with the piston rod lug of the oil cylinder (7) through the bearing pin, and the piston rod of the oil cylinder (7) passes upwardly through the frame beam inside the traveling frame (4). 2. The hydraulic drilling rig derrick with swimming device according to claim 1, characterized in that: the derrick assembly (1) is a steel frame structure, and the four columns around the derrick assembly (1) are respectively fixed There is a group of slide rails (3), and sliding components (11) are respectively arranged on both sides of the upper and lower ends of the traveling frame (4). The sliding components (11) are set in the form of sliders or pulleys. The slide rails (3) provided on the four columns of the assembly (1) cooperate.