Heavy vehicle-mounted petroleum drilling winch

Abstract

The utility model discloses a heavy vehicle-mounted petroleum drilling winch which is composed of an automatic bit feeding device, an auxiliary brake, a chain box, an instrument gear box, a winch rack, a roller shaft assembly, a hydraulic disc brake, a rope guider and a rope blocking wheel, oil-electricity hybrid driving is achieved, an engine serves as main power, a variable frequency motor serves as auxiliary power, and the structure is a totally-closed chain transmission single-shaft winch. The main brake is a hydraulic disc brake, the auxiliary brake is an air control push disc brake, the roller shaft is of a composite sealing structure, a torque converter hydraulic pump and a hydraulic station electric pump are connected in parallel to provide liquid source pressure, an instrument gearbox support is provided with a damping device, a chain box is installed on the left rear side of a winch, an automatic drill feeding device is in secondary drive, and the auxiliary brake is in primary drive. The rope arranger and the winch rack are installed in an integral embedded mode, the rope blocking wheel is installed on the rope arranger support, all control is integrated in a driller control room, the heavy truck-mounted drilling rig matching requirement is met, the size and the weight adapt to chassis installation, the functions are complete, and the manufacturing cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum drilling and production mechanical equipment, and particularly relates to a heavy vehicle-mounted petroleum drilling winch. BACKGROUND

[0002] Petroleum drilling machines are various, and are mainly divided into vehicle-mounted drilling machines, skid-mounted drilling machines and ocean drilling machines. The skid-mounted drilling machines and ocean drilling machines have developed towards super-deep wells of more than ten thousand meters, and the technology is becoming mature. For the vehicle-mounted drilling machines, the existing technology is restricted by road transportation and chassis, and the maximum vehicle-mounted drilling machine level is 225 tons. With the demand for increasing drilling depth, in order to adapt to rapid transportation and low-cost investment, a heavy super-deep well vehicle-mounted drilling machine of 315 tons or above needs to be developed. The chassis technology has been successfully developed, and the vehicle frame platform equipment supporting and space restriction removal scheme needs to be broken through. The existing drilling winch cannot meet the requirements of the heavy vehicle-mounted drilling machine. SUMMARY

[0003] The utility model discloses a heavy vehicle-mounted petroleum drilling winch which realizes the supporting of the vehicle-mounted drilling machine.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme that the winch is composed of an automatic drilling device, an auxiliary brake, a chain box, an instrument gear box, a winch frame, a drum shaft assembly, a hydraulic disc brake, a rope discharger and a rope stopper, is driven by oil-electricity hybrid, the engine is the main power, the frequency conversion motor is the auxiliary power, the structure is full-closed chain transmission, the winch is single-shaft, the main brake is the hydraulic disc brake, the auxiliary brake is the air control push disc brake, the chain is lubricated by oil immersion, the anti-collision elbow valve is installed above the drum body, the winch frame top is equipped with the rope discharger and the rope stopper, and all the controls of the winch are integrated in the driller control room.

[0005] The automatic drilling device is driven by the motor and the reduction gearbox, is connected with the chain box by the clutch, the friction hub is installed on the reduction gearbox shaft, is controlled by alternating current frequency conversion, and realizes the automatic drilling and emergency functions.

[0006] The chain box is installed on the left rear side of the winch, the automatic drilling device is two-stage driven, the auxiliary brake is one-stage driven, and the oil tank can self-balance oil supply and oil return.

[0007] The drum shaft assembly is installed with the main drive chain wheel on the right side and the auxiliary drive chain wheel on the left side, the drum shaft is installed with the slotted drum body, the drum body rope groove plate and the baffle are detachable, and the drum shaft and the drum body are internally provided with cooling water channels.

[0008] The hydraulic disc brake is a double water-cooled brake disc, an electronic brake handle, an independent hydraulic station, and a variable torque hydraulic pump is connected with the electric pump of the hydraulic station in parallel to provide liquid source pressure, the auxiliary brake is a push disc type, is air controlled and is water cooled.

[0009] The instrument gear box support is provided with a damping device.

[0010] The winch adopts a composite sealing structure, the chain box sealing adopts a combination of a dynamic disc and a static disc, the chain box adopts a combination of an oil throwing disc, a labyrinth groove and a skeleton oil seal, and the oil grease cavity isolation of the drum shaft bearing adopts a combination of an oil blocking disc, an oil throwing disc and a skeleton oil seal.

[0011] The rope arranging device is a longitudinal and transverse double-track type, presents a certain inclination, the support mounting hole is a long slot, the steel wire rope limiting adopts a double pulley combination, and the whole is embedded and installed, and the rope blocking wheel is a non-metallic piece and is installed on the rope arranging device support.

[0012] The drilling winch meets the matching of a heavy vehicle-mounted drilling machine, the size and weight are suitable for chassis installation, the functions are complete, and the manufacturing cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic view of the winch.

[0014] Figure 2 It is a front view of the winch.

[0015] Figure 3 It is a left view of the winch.

[0016] Figure 4 It is a schematic view of the drum shaft assembly.

[0017] Figure 5 It is a schematic view of the chain box.

[0018] Figure 6 It is a schematic view of the chain box sealing structure.

[0019] Figure 7 It is a schematic view of the chain box sealing structure.

[0020] Figure 8 It is a schematic view of the left bearing sealing structure of the drum shaft.

[0021] Figure 9 It is a schematic view of the right bearing sealing structure of the drum shaft.

[0022] Figure 10 It is a front view of the rope arranging device.

[0023] Figure 11 It is a left view of the rope arranging device.

[0024] Figure 12 It is a top view of the rope arranging device.

[0025] In the diagram: 1. Automatic drilling feed device; 2. Clutch 1; 3. Air guide head; 4. Auxiliary brake; 5. Chain box; 6. Instrument gearbox; 7. Drum shaft assembly; 8. Hydraulic disc brake; 9. Rope guide wheel; 10. Rope arranger; 11. Winch frame; 12. Double guide head; 13. Clutch cover; 14. Auxiliary drive sprocket; 15. Brake disc; 16. Drum body; 17. Drum shaft; 18. Main drive sprocket; 19. Clutch 2; 20. Stationary disc; 21. Moving disc. Detailed Implementation

[0026] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings, such as... Figures 1 to 12 Shown:

[0027] like Figure 1 As shown, the technical solution is that the winch consists of an automatic drilling device 1, an auxiliary brake 4, a chain box 5, an instrument gearbox 6, a winch frame 11, a drum shaft assembly 7, a hydraulic disc brake 8, a rope guide 10, and a rope guide wheel 9. It is a hybrid electric drive system, with the chassis engine as the main power source and a variable frequency motor as the auxiliary power source. The structure is a fully enclosed chain drive, a single-shaft winch, with the main brake being a hydraulic disc brake 8 and the auxiliary brake 4 being a pneumatic brake. The chain is oil-lubricated. An anti-collision elbow valve is installed above the drum body 16. The top of the winch frame 11 is equipped with a rope guide 10 and a rope guide wheel 9. The instrument gearbox 6, the winch frame 11, the drum shaft assembly 7, the hydraulic disc brake 8, the rope guide 10, and the rope guide wheel 9 constitute the main body of the winch, which is the first module. The automatic drilling device 1, the auxiliary brake 4, and the chain box 5 constitute the second module. All controls of the winch are integrated in the driller's control room.

[0028] like Figure 2 As shown, the automatic drilling device 1 is driven by a motor-driven gearbox, which is connected to the chain box 5 by a clutch-2. The friction hub is mounted on the gearbox shaft. The clutch-2 is a radial air tire clutch, which is mounted on the chain box drive shaft and is supplied with air by the air guide 3 at the end of the drive shaft. The automatic drilling device 1 adopts AC frequency conversion control technology to realize automatic drilling and emergency functions.

[0029] like Figure 2 , Figure 3 As shown, the chain box 5 is installed on the left rear side of the winch, the automatic drilling device 1 is a two-stage drive, the auxiliary brake 4 is a first-stage drive, the chain box 5 is oil-immersed for self-lubrication, and the oil tank can self-balance oil supply and return.

[0030] like Figure 4 As shown, the main drive sprocket 18 is installed on the right side of the roller shaft assembly 7, and the auxiliary drive sprocket 14 is installed on the left side. The roller shaft 17 is equipped with a slotted roller body 16. The roller body rope groove plate and the side baffles are of a split structure and are detachable. Cooling water channels are designed inside the roller shaft 17 and the roller body 16.

[0031] The hydraulic disc brake 8 has the functions of working brake, emergency brake, parking brake, power-off and anti-collision winch interlocking brake protection, the work clamp and safety clamp are installed on the clamp frame, the double water-cooled brake disc, electronic brake handle, independent hydraulic station, the torque converter hydraulic pump and the electric pump of the hydraulic station are connected in parallel to provide liquid source pressure, the auxiliary brake 4 is a Danfoss brake, push disc type, air control, water cooling, the auxiliary brake 4 and the hydraulic disc brake 8 share a water tank for cooling water.

[0032] As shown in Figure 2 , the instrument gear box 6 is installed at the left end of the drum shaft 17, three encoder installation interfaces, the bracket is provided with a spring damping device.

[0033] As shown in Figure 7 , Figure 8 , Figure 9 , the winch adopts a composite sealing structure, the chain box sealing adopts a combination of a dynamic disc 21 and a static disc 20, the dynamic disc 21 is installed on the drum shaft 7 assembly, and the static disc 20 is installed on the chain box flange, the chain box 5 adopts a combination of a flinger, a labyrinth groove and a skeleton oil seal, the flinger is welded on the shaft sleeve, the labyrinth groove is processed on the end cover and the skeleton oil seal is installed on the end, the labyrinth groove is provided with an oil collecting groove and an oil return hole, the drum shaft bearing grease cavity isolation adopts a combination of an oil baffle, a flinger and a skeleton oil seal, the oil baffle is installed on the bearing box, the flinger is welded on the shaft sleeve, and the skeleton oil seal is installed on the bearing cover.

[0034] As shown in Figure 10 , Figure 11 , Figure 12 , the rope discharging device 10 is a longitudinal and horizontal double-track type, has a certain inclination according to the fast rope angle, the mounting hole on the bracket is a long slot, the track position can be adjusted according to the stroke, the steel wire rope limiting adopts a double pulley combination, the pulley outer surface is quenched, the rope discharging device 10 is integrally embedded on the winch rack, meets the overall height lower than the lower profile height of the derrick transportation, does not need to be disassembled during moving and transportation, the rope baffle 9 is a non-metal part, has two sets and is located on the left and right sides of the drum body 16 and is installed on the rope discharging device bracket.

[0035] The initial installation steps of the equipment are as follows:

[0036] (1) After the winch main body is hoisted onto the rack, the drum shaft center line is adjusted to be parallel to the derrick, the drum body center line is centered with the well mouth center, then the winch rack 11 is welded on the rack and magnetic powder inspection is performed to meet the qualified requirements.

[0037] (2) The main drive chain and chain box are installed, and then the clutch shield 19 is installed.

[0038] (3) The chain box 5 is centered and aligned with the auxiliary drive sprocket 14, then the bottom plate nut block is welded, and the chain is installed.

[0039] (4) Install the air control pipeline, water cooling pipeline and shield of the auxiliary brake 4.

[0040] (5) Weld the reduction box base nut plate of the automatic drill feeding device 1, and then install the air control pipeline and cable.

[0041] (6) Install the external control pipeline of the hydraulic disc brake 8, the elbow valve control pipeline and the clutch II 19 control pipeline.

[0042] (7) Install the driller control console control system and encoder, wind the drill well large rope on the drum body 16 and add lubricating oil.

Claims

1. A heavy duty truck-mounted oil drilling drawworks characterized by, The automatic drilling device, auxiliary brake, chain box, instrument gear box, winch frame, drum shaft assembly, hydraulic disc brake, rope discharger and rope blocking wheel are driven by oil-electric hybrid power, the engine is the main power, the frequency conversion motor is the auxiliary power, the structure is fully closed chain transmission, the winch is single-shaft, the main brake is hydraulic disc brake, the auxiliary brake is air-controlled push disc brake, the chain is lubricated by oil immersion, the anti-collision elbow valve is installed above the drum body, the rope discharger and rope blocking wheel are arranged on the top of the winch frame, and all controls are integrated in the driller control room. The automatic drilling device is driven by a motor and a reduction box, is connected with the chain box through a clutch, and is installed on the shaft of the reduction box through a friction hub. The chain box is installed on the left rear side of the winch, the automatic drilling device is two-stage driven, the auxiliary brake is one-stage driven, and the oil tank can balance oil supply and oil return. The main driving sprocket is installed on the right side of the drum shaft assembly, the auxiliary driving sprocket is installed on the left side, the drum shaft is provided with a slotted drum body, the rope groove plate and the baffle of the drum body are detachable, and the drum shaft and the drum body are provided with cooling water channels. The hydraulic disc brake is a double-water-cooled brake disc, an electronic brake handle, an independent hydraulic station, a variable torque hydraulic pump and an electric pump of the hydraulic station are connected in parallel to provide liquid source pressure, and the auxiliary brake is a push disc type and is air-controlled and water-cooled. The rope discharger is a longitudinal and transverse double-track type and is inclined at a certain angle, the support mounting hole is a long groove, the steel wire rope limiting is combined by double pulleys, and the whole is embedded and mounted, and the rope blocking wheel is a non-metal part and is installed on the rope discharger support.

2. A heavy-duty truck-mounted oil drilling winch according to claim 1, characterized in that, The winch adopts a composite sealing structure, the chain box sealing adopts a combination of a dynamic disc and a static disc, the chain box adopts a combination of a flinger, a labyrinth groove and a skeleton oil seal, and the drum shaft bearing grease cavity isolation adopts a combination of an oil blocking disc, a flinger and a skeleton oil seal.

3. The heavy-duty truck-mounted oil drilling winch according to claim 1, characterized in that, The instrument gear box support is provided with a damping device.

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