WO2024060016A1 - Motor direct drive drawworks - Google Patents

Motor direct drive drawworks Download PDF

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Publication number
WO2024060016A1
WO2024060016A1 PCT/CN2022/119938 CN2022119938W WO2024060016A1 WO 2024060016 A1 WO2024060016 A1 WO 2024060016A1 CN 2022119938 W CN2022119938 W CN 2022119938W WO 2024060016 A1 WO2024060016 A1 WO 2024060016A1
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WO
WIPO (PCT)
Prior art keywords
variable frequency
winch
frequency motor
motor
drum
Prior art date
Application number
PCT/CN2022/119938
Other languages
French (fr)
Chinese (zh)
Inventor
朱建建
孙士森
李键
赵志成
迟世伟
王丰良
马骁
杨廷
Original Assignee
天津渤海杰瑞石油装备有限公司
烟台杰瑞石油装备技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 天津渤海杰瑞石油装备有限公司, 烟台杰瑞石油装备技术有限公司 filed Critical 天津渤海杰瑞石油装备有限公司
Priority to PCT/CN2022/119938 priority Critical patent/WO2024060016A1/en
Priority to CN202310207300.6A priority patent/CN116281703A/en
Publication of WO2024060016A1 publication Critical patent/WO2024060016A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/12—Driving gear incorporating electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/14—Power transmissions between power sources and drums or barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54—Safety gear
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • This application generally relates to the technical field of workover rig transmission devices, and specifically, discloses a motor direct-drive winch.
  • the winch is one of its essential transmission components.
  • the engine or motor usually transmits power to the winch, and the winch drives the traveling system to lift and lower, thereby completing the pipe string and other Lifting and lowering of work tools.
  • the main purpose of this application is to provide a motor direct-driven winch, which solves the problems of serious noise and exhaust gas pollution in the winch.
  • This application provides a motor direct-drive winch, including:
  • the drum is rotatably installed on the winch frame
  • a disc brake device is connected to one end surface of the drum, and the disc brake device is provided on the winch frame;
  • variable frequency motor is connected to the other end surface of the drum, the variable frequency motor is arranged on the winch frame, and the output shaft of the variable frequency motor is coaxially arranged with the axis of the drum.
  • the drum includes a shaft body and a cylinder sleeved on the peripheral side of the shaft body.
  • the shaft body is rotatably installed on the winch frame.
  • One end of the shaft body It is set in the inner shaft hole of the rotor of the frequency conversion motor, and the shaft body and the frequency conversion motor are connected through a tapered clamping coupling.
  • the disc brake device includes a brake disc, a normally closed safety gear and a normally open safety gear arranged on the winch frame.
  • the disc brake device also includes a brake disc for pushing the brake The first braking member of the normally closed safety gear and the second braking member used to push and brake the normally open safety gear.
  • an emergency power device is also provided on the winch frame.
  • the emergency power device includes: a driving member and a first transmission member connected to the driving member.
  • a second transmission member drivingly connected to the first transmission member is fixed at one end.
  • the first transmission member is a first gear
  • the driving member is used to drive the rotation of the gear
  • the second transmission member is meshed with the first gear.
  • a second gear and the number of teeth of the second gear is greater than the number of teeth of the first gear.
  • a first encoder is installed at the input end of the variable frequency motor, and a second encoder is installed at the output end of the drum.
  • the first encoder is used to obtain the number of rotations of the variable frequency motor, and the second encoder is used to obtain the number of rotations of the drum to monitor the connection reliability of the conical clamping coupling;
  • a controller electrically connected to the first encoder, the second encoder, the disc brake device and the variable frequency motor is also provided on the winch frame.
  • the winch frame is provided with a temperature sensor for monitoring the temperature of the variable frequency motor, and a variable frequency fan is installed next to the variable frequency motor.
  • the temperature sensor and the variable frequency fan are both electrically connected to the controller.
  • the winch frame is also provided with a junction box, the controller is arranged in the junction box, and the frequency conversion motor, the temperature sensor, the frequency conversion fan, The wires of the first encoder and the second encoder are arranged in the junction box through integrated wiring.
  • the winch frame includes a bottom skid, two vertical stands are arranged at intervals on the bottom skid, and the drum is rotated and arranged between the two vertical stands; the bottom skid
  • the bottom of the chassis is detachably connected to the chassis auxiliary beam.
  • a guide rope frame is provided on the opposite side of the two stands.
  • the guide rope frame is located above the drum, and a guide rope is rotated on the guide rope frame. Roller.
  • a motor direct-driven winch includes a winch frame; a drum that is rotated on the winch frame; a disc brake device that is connected to one end surface of the drum, and The disc brake device is arranged on the winch frame; and a variable frequency motor is connected to the other end face of the drum, the variable frequency motor is arranged on the winch frame, and the output shaft of the variable frequency motor is connected to the The axis of the drum is coaxially arranged.
  • a variable frequency motor as the power source effectively avoids the problems of serious noise and waste pollution.
  • the transmission mechanism is simplified, which can achieve lossless transmission of torque and improve transmission. efficiency.
  • Figure 1 shows a front view of a motor direct-drive winch provided by an embodiment of the present application
  • Figure 2 shows a left view of the motor direct-drive winch provided by the embodiment of the present application
  • Figure 3 shows a right view of the motor direct-drive winch provided by the embodiment of the present application
  • FIG4 shows a top view of a motor direct-driven winch provided in an embodiment of the present application
  • Figure 5 shows a schematic diagram (1) of the shaft side of the motor direct-driven winch provided by the embodiment of the present application
  • Figure 6 shows a schematic diagram (2) of the shaft side of the motor direct-driven winch provided by the embodiment of the present application.
  • the terms “include”, “comprises” and “having” and any variations thereof or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus that includes a list of elements includes not only those elements, but also other elements not expressly listed or elements inherent to the process, method, article or equipment.
  • a process, method, system, product, or apparatus that includes a series of steps or units need not be limited to those steps or units that are expressly listed, but may include steps or units that are not expressly listed or that are not specific to the process, method, product, or device. Other steps or units inherent to the equipment.
  • an element defined by the statement “comprises a" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.
  • spatially relative terms can be used here, such as “on", “on", “on the upper surface of", “above”, etc., to describe what is shown in the figure.
  • the exemplary term “over” may include both orientations “above” and “below.”
  • the device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
  • a motor direct-driven winch which includes a winch frame 1, a drum 2, a disc brake device 3 and a variable frequency motor 4, wherein the drum 2 is rotatably arranged on the winch frame. 1; the disc brake device 3 is connected to one end surface of the drum 2, and the disc brake device 3 is arranged on the winch frame 1.
  • the variable frequency motor 4 is connected to the other end surface of the drum 2.
  • the variable frequency motor 4 is arranged on the winch frame 1, and the output shaft of the variable frequency motor 4 is coaxially arranged with the axis of the drum 2.
  • variable frequency motor 4 is used as the power source. Only by controlling the torque direction and speed direction of the variable frequency motor 4 through the frequency conversion control system, the rotation of the drum 2 can be realized to retract and release the wire rope, and drive the swimming system and pipe string. or the lifting, lowering and hovering of work tools, highlighting the convenience of winch control.
  • the combination of the disc brake device 3 can also highlight the fast response speed of the winch brake; in addition, it can also effectively avoid the problems of serious noise and waste pollution, and at the same time
  • the output shaft of the variable frequency motor 4 coaxially with the axis of the drum 2, the transmission mechanism is simplified, lossless transmission of torque can be achieved, and the transmission efficiency is improved.
  • variable frequency motor 4 as the rotational driving force of the drum 2 can solve the problem of serious noise and waste pollution caused by the diesel generator as the power source of the transmission winch, and can also solve the problem of heavy maintenance workload and high maintenance cost of diesel vehicles. Problems such as low working efficiency, and using a diesel engine as the power source will also cause many problems such as long winch transmission system lines and low mechanical transmission efficiency; the belt brake has small braking torque and the brake drum is easy to rupture. However, using a variable frequency motor 4 as the power source Source can solve the above problems.
  • variable frequency motor 4 By arranging the output shaft of the variable frequency motor 4 coaxially with the axis of the drum 2, the variable frequency motor 4 is directly connected to the drum 2, making the overall transmission structure of the winch simple, with high transmission efficiency, small size, light weight, and small space occupation. .
  • the drum 2 includes a shaft body and a cylinder sleeved on the peripheral side of the shaft body.
  • the shaft body is rotatably installed on the winch frame 1.
  • One end of the shaft body is sleeved on the winch frame 1.
  • the shaft body and the variable frequency motor 4 are connected through a tapered clamping coupling 5 .
  • the rotor of the variable frequency motor 4 has an inner shaft hole, and the shaft body of the drum 2 is a through shaft.
  • One end of the shaft body is inserted into the inner shaft hole of the rotor.
  • the rotor of the variable frequency motor 4 and the drum 2 share the same bearing and are connected through a tapered clamping.
  • the shaft device 5 connection can realize automatic alignment of the inner shaft hole of the rotor and the shaft body to ensure coaxiality.
  • the tapered clamping coupling 5 is used for direct connection, which can achieve lossless transmission of torque.
  • the complex transmission mechanism is removed, which can greatly shorten the time between the frequency conversion motor 4 and the drum 2.
  • the connection length size can reduce the overall width of the winch, so that the winch will not exceed the width after being installed on the chassis, ensuring the stability and reliability of the subsequent installation of the winch.
  • variable frequency vector control system of the variable frequency motor 4 allows the variable frequency motor 4 to become a generator and output electric energy when the edge motor rotates passively, thereby realizing potential energy recovery and power generation in the workover rig traveling system and saving operating costs.
  • the disc brake device 3 includes a brake disc 31 provided on the winch frame 1, a normally closed safety gear 32 and a normally open safety gear 33.
  • the disc brake device 3 also includes a A first braking member for pushing and braking the normally closed safety gear 32 and a second braking member for pushing and braking the normally open safety gear 33 .
  • the first brake part and the second brake part may be the same structural component or may be different structural components, and the principle of the first brake part and the second brake part is to use fluid pressure to promote braking. Fluid pressure includes but is not limited to compressed air and hydraulic power.
  • the normally closed safety gear 32 is used for the parking brake of the winch, and the normally open safety gear 33 is used for braking during the winch operation. When the winch needs emergency braking, the normally closed safety gear 32, the normally open safety gear 33 and the variable frequency motor 4 Brake simultaneously.
  • the winch frame 1 is also provided with an emergency power device 6.
  • the emergency power device 6 includes: a driving member 61 and a first transmission member 62 connected to the driving member 61.
  • One end of the drum 2 is fixed with a second transmission member 63 that is drivingly connected to the first transmission member 62 .
  • the driving member 61 drives the rotation of the first transmission member 62, and the first transmission member 62 transmits the rotation force to the drum 2 through the second transmission member 63, so that the drum 2 can keep rotating even when the frequency conversion motor 4 fails. Therefore, when the variable frequency motor 4 cannot work normally due to a power outage or failure of the variable frequency motor 4, the emergency power device 6 is used as a backup power source to ensure the normal rotation of the drum 2.
  • the first transmission member 62 is a first gear
  • the driving member 61 is used to drive the rotation of the gear
  • the second transmission member 63 is a second gear meshing with the first gear
  • the number of teeth of the second gear is greater than the number of teeth of the first gear.
  • the driving member 61 includes but is not limited to an electric motor, a pneumatic motor, a hydraulic motor, etc.
  • the emergency power device 6 meshes the first gear of the emergency power device 6 with the second gear connected to the winch drum 2 through a clutch coupling mechanism.
  • the emergency power device 6 increases the torque through the deceleration of the gear, and drives the drum 2 to achieve emergency lifting of a limited load; thus avoiding power outages or failure of the variable frequency motor 4, etc. serious operating accidents and improve the safety of well workover operations.
  • a first encoder 7 is installed at the input end of the variable frequency motor 4, and a second encoder 8 is installed at the output end of the drum 2.
  • the first encoder 7 The second encoder 8 is used to obtain the number of rotations of the variable frequency motor 4, and the second encoder 8 is used to obtain the number of rotations of the drum 2 to monitor the connection reliability of the conical clamping coupling 5; the winch
  • the frame 1 is also provided with a controller that is electrically connected to the first encoder 7 , the second encoder 8 , the disc brake device 3 and the variable frequency motor 4 .
  • the winch is provided with a first encoder 7 and a second encoder 8.
  • the first encoder 7 is installed at the input end of the variable frequency motor 4, and the second encoder 8 is installed at the output end of the drum 2.
  • the first encoder 7 The signals detected by the first encoder 7 and the second encoder 8 are transmitted to the controller. By detecting the difference in the number of rotations of the first encoder 7 and the second encoder 8 at the same time, the conical clamp between the variable frequency motor 4 and the drum 2 is determined. Is the connection of tight coupling 5 failed?
  • the second encoder 8 provided at the output end of the drum 2 also has the function of detecting the rotation speed of the winch in real time.
  • the controller will immediately and synchronously start the hovering energy consumption braking and disc brake devices of the variable frequency motor 4 3 brakes realize real-time monitoring and emergency control capabilities of winch operations, greatly improving the reliability and safety of winch operations.
  • the winch frame 1 is provided with a temperature sensor for monitoring the temperature of the variable frequency motor 4.
  • a variable frequency fan 9 is also installed next to the variable frequency motor 4.
  • the temperature sensor and the variable frequency fan are 9 are all electrically connected to the controller.
  • the entirety of the variable frequency fan 9 is supported by the volute air outlet connection flange and is installed on the variable frequency motor 4.
  • the air inlet of the variable frequency fan 9 has a sand and dust filtering device.
  • the variable frequency fan 9 is a fan controlled by the variable frequency driver 61. Therefore, the temperature of the variable frequency motor 4 is monitored by detecting the temperature sensor and transmits the temperature signal to the controller.
  • the controller changes the power of the variable frequency fan 9 in real time through the temperature signal.
  • the air inlet and outlet of the variable frequency fan 9 are noise-reducing, which solves the problems in the industry that the winch variable frequency fan 9 has high constant power energy consumption, energy waste, and high noise.
  • the noise reduction treatment of the air inlet and the air outlet of the variable frequency fan 9 includes installing noise reduction parts on the air inlet and the air outlet of the variable frequency fan 9 to achieve the noise reduction effect.
  • the winch frame 1 is also provided with a junction box 10, the controller is arranged in the junction box 10, and the variable frequency motor 4, the temperature sensor, the variable frequency fan 9, the first code
  • the wires of the encoder 7 and the second encoder 8 are all arranged in the junction box 10 through integrated wiring; the junction box 10 is also provided with an emergency stop self-locking button, which is used to control the variable frequency motor 4
  • the emergency stop self-locking button is installed on the junction box 10. If the intelligent control of the variable frequency motor 4 fails, the emergency stop self-locking button switch can be quickly manually pressed to realize the emergency stop operation of the variable frequency motor 4.
  • the variable frequency motor 4 is also equipped with a wind pressure switch and a moisture-proof heating belt.
  • the temperature sensor detects that the temperature of the variable frequency motor 4 is too high, or the wind pressure switch detection device detects poor ventilation, it can immediately provide feedback to the control
  • the controller decelerates or stops the variable frequency motor 4.
  • Moisture-proof heating belt When the external ambient temperature is lower than the allowable operating temperature, or the temperature is too low, frost condenses inside the variable frequency motor 4, or when it is shut down, the power is turned on to heat up the variable frequency motor 4 and insulate it to prevent the variable frequency motor 4 from getting damp and reducing the insulation performance. , affecting equipment safety.
  • the controller can cooperate with each other to protect the service life of the variable frequency motor 4 and at the same time adjust the working environment of the variable frequency motor 4 in a timely manner, greatly improving the safety of the operation.
  • variable frequency motor 4 and the junction box 10 are both explosion-proof products
  • variable frequency fan 9 and the emergency stop self-locking button are explosion-proof products
  • the moisture-proof heating belt is an increased safety product
  • the temperature sensor and air pressure switch are intrinsically safe products.
  • variable frequency motor 4 the variable frequency fan 9
  • the temperature sensor the power cable of the moisture-proof heating belt, the air pressure switch, the emergency stop self-locking button component, the loop cable of the temperature sensor temperature measuring resistor, the first encoder 7 and the second encoder
  • the sensor cables and other wires of the device 8 are all integrated in the junction box 10, which realizes the full explosion-proof effect of the winch cable terminal and greatly improves the electrical safety of the whole machine.
  • the winch frame 1 includes a bottom skid 11, two vertical frames 12 are arranged at intervals on the bottom skid 11, and the drum 2 is rotatably arranged between the two vertical frames 12;
  • the bottom of the bottom skid 11 is detachably connected to a chassis auxiliary beam 13.
  • the stand 12 is welded to the bottom skid 11.
  • the bottom skid 11 and the chassis auxiliary beam 13 can be detachably connected using bolts or pins, and are used on the bottom skid 11 on the back panel side of the winch.
  • Welding nuts or tapping methods are used to install the bolt group through the countertop of the chassis auxiliary beam 13; the drum 2 is installed on the stands on both sides of the winch frame 1 through connecting parts such as roller bearings, bushings, and bolt groups. 12 on.
  • the winch frame 1 also includes a disc brake shield and an oil baffle plate, which are bolted to the winch frame 1.
  • the disc brake shield has a mesh observation hole and two push-pull maintenance windows on the side.
  • the disc brake shield is used to observe the working status of the disc brake device 3 and to timely inspect and repair the normally open working clamp and the normally closed safety clamp 32.
  • the various mechanism components of the winch are integrated and installed on the winch frame 1, and the winch is a separate skid; the problem of limited fixed installation space for the winch and inconvenient disassembly and maintenance is solved, and the various skid components of the workover rig are tightly connected, and the winch can be quickly installed and disassembled, which improves the compactness and modularity of the overall layout.
  • a rope guide 14 is provided on opposite sides of the two stands 12.
  • the rope guide 14 is located above the drum 2, and a rope guide roller is rotated on the rope guide 14.
  • the winch frame 1 is also provided with a rope guide guard.
  • the rope guide guard and the winch frame 1 are connected by bolts.
  • the rope guide 14 is installed on the rope guide guard.
  • Rope guides are installed on both sides of the axis of the drum 2. When the wire rope is close to the edge of the drum 2, the rope guide roller 15 on the rope guide frame 14 changes the transverse rope exit direction of the wire rope to prevent ineffective friction between the wire rope and the drum 2.
  • the winch frame 1 is also provided with an over-rolling anti-collision device 16.
  • the over-rolling anti-collision device 16 is used to detect whether the drum 2 is over-wound with the wire rope, thereby preventing the swimming system from hitting the derrick. The crane caused serious accidents.
  • the inside of the top of the winch frame 1 contains a slide rail wheel groove, and the overroll anti-collision device 16 is installed in the slide rail wheel groove.
  • the low base frequency and high torque AC variable frequency motor 4 is used as the power source to directly drive the drum 2 to rotate through the conical clamping coupling 5.
  • the electric frequency changed by the frequency converter of the workover rig is sent to the variable frequency motor 4 to change the rotation speed of the variable frequency motor 4, thereby effectively controlling the lifting speed.
  • the gravity of the traveling system, pipe string or working tools drives the drum 2 to release the wire rope on the drum 2 to complete the lifting of the traveling system, pipe string or working tools.
  • the controller controls the hovering energy consumption braking of the variable frequency motor 4 and the braking of the disc brake device 3 to effectively control the lowering speed and load hovering.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The present application relates to the technical field of workover rig transmission devices, and specifically discloses a motor direct drive drawworks. The motor direct drive drawworks comprises a drawworks frame, a roller, a disc brake device and a variable-frequency motor; the roller is rotatably arranged on the drawworks frame; the disc brake device is connected to one end surface of the roller, and the disc brake device is arranged on the drawworks frame; the variable-frequency motor is connected to the other end surface of the roller, the variable-frequency motor is arranged on the drawworks frame, and an output shaft of the variable-frequency motor and the axis of the roller are coaxially arranged. The variable-frequency motor is used as a power source, thereby effectively avoiding the problems of serious noise and waste pollution; moreover, the output shaft of the variable-frequency motor and the axis of the roller are coaxially arranged, such that the transmission mechanism is simplified, lossless torque transmission can be implemented, and the transmission efficiency is improved.

Description

电机直驱绞车Motor direct drive winch 技术领域Technical field
本申请总体来说涉及修井机传动装置技术领域，具体而言，公开了一种电机直驱绞车。This application generally relates to the technical field of workover rig transmission devices, and specifically, discloses a motor direct-drive winch.
背景技术Background technique
针对石油或天然气开采行业的车装修井机，绞车是其必不可少的传动机构部件之一，通常是由发动机或电机将动力传递至绞车，绞车带动游动***升降，从而完成管柱及其他作业工具的提升和下放。For vehicle drilling rigs in the oil or natural gas extraction industry, the winch is one of its essential transmission components. The engine or motor usually transmits power to the winch, and the winch drives the traveling system to lift and lower, thereby completing the pipe string and other Lifting and lowering of work tools.
目前绞车大多数是以柴油发动机作为动力源，依次通过变速箱、传动轴、并车箱、角箱、链条箱等传动部件将动力传递至绞车，然而这种修井机存在严重的噪音及废气污染，柴油机维修保养工作量大、维护维修费用高、工作效率低。At present, most winches use diesel engines as the power source, and the power is transmitted to the winch through transmission components such as gearboxes, drive shafts, parallel boxes, corner boxes, and chain boxes. However, this type of workover rig produces serious noise and exhaust gas pollution. , Diesel engine maintenance workload is heavy, maintenance and repair costs are high, and work efficiency is low.
发明内容Contents of the invention
本申请的主要目的在于提供一种电机直驱绞车，解决了绞车存在严重的噪音和废气污染的问题。The main purpose of this application is to provide a motor direct-driven winch, which solves the problems of serious noise and exhaust gas pollution in the winch.
为实现上述发明目的，本申请采用如下技术方案：In order to achieve the above-mentioned object of the invention, this application adopts the following technical solutions:
本申请提供了一种电机直驱绞车，包括：This application provides a motor direct-drive winch, including:
绞车架；winch frame;
滚筒，转动设置于所述绞车架上；The drum is rotatably installed on the winch frame;
盘刹装置，连接于所述滚筒的一端面，且所述盘刹装置设置于所述绞车架上；以及A disc brake device is connected to one end surface of the drum, and the disc brake device is provided on the winch frame; and
变频电机，连接于所述滚筒的另一端面，所述变频电机设置于所述绞车架上，且所述变频电机的输出轴与所述滚筒的轴线同轴设置。A variable frequency motor is connected to the other end surface of the drum, the variable frequency motor is arranged on the winch frame, and the output shaft of the variable frequency motor is coaxially arranged with the axis of the drum.
本申请的一种可选方案中，所述滚筒包括轴体以及套设于所述轴体外周侧的筒体，所述轴体转动设置于所述绞车架上，所述轴体的一端套装于所述变频电机的转子内轴孔中，所述轴体与所述变频电机通过锥形夹紧联轴器相连接。In an optional solution of the present application, the drum includes a shaft body and a cylinder sleeved on the peripheral side of the shaft body. The shaft body is rotatably installed on the winch frame. One end of the shaft body It is set in the inner shaft hole of the rotor of the frequency conversion motor, and the shaft body and the frequency conversion motor are connected through a tapered clamping coupling.
本申请的一种可选方案中，所述盘刹装置包括设置于所述绞车架上的刹车盘、常闭安全钳和常开安全钳，所述盘刹装置还包括用于推动制动所述常闭安全钳的第一制动件以及用于推动制动所述常开安全钳的第二制动件。In an optional solution of the present application, the disc brake device includes a brake disc, a normally closed safety gear and a normally open safety gear arranged on the winch frame. The disc brake device also includes a brake disc for pushing the brake The first braking member of the normally closed safety gear and the second braking member used to push and brake the normally open safety gear.
本申请的一种可选方案中，所述绞车架上还设置有应急动力装置，所述应急动力装置包括：驱动件以及与所述驱动件相连接的第一传动件，所述滚筒的一端固定有与所述第一传动件传动连接的第二传动件。In an optional solution of the present application, an emergency power device is also provided on the winch frame. The emergency power device includes: a driving member and a first transmission member connected to the driving member. A second transmission member drivingly connected to the first transmission member is fixed at one end.
本申请的一种可选方案中，所述第一传动件为第一齿轮，所述驱动件用于驱动所述齿轮的转动，所述第二传动件为与所述第一齿轮相啮合的第二齿轮，且所述第二齿轮的齿数多于所述第一齿轮的齿数。In an optional solution of the present application, the first transmission member is a first gear, the driving member is used to drive the rotation of the gear, and the second transmission member is meshed with the first gear. a second gear, and the number of teeth of the second gear is greater than the number of teeth of the first gear.
本申请的一种可选方案中，所述变频电机的输入端安装有第一编码器，所述滚筒的输出端安装有第二编码器，所述第一编码器用于获取所述变频电机的旋转次数，所述第二编码器用于获取所述滚筒的旋转次数以监测所述锥形夹紧联轴器的连接可靠性；所述绞车架上还设置有与所述第一编码器、所述第二编码器、所述盘刹装置以及所述变频电机均电性连接的控制器。In an optional scheme of the present application, a first encoder is installed at the input end of the variable frequency motor, and a second encoder is installed at the output end of the drum. The first encoder is used to obtain the number of rotations of the variable frequency motor, and the second encoder is used to obtain the number of rotations of the drum to monitor the connection reliability of the conical clamping coupling; a controller electrically connected to the first encoder, the second encoder, the disc brake device and the variable frequency motor is also provided on the winch frame.
本申请的一种可选方案中，所述绞车架上设置有用于监控所述变频电机温度的温度传感器，所述变频电机旁还安装有变频风机，所述温度传感器以及所述变频风机均与所述控制器电性连接。In an optional solution of the present application, the winch frame is provided with a temperature sensor for monitoring the temperature of the variable frequency motor, and a variable frequency fan is installed next to the variable frequency motor. The temperature sensor and the variable frequency fan are both electrically connected to the controller.
本申请的一种可选方案中，所述绞车架上还设置有接线盒，所述控制器设置于所述接线盒内，且所述变频电机、所述温度传感器、所述变频风机、所述第一编码器以及所述第二编码器的电线均通过集成接线方式设置于所述接线盒内。In an optional solution of the present application, the winch frame is also provided with a junction box, the controller is arranged in the junction box, and the frequency conversion motor, the temperature sensor, the frequency conversion fan, The wires of the first encoder and the second encoder are arranged in the junction box through integrated wiring.
本申请的一种可选方案中，所述绞车架包括底撬，所述底撬上间隔布置有两个立架，所述滚筒转动设置于两所述立架之间；所述底撬的底部可拆卸连接有底盘车辅梁。In an optional solution of the present application, the winch frame includes a bottom skid, two vertical stands are arranged at intervals on the bottom skid, and the drum is rotated and arranged between the two vertical stands; the bottom skid The bottom of the chassis is detachably connected to the chassis auxiliary beam.
本申请的一种可选方案中，两所述立架相对设置的一侧均设置有导绳架，所述导绳架位于所述滚筒的上方，所述导绳架上转动设置有导绳辊。In an optional solution of the present application, a guide rope frame is provided on the opposite side of the two stands. The guide rope frame is located above the drum, and a guide rope is rotated on the guide rope frame. Roller.
根据本申请实施例提供的一种电机直驱绞车，电机直驱绞车包括绞车架；滚筒，转动设置于所述绞车架上；盘刹装置，连接于所述滚筒的一端面，且所述盘刹装置设置于所述绞车架上；以及变频电机，连接于所述滚筒的另一端面，所述变频电机设置于所述绞车架上，且所述变频电机的输出轴与所述滚筒的轴线同轴设置。采用以变频电机作为动力源，有效避免了噪音严重以及废弃污染的问题，同时通过将变频电机的输出轴与滚筒的轴线同轴设置，简化了传动机构，能够实现力矩的无损耗传递，提高传动效率。According to an embodiment of the present application, a motor direct-driven winch is provided. The motor direct-driven winch includes a winch frame; a drum that is rotated on the winch frame; a disc brake device that is connected to one end surface of the drum, and The disc brake device is arranged on the winch frame; and a variable frequency motor is connected to the other end face of the drum, the variable frequency motor is arranged on the winch frame, and the output shaft of the variable frequency motor is connected to the The axis of the drum is coaxially arranged. Using a variable frequency motor as the power source effectively avoids the problems of serious noise and waste pollution. At the same time, by setting the output shaft of the variable frequency motor coaxially with the axis of the drum, the transmission mechanism is simplified, which can achieve lossless transmission of torque and improve transmission. efficiency.
附图说明Description of drawings
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明的实 施例，并与说明书一起用于解释本发明的原理。The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description serve to explain the principles of the invention.
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，对于本领域普通技术人员而言，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those of ordinary skill in the art, It is said that other drawings can also be obtained based on these drawings without exerting creative work.
图1示出了本申请实施例提供的电机直驱绞车的主视图；Figure 1 shows a front view of a motor direct-drive winch provided by an embodiment of the present application;
图2示出了本申请实施例提供的电机直驱绞车的左视图；Figure 2 shows a left view of the motor direct-drive winch provided by the embodiment of the present application;
图3示出了本申请实施例提供的电机直驱绞车的右视图；Figure 3 shows a right view of the motor direct-drive winch provided by the embodiment of the present application;
图4示出了本申请实施例提供的电机直驱绞车的俯视图；FIG4 shows a top view of a motor direct-driven winch provided in an embodiment of the present application;
图5示出了本申请实施例提供的电机直驱绞车的轴侧示意图(一)；Figure 5 shows a schematic diagram (1) of the shaft side of the motor direct-driven winch provided by the embodiment of the present application;
图6示出了本申请实施例提供的电机直驱绞车的轴侧示意图(二)。Figure 6 shows a schematic diagram (2) of the shaft side of the motor direct-driven winch provided by the embodiment of the present application.
其中，附图标记说明如下：Among them, the reference symbols are explained as follows:
1、绞车架；2、滚筒；3、盘刹装置；31、刹车盘；32、常闭安全钳；33、常开安全钳；4、变频电机；5、锥形夹紧联轴器；6、应急动力装置；61、驱动件；62、第一传动件；63、第二传动件；7、第一编码器；8、第二编码器；9、变频风机；10、接线盒；11、底撬；12、立架；13、底盘车辅梁；14、导绳架；15、导绳辊；16、过卷防碰装置。1. Winch frame; 2. Drum; 3. Disc brake device; 31. Brake disc; 32. Normally closed safety gear; 33. Normally open safety gear; 4. Frequency conversion motor; 5. Tapered clamping coupling; 6. Emergency power device; 61. Driving part; 62. First transmission part; 63. Second transmission part; 7. First encoder; 8. Second encoder; 9. Frequency conversion fan; 10. Junction box; 11 , Bottom skid; 12. Stand; 13. Chassis vehicle auxiliary beam; 14. Guide rope frame; 15. Guide rope roller; 16. Over-roll anti-collision device.
具体实施方式Detailed ways
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本申请保护的范围。In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments These are part of the embodiments of this application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.
需要说明的是，本申请的说明书和权利要求书及上述附图中，诸如“第一”和“第二”等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施方式例如能够以除了在这里图示或描述的那些以外的顺序实施。It should be noted that in the description and claims of this application and the above-mentioned drawings, relational terms such as “first” and “second” are only used to distinguish one entity or operation from another entity or operation. without necessarily requiring or implying any such actual relationship or specific order or sequence between these entities or operations. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein, for example, can be practiced in sequences other than those illustrated or described herein.
而且，术语“包括”、“包含”和“具有”以及他们的任何变形或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或 者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。例如，包含了一系列步骤或单元的过程、方法、***、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。Furthermore, the terms "include", "comprises" and "having" and any variations thereof or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus that includes a list of elements includes not only those elements, but also other elements not expressly listed or elements inherent to the process, method, article or equipment. For example, a process, method, system, product, or apparatus that includes a series of steps or units need not be limited to those steps or units that are expressly listed, but may include steps or units that are not expressly listed or that are not specific to the process, method, product, or device. Other steps or units inherent to the equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.
为了便于描述，在这里可以使用空间相对术语，如“在……之上”、“在……上方”、“在……上表面”、“上面的”等，用来描述如在图中所示的一个器件或特征与其他器件或特征的空间位置关系。应当理解的是，空间相对术语旨在包含除了器件在图中所描述的方位之外的在使用或操作中的不同方位。例如，如果附图中的器件被倒置，则描述为“在其他器件或构造上方”或“在其他器件或构造之上”的器件之后将被定位为“在其他器件或构造下方”或“在其他器件或构造之下”。因而，示例性术语“在……上方”可以包括“在……上方”和“在……下方”两种方位。该器件也可以其他不同方式定位(旋转90度或处于其他方位)，并且对这里所使用的空间相对描述作出相应解释。For the convenience of description, spatially relative terms can be used here, such as "on...", "on...", "on the upper surface of...", "above", etc., to describe what is shown in the figure. The spatial relationship between one device or feature and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a feature in the figure is turned upside down, then one feature described as "above" or "on top of" other features or features would then be oriented "below" or "below" the other features or features. under other devices or structures". Thus, the exemplary term "over" may include both orientations "above" and "below." The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
参照图1-图4，本申请实施例公开了一种电机直驱绞车，包括绞车架1、滚筒2、盘刹装置3以及变频电机4，其中，滚筒2转动设置于所述绞车架1上；盘刹装置3连接于所述滚筒2的一端面，且所述盘刹装置3设置于所述绞车架1上。变频电机4连接于所述滚筒2的另一端面，所述变频电机4设置于所述绞车架1上，且所述变频电机4的输出轴与所述滚筒2的轴线同轴设置。Referring to Figures 1-4, the embodiment of the present application discloses a motor direct-driven winch, which includes a winch frame 1, a drum 2, a disc brake device 3 and a variable frequency motor 4, wherein the drum 2 is rotatably arranged on the winch frame. 1; the disc brake device 3 is connected to one end surface of the drum 2, and the disc brake device 3 is arranged on the winch frame 1. The variable frequency motor 4 is connected to the other end surface of the drum 2. The variable frequency motor 4 is arranged on the winch frame 1, and the output shaft of the variable frequency motor 4 is coaxially arranged with the axis of the drum 2.
在本申请中，采用以变频电机4作为动力源，仅通过变频控制***，控制变频电机4的扭矩方向和速度方向，就能够实现滚筒2的旋转收、放钢丝绳，带动游动***、管柱或作业工具的提升、下放以及悬停，突出绞车操控的便捷性，通过盘刹装置3相结合，还可突出绞车刹车响应速度快；此外还可以有效避免了噪音严重以及废弃污染的问题，同时通过将变频电机4的输出轴与滚筒2的轴线同轴设置，简化了传动机构，能够实现力矩的无损耗传递，提高传动效率。In this application, the variable frequency motor 4 is used as the power source. Only by controlling the torque direction and speed direction of the variable frequency motor 4 through the frequency conversion control system, the rotation of the drum 2 can be realized to retract and release the wire rope, and drive the swimming system and pipe string. or the lifting, lowering and hovering of work tools, highlighting the convenience of winch control. The combination of the disc brake device 3 can also highlight the fast response speed of the winch brake; in addition, it can also effectively avoid the problems of serious noise and waste pollution, and at the same time By arranging the output shaft of the variable frequency motor 4 coaxially with the axis of the drum 2, the transmission mechanism is simplified, lossless transmission of torque can be achieved, and the transmission efficiency is improved.
采用变频电机4作为滚筒2的转动驱动力，可以解决传动绞车以柴油发电机作为动力源产生的噪音严重以及废弃污染的问题，并且还可以解决柴油车维修保养工作量大、维护维修费用高、工作效率低等的问题，并且采用柴油发动机作为动力源 还会存在绞车传动***线路长，机械传动效率低；带式刹车刹车力矩小、刹车鼓容易破裂等诸多问题，而采用变频电机4作为动力源就可以解决上述的问题。Using the variable frequency motor 4 as the rotational driving force of the drum 2 can solve the problem of serious noise and waste pollution caused by the diesel generator as the power source of the transmission winch, and can also solve the problem of heavy maintenance workload and high maintenance cost of diesel vehicles. Problems such as low working efficiency, and using a diesel engine as the power source will also cause many problems such as long winch transmission system lines and low mechanical transmission efficiency; the belt brake has small braking torque and the brake drum is easy to rupture. However, using a variable frequency motor 4 as the power source Source can solve the above problems.
此外，通过将变频电机4的输出轴与滚筒2的轴线同轴设置，实现变频电机4直接与滚筒2相连接，使得绞车整体传动结构简单、传递效率高、体积小、重量轻、占用空间小。In addition, by arranging the output shaft of the variable frequency motor 4 coaxially with the axis of the drum 2, the variable frequency motor 4 is directly connected to the drum 2, making the overall transmission structure of the winch simple, with high transmission efficiency, small size, light weight, and small space occupation. .
参照图1-图4，所述滚筒2包括轴体以及套设于所述轴体外周侧的筒体，所述轴体转动设置于所述绞车架1上，所述轴体的一端套装于所述变频电机4的转子内轴孔中，所述轴体与所述变频电机4通过锥形夹紧联轴器5相连接。变频电机4的转子为内轴孔，滚筒2的轴体为贯通轴，将轴体的一端套装到转子内轴孔中，变频电机4转子与滚筒2共用同一轴承，并通过锥形夹紧联轴器5连接能够实现转子内轴孔与轴体的自动对中，确保同轴度。并且采用锥形夹紧联轴器5直接连接，能够实现力矩的无损耗传递，相比于现有的绞车，移除了复杂的传动机构，可以极大的缩短了变频电机4和滚筒2的连接长度尺寸，进而实现绞车的总体宽度减小，使得绞车在安装到底盘车后不会发生宽度超出的情况，保障绞车后续安装的稳定性以及可靠性。Referring to Figures 1-4, the drum 2 includes a shaft body and a cylinder sleeved on the peripheral side of the shaft body. The shaft body is rotatably installed on the winch frame 1. One end of the shaft body is sleeved on the winch frame 1. In the inner shaft hole of the rotor of the variable frequency motor 4 , the shaft body and the variable frequency motor 4 are connected through a tapered clamping coupling 5 . The rotor of the variable frequency motor 4 has an inner shaft hole, and the shaft body of the drum 2 is a through shaft. One end of the shaft body is inserted into the inner shaft hole of the rotor. The rotor of the variable frequency motor 4 and the drum 2 share the same bearing and are connected through a tapered clamping. The shaft device 5 connection can realize automatic alignment of the inner shaft hole of the rotor and the shaft body to ensure coaxiality. Moreover, the tapered clamping coupling 5 is used for direct connection, which can achieve lossless transmission of torque. Compared with the existing winch, the complex transmission mechanism is removed, which can greatly shorten the time between the frequency conversion motor 4 and the drum 2. The connection length size can reduce the overall width of the winch, so that the winch will not exceed the width after being installed on the chassis, ensuring the stability and reliability of the subsequent installation of the winch.
在实际使用过程中，绞车在进行下放时，游吊***的重力势能通过钢丝绳拖动滚筒2转动，驱使变频电机4的输出轴进行被动转动。由变频电机4的变频矢量控制***，使得边皮电机被动旋转时，变频电机4变成发电机并对外输出电能，从而实现修井机游吊***势能回收发电，节省作业成本。In actual use, when the winch is being lowered, the gravitational potential energy of the hanging system drags the drum 2 to rotate through the wire rope, driving the output shaft of the variable frequency motor 4 to passively rotate. The variable frequency vector control system of the variable frequency motor 4 allows the variable frequency motor 4 to become a generator and output electric energy when the edge motor rotates passively, thereby realizing potential energy recovery and power generation in the workover rig traveling system and saving operating costs.
参照图2和图4，所述盘刹装置3包括设置于所述绞车架1上的刹车盘31、常闭安全钳32和常开安全钳33，所述盘刹装置3还包括用于推动制动所述常闭安全钳32的第一制动件以及用于推动制动所述常开安全钳33的第二制动件。其中，第一制动件和第二制动件可以为相同的结构组件也可以为不同的结构组件，并且第一制动件和第二制动件的原理均为采用流体压力推动制动，流体压力包括但不限于压缩空气、液压动力。常闭安全钳32用于绞车的驻车刹车，常开安全钳33用于绞车作业过程中的刹车，而在绞车需要紧急刹车时，常闭安全钳32、常开安全钳33和变频电机4同时制动。Referring to Figures 2 and 4, the disc brake device 3 includes a brake disc 31 provided on the winch frame 1, a normally closed safety gear 32 and a normally open safety gear 33. The disc brake device 3 also includes a A first braking member for pushing and braking the normally closed safety gear 32 and a second braking member for pushing and braking the normally open safety gear 33 . Wherein, the first brake part and the second brake part may be the same structural component or may be different structural components, and the principle of the first brake part and the second brake part is to use fluid pressure to promote braking. Fluid pressure includes but is not limited to compressed air and hydraulic power. The normally closed safety gear 32 is used for the parking brake of the winch, and the normally open safety gear 33 is used for braking during the winch operation. When the winch needs emergency braking, the normally closed safety gear 32, the normally open safety gear 33 and the variable frequency motor 4 Brake simultaneously.
参照图1-图6，所述绞车架1上还设置有应急动力装置6，所述应急动力装置6包括：驱动件61以及与所述驱动件61相连接的第一传动件62，所述滚筒2的一端 固定有与所述第一传动件62传动连接的第二传动件63。驱动件61驱动第一传动件62的转动，第一传动件62通过第二传动件63将转动力传递给滚筒2，从而实现滚筒2在变频电机4失效的时候也可以保持转动。故当因停电或变频电机4失效等原因，变频电机4无法正常工作时，通过应急动力装置6作为备用动力源，以保障滚筒2的正常转动工作。Referring to Figures 1-6, the winch frame 1 is also provided with an emergency power device 6. The emergency power device 6 includes: a driving member 61 and a first transmission member 62 connected to the driving member 61. One end of the drum 2 is fixed with a second transmission member 63 that is drivingly connected to the first transmission member 62 . The driving member 61 drives the rotation of the first transmission member 62, and the first transmission member 62 transmits the rotation force to the drum 2 through the second transmission member 63, so that the drum 2 can keep rotating even when the frequency conversion motor 4 fails. Therefore, when the variable frequency motor 4 cannot work normally due to a power outage or failure of the variable frequency motor 4, the emergency power device 6 is used as a backup power source to ensure the normal rotation of the drum 2.
具体地，所述第一传动件62为第一齿轮，所述驱动件61用于驱动所述齿轮的转动，所述第二传动件63为与所述第一齿轮相啮合的第二齿轮，且所述第二齿轮的齿数多于所述第一齿轮的齿数。其中驱动件61包括但不限于电机、气动马达、液压马达等，应急动力装置6通过离合挂合机构，将应急动力装置6的第一齿轮与绞车滚筒2相连接的第二齿轮进行啮合。通过将第二齿轮的齿数多于第一齿轮的齿数设置，使得应急动力装置6通过齿轮的减速增扭，驱动滚筒2实现有限载荷的应急提升；避免了因停电或变频电机4失效等原因造成严重作业事故，提高修井作业安全性。Specifically, the first transmission member 62 is a first gear, the driving member 61 is used to drive the rotation of the gear, and the second transmission member 63 is a second gear meshing with the first gear, And the number of teeth of the second gear is greater than the number of teeth of the first gear. The driving member 61 includes but is not limited to an electric motor, a pneumatic motor, a hydraulic motor, etc., and the emergency power device 6 meshes the first gear of the emergency power device 6 with the second gear connected to the winch drum 2 through a clutch coupling mechanism. By setting the number of teeth of the second gear to be greater than the number of teeth of the first gear, the emergency power device 6 increases the torque through the deceleration of the gear, and drives the drum 2 to achieve emergency lifting of a limited load; thus avoiding power outages or failure of the variable frequency motor 4, etc. serious operating accidents and improve the safety of well workover operations.
参照图1-图6，在本申请中，所述变频电机4的输入端安装有第一编码器7，所述滚筒2的输出端安装有第二编码器8，所述第一编码器7用于获取所述变频电机4的旋转次数，所述第二编码器8用于获取所述滚筒2的旋转次数以监测所述锥形夹紧联轴器5的连接可靠性；所述绞车架1上还设置有与所述第一编码器7、所述第二编码器8、所述盘刹装置3以及所述变频电机4均电性连接的控制器。Referring to Figures 1-6, in this application, a first encoder 7 is installed at the input end of the variable frequency motor 4, and a second encoder 8 is installed at the output end of the drum 2. The first encoder 7 The second encoder 8 is used to obtain the number of rotations of the variable frequency motor 4, and the second encoder 8 is used to obtain the number of rotations of the drum 2 to monitor the connection reliability of the conical clamping coupling 5; the winch The frame 1 is also provided with a controller that is electrically connected to the first encoder 7 , the second encoder 8 , the disc brake device 3 and the variable frequency motor 4 .
绞车上设置有第一编码器7和第二编码器8，其中，第一编码器7安装在变频电机4的输入端，第二编码器8安装在滚筒2的输出端，第一编码器7和第二编码器8检测的信号均传递给控制器，通过检测第一编码器7和第二编码器8在同一时间内旋转次数的差异，判断变频电机4和滚筒2之间的锥形夹紧联轴器5的连接是否失效。此外，设置于滚筒2输出端的第二编码器8，还具备实时检测绞车转速的功能。若第一编码器7和第二编码器8相对旋转次数有差异，或者检测的绞车转速超过绞车设置的最大转速，控制器会立即同步启动变频电机4的悬停能耗制动和盘刹装置3的刹车制动，实现了绞车作业实时监控及应急控制能力，大大提高绞车工作的可靠性、安全性。The winch is provided with a first encoder 7 and a second encoder 8. The first encoder 7 is installed at the input end of the variable frequency motor 4, and the second encoder 8 is installed at the output end of the drum 2. The first encoder 7 The signals detected by the first encoder 7 and the second encoder 8 are transmitted to the controller. By detecting the difference in the number of rotations of the first encoder 7 and the second encoder 8 at the same time, the conical clamp between the variable frequency motor 4 and the drum 2 is determined. Is the connection of tight coupling 5 failed? In addition, the second encoder 8 provided at the output end of the drum 2 also has the function of detecting the rotation speed of the winch in real time. If there is a difference in the number of relative rotations of the first encoder 7 and the second encoder 8, or the detected winch speed exceeds the maximum speed set by the winch, the controller will immediately and synchronously start the hovering energy consumption braking and disc brake devices of the variable frequency motor 4 3 brakes realize real-time monitoring and emergency control capabilities of winch operations, greatly improving the reliability and safety of winch operations.
参照图1-图6，所述绞车架1上设置有用于监控所述变频电机4温度的温度传感器，所述变频电机4旁还安装有变频风机9，所述温度传感器以及所述变频风机9均 与所述控制器电性连接。其中变频风机9的整体靠蜗壳出风口连接法兰支撑并安装在变频电机4上，变频风机9的进风口有沙尘过滤装置。此外，变频风机9为通过变频驱动件61控制的风机，因此，通过检测温度传感器监控变频电机4的温度，并将温度信号传递给控制器，控制器通过温度信号实时改变变频风机9的功率。Referring to Figures 1-6, the winch frame 1 is provided with a temperature sensor for monitoring the temperature of the variable frequency motor 4. A variable frequency fan 9 is also installed next to the variable frequency motor 4. The temperature sensor and the variable frequency fan are 9 are all electrically connected to the controller. The entirety of the variable frequency fan 9 is supported by the volute air outlet connection flange and is installed on the variable frequency motor 4. The air inlet of the variable frequency fan 9 has a sand and dust filtering device. In addition, the variable frequency fan 9 is a fan controlled by the variable frequency driver 61. Therefore, the temperature of the variable frequency motor 4 is monitored by detecting the temperature sensor and transmits the temperature signal to the controller. The controller changes the power of the variable frequency fan 9 in real time through the temperature signal.
可选地，变频风机9的进风口与出风口采用降噪处理，解决了行业内绞车变频风机9因恒功率能耗高、能源浪费、噪音大的问题。需要说明的是，变频风机9的进风口和出风口的降噪处理包括在变频风机9的进风口和出风口设置降噪件，以实现降噪的效果。此外，还可以直接选用已经整体进行降噪处理的成品的变频风机9。Optionally, the air inlet and outlet of the variable frequency fan 9 are noise-reducing, which solves the problems in the industry that the winch variable frequency fan 9 has high constant power energy consumption, energy waste, and high noise. It should be noted that the noise reduction treatment of the air inlet and the air outlet of the variable frequency fan 9 includes installing noise reduction parts on the air inlet and the air outlet of the variable frequency fan 9 to achieve the noise reduction effect. In addition, you can also directly choose the finished variable frequency fan 9 that has been completely processed for noise reduction.
所述绞车架1上还设置有接线盒10，所述控制器设置于所述接线盒10内，且所述变频电机4、所述温度传感器、所述变频风机9、所述第一编码器7以及所述第二编码器8的电线均通过集成接线方式设置于所述接线盒10内；接线盒10上还设置有急停自锁按钮，急停自锁按钮用于控制变频电机4的急停操作，急停自锁按钮安装在接线盒10上，若变频电机4的智能控制失效时，可以快速人工按下急停自锁按钮开关实现变频电机4的急停操作。The winch frame 1 is also provided with a junction box 10, the controller is arranged in the junction box 10, and the variable frequency motor 4, the temperature sensor, the variable frequency fan 9, the first code The wires of the encoder 7 and the second encoder 8 are all arranged in the junction box 10 through integrated wiring; the junction box 10 is also provided with an emergency stop self-locking button, which is used to control the variable frequency motor 4 For emergency stop operation, the emergency stop self-locking button is installed on the junction box 10. If the intelligent control of the variable frequency motor 4 fails, the emergency stop self-locking button switch can be quickly manually pressed to realize the emergency stop operation of the variable frequency motor 4.
变频电机4上还设置有风压开关和防潮加热带，在温度传感器在检测变频电机4的温度过高时，或风压开关检测设备在排风不畅的情况下，均能立即反馈至控制器，控制器对变频电机4进行减速或停机。防潮加热带当外部环境温度低于允许使用温度，或因温度过低变频电机4内部凝结霜露，或停机时，接通电源对变频电机4进行升温保温，避免变频电机4受潮，降低绝缘性能，影响设备安全。通过温度传感器、风压开关以及防潮加热带实现了在控制器中互相配合，保护变频电机4使用寿命的同时，及时调整变频电机4作业环境，大大提高了作业安全性。The variable frequency motor 4 is also equipped with a wind pressure switch and a moisture-proof heating belt. When the temperature sensor detects that the temperature of the variable frequency motor 4 is too high, or the wind pressure switch detection device detects poor ventilation, it can immediately provide feedback to the control The controller decelerates or stops the variable frequency motor 4. Moisture-proof heating belt When the external ambient temperature is lower than the allowable operating temperature, or the temperature is too low, frost condenses inside the variable frequency motor 4, or when it is shut down, the power is turned on to heat up the variable frequency motor 4 and insulate it to prevent the variable frequency motor 4 from getting damp and reducing the insulation performance. , affecting equipment safety. Through the temperature sensor, wind pressure switch and moisture-proof heating belt, the controller can cooperate with each other to protect the service life of the variable frequency motor 4 and at the same time adjust the working environment of the variable frequency motor 4 in a timely manner, greatly improving the safety of the operation.
其中，变频电机4和接线盒10均采用防爆型产品，变频风机9和急停自锁按钮为隔爆型产品，防潮加热带为增安型产品，温度传感器、风压开关为本质安全型产品。Among them, the variable frequency motor 4 and the junction box 10 are both explosion-proof products, the variable frequency fan 9 and the emergency stop self-locking button are explosion-proof products, the moisture-proof heating belt is an increased safety product, and the temperature sensor and air pressure switch are intrinsically safe products. .
此外，变频电机4、变频风机9、温度传感器、防潮加热带的电源电缆，风压开关、急停自锁按钮元件、温度传感器测温电阻的回路电缆线，第一编码器7和第二编码器8的传感电缆线等电线，均在接线盒10内采用集成接线方式，实现了绞车电缆接线端子全防爆的效果，大大提高了整机电气安全性。In addition, the variable frequency motor 4, the variable frequency fan 9, the temperature sensor, the power cable of the moisture-proof heating belt, the air pressure switch, the emergency stop self-locking button component, the loop cable of the temperature sensor temperature measuring resistor, the first encoder 7 and the second encoder The sensor cables and other wires of the device 8 are all integrated in the junction box 10, which realizes the full explosion-proof effect of the winch cable terminal and greatly improves the electrical safety of the whole machine.
参照图1-图6，所述绞车架1包括底撬11，所述底撬11上间隔布置有两个立架12，所述滚筒2转动设置于两所述立架12之间；所述底撬11的底部可拆卸连接有底盘车辅梁13。其中，立架12与底撬11焊接连接，示例性的，底撬11与底盘车辅梁13可以采用螺栓或者销钉等可拆卸的连接方式，在绞车后背板侧，使用在底撬11上焊接螺 母或攻丝方式，将螺栓组从底盘车辅梁13台面反穿的安装方式；滚筒2则通过滚子轴承、衬套、螺栓组等连接件安装在绞车架1两侧的立架12上。Referring to Figures 1 to 6, the winch frame 1 includes a bottom skid 11, two vertical frames 12 are arranged at intervals on the bottom skid 11, and the drum 2 is rotatably arranged between the two vertical frames 12; The bottom of the bottom skid 11 is detachably connected to a chassis auxiliary beam 13. Among them, the stand 12 is welded to the bottom skid 11. For example, the bottom skid 11 and the chassis auxiliary beam 13 can be detachably connected using bolts or pins, and are used on the bottom skid 11 on the back panel side of the winch. Welding nuts or tapping methods are used to install the bolt group through the countertop of the chassis auxiliary beam 13; the drum 2 is installed on the stands on both sides of the winch frame 1 through connecting parts such as roller bearings, bushings, and bolt groups. 12 on.
绞车架1还包括盘刹护罩和挡油板，盘刹护罩和挡油板与绞车架1采用螺栓式连接。盘刹护罩侧面带有网状式观察孔及两个推拉式维修窗，盘刹护罩用于观察盘刹装置3的工作状态，并及时对常开工作钳和常闭安全钳32进行检修。绞车各机构部件集成安装在绞车架1上，绞车整体单独成橇；解决了绞车固定安装空间受限，拆装维修不便的问题，实现了修井机各橇体部件紧密连接，实现了绞车的快速安装及拆卸，提高了整机布局紧密性、模块化。The winch frame 1 also includes a disc brake shield and an oil baffle plate, which are bolted to the winch frame 1. The disc brake shield has a mesh observation hole and two push-pull maintenance windows on the side. The disc brake shield is used to observe the working status of the disc brake device 3 and to timely inspect and repair the normally open working clamp and the normally closed safety clamp 32. The various mechanism components of the winch are integrated and installed on the winch frame 1, and the winch is a separate skid; the problem of limited fixed installation space for the winch and inconvenient disassembly and maintenance is solved, and the various skid components of the workover rig are tightly connected, and the winch can be quickly installed and disassembled, which improves the compactness and modularity of the overall layout.
可选地，两所述立架12相对设置的一侧均设置有导绳架14，所述导绳架14位于所述滚筒2的上方，所述导绳架14上转动设置有导绳辊15。绞车架1上还设置有导绳器护罩，导绳器护罩与绞车架1采用螺栓式连接，导绳架14安装在导绳器护罩上。滚筒2轴线两侧均安装有导绳器，当钢丝绳靠近滚筒2边缘时，导绳架14上的导绳辊15改变钢丝绳横向出绳方向，防止钢丝绳与滚筒2之间的无效摩擦。Optionally, a rope guide 14 is provided on opposite sides of the two stands 12. The rope guide 14 is located above the drum 2, and a rope guide roller is rotated on the rope guide 14. 15. The winch frame 1 is also provided with a rope guide guard. The rope guide guard and the winch frame 1 are connected by bolts. The rope guide 14 is installed on the rope guide guard. Rope guides are installed on both sides of the axis of the drum 2. When the wire rope is close to the edge of the drum 2, the rope guide roller 15 on the rope guide frame 14 changes the transverse rope exit direction of the wire rope to prevent ineffective friction between the wire rope and the drum 2.
参照图1-图6，在本申请中，绞车架1上还设置有过卷防碰装置16，过卷防碰装置16用于检测滚筒2是否过度缠绕钢丝绳，从而防止游动***撞击井架天车造成严重事故。绞车架1顶部的内侧含有滑轨轮槽，过卷防碰装置16安装在滑轨轮槽中。Referring to Figures 1-6, in this application, the winch frame 1 is also provided with an over-rolling anti-collision device 16. The over-rolling anti-collision device 16 is used to detect whether the drum 2 is over-wound with the wire rope, thereby preventing the swimming system from hitting the derrick. The crane caused serious accidents. The inside of the top of the winch frame 1 contains a slide rail wheel groove, and the overroll anti-collision device 16 is installed in the slide rail wheel groove.
综上所述，修井作业时，当需要提升管柱或其他作业工具时，由低基频大扭矩交流变频电机4作为动力源，通过锥形夹紧联轴器5直接驱动滚筒2旋转，通过缠绕滚筒2上的钢丝绳，带动游动***、管柱或作业工具的提升。修井机变频器改变的电频输送给变频电机4改变变频电机4的转速，有效地控制提升速度。To sum up, during well workover operations, when it is necessary to lift the pipe string or other working tools, the low base frequency and high torque AC variable frequency motor 4 is used as the power source to directly drive the drum 2 to rotate through the conical clamping coupling 5. By winding the wire rope on the drum 2, the traveling system, pipe string or working tools are lifted. The electric frequency changed by the frequency converter of the workover rig is sent to the variable frequency motor 4 to change the rotation speed of the variable frequency motor 4, thereby effectively controlling the lifting speed.
修井作业时，当需要下放管柱或其他作业工具时，靠游动***、管柱或作业工具自身重力，带动滚筒2释放滚筒2上的钢丝绳，完成游动***、管柱或作业工具的下放。通过控制器控制变频电机4的悬停能耗制动及盘刹装置3刹车，有效地控制下放速度和负载悬停。During well workover operations, when it is necessary to lower a pipe string or other working tools, the gravity of the traveling system, pipe string or working tools drives the drum 2 to release the wire rope on the drum 2 to complete the lifting of the traveling system, pipe string or working tools. Decentralize. The controller controls the hovering energy consumption braking of the variable frequency motor 4 and the braking of the disc brake device 3 to effectively control the lowering speed and load hovering.
以上所述仅是本申请的具体实施方式，使本领域技术人员能够理解或实现本申请。对这些实施例的多种修改和变化对本领域的技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本申请的精神或范围的情况下，在其它实施例中实现。凡在本申请的精神和原则之内，所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。因此，本申请将不会被限制于本文所示的这些实施例，而是要符合与本文所申请的原理和新颖特点相一致的最宽的范围。The above descriptions are only specific embodiments of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications and variations to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be practiced in other embodiments without departing from the spirit or scope of the application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application shall be included in the protection scope of this application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

  1. 一种电机直驱绞车，包括：A motor direct-drive winch, including:
    绞车架(1)；winch frame(1);
    滚筒(2)，转动设置于所述绞车架(1)上；The drum (2) is rotatably installed on the winch frame (1);
    盘刹装置(3)，连接于所述滚筒(2)的一端面，且所述盘刹装置(3)设置于所述绞车架(1)上；以及A disc brake device (3) is connected to one end surface of the drum (2), and the disc brake device (3) is provided on the winch frame (1); and
    变频电机(4)，连接于所述滚筒(2)的另一端面，所述变频电机(4)设置于所述绞车架(1)上，且所述变频电机(4)的输出轴与所述滚筒(2)的轴线同轴设置。A variable frequency motor (4) is connected to the other end face of the drum (2). The variable frequency motor (4) is arranged on the winch frame (1), and the output shaft of the variable frequency motor (4) is connected to the other end surface of the drum (2). The axis of the drum (2) is coaxially arranged.
  2. 如权利要求1所述的电机直驱绞车，其中，所述滚筒(2)包括轴体以及套设于所述轴体外周侧的筒体，所述轴体转动设置于所述绞车架(1)上，所述轴体的一端套装于所述变频电机(4)的转子内轴孔中，所述轴体与所述变频电机(4)通过锥形夹紧联轴器(5)相连接。The motor direct drive winch according to claim 1, wherein the drum (2) includes a shaft body and a cylinder sleeved on the peripheral side of the shaft body, and the shaft body is rotatably arranged on the winch frame ( 1), one end of the shaft body is fitted into the inner shaft hole of the rotor of the variable frequency motor (4), and the shaft body and the variable frequency motor (4) are connected through a tapered clamping coupling (5) connect.
  3. 如权利要求1所述的电机直驱绞车，其中，所述盘刹装置(3)包括设置于所述绞车架(1)上的刹车盘(31)、常闭安全钳(32)和常开安全钳(33)，所述盘刹装置(3)还包括用于推动制动所述常闭安全钳(32)的第一制动件以及用于推动制动所述常开安全钳(33)的第二制动件。The motor direct drive winch according to claim 1, wherein the disc brake device (3) includes a brake disc (31) arranged on the winch frame (1), a normally closed safety gear (32) and a normally closed safety gear (32). To open the safety gear (33), the disc brake device (3) also includes a first brake member for pushing and braking the normally closed safety gear (32) and a first braking member for pushing and braking the normally open safety gear (32). 33) of the second brake.
  4. 如权利要求1所述的电机直驱绞车，其中，所述绞车架(1)上还设置有应急动力装置(6)，所述应急动力装置(6)包括：驱动件(61)以及与所述驱动件(61)相连接的第一传动件(62)，所述滚筒(2)的一端固定有与所述第一传动件(62)传动连接的第二传动件(63)。The motor direct-drive winch according to claim 1, wherein the winch frame (1) is further provided with an emergency power device (6), and the emergency power device (6) includes: a driving member (61) and a The first transmission member (62) is connected to the driving member (61), and a second transmission member (63) is fixed to one end of the roller (2) and is drivingly connected to the first transmission member (62).
  5. 如权利要求4所述的电机直驱绞车，其中，所述第一传动件(62)为第一齿轮，所述驱动件(61)用于驱动所述齿轮的转动，所述第二传动件(63)为与所述第一齿轮相啮合的第二齿轮，且所述第二齿轮的齿数多于所述第一齿轮的齿数。The motor direct-drive winch according to claim 4, wherein the first transmission member (62) is a first gear, the driving member (61) is used to drive the rotation of the gear, and the second transmission member (63) is a second gear meshing with the first gear, and the number of teeth of the second gear is greater than the number of teeth of the first gear.
  6. 如权利要求2所述的电机直驱绞车，其中，所述变频电机(4)的输入端安装有第一编码器(7)，所述滚筒(2)的输出端安装有第二编码器(8)，所述第一编码器(7)用于获取所述变频电机(4)的旋转次数，所述第二编码器(8)用于获取所述滚筒(2)的旋转次数以监测所述锥形夹紧联轴器(5)的连接可靠性；所述绞车架(1)上还设置有与所述第一编码器(7)、所述第二编码器(8)、所述盘刹装置(3)以及所述变频电机(4)均电性连接的控制器。The motor direct-drive winch according to claim 2, wherein a first encoder (7) is installed at the input end of the variable frequency motor (4), and a second encoder (7) is installed at the output end of the drum (2). 8), the first encoder (7) is used to obtain the number of rotations of the variable frequency motor (4), and the second encoder (8) is used to obtain the number of rotations of the drum (2) to monitor the The connection reliability of the tapered clamping coupling (5); the winch frame (1) is also provided with the first encoder (7), the second encoder (8), and the The disc brake device (3) and the variable frequency motor (4) are both electrically connected to the controller.
  7. 如权利要求6所述的电机直驱绞车，其中，所述绞车架(1)上设置有用于监 控所述变频电机(4)温度的温度传感器，所述变频电机(4)旁还安装有变频风机(9)，所述温度传感器以及所述变频风机(9)均与所述控制器电性连接。The motor direct-drive winch according to claim 6, wherein the winch frame (1) is provided with a temperature sensor for monitoring the temperature of the variable frequency motor (4), and a temperature sensor is installed next to the variable frequency motor (4). The variable frequency fan (9), the temperature sensor and the variable frequency fan (9) are all electrically connected to the controller.
  8. 如权利要求7所述的电机直驱绞车，其中，所述绞车架(1)上还设置有接线盒(10)，所述控制器设置于所述接线盒(10)内，且所述变频电机(4)、所述温度传感器、所述变频风机(9)、所述第一编码器(7)以及所述第二编码器(8)的电线均通过集成接线方式设置于所述接线盒(10)内。The motor direct-drive winch according to claim 7, wherein the winch frame (1) is further provided with a junction box (10), the controller is arranged in the junction box (10), and the The wires of the variable frequency motor (4), the temperature sensor, the variable frequency fan (9), the first encoder (7) and the second encoder (8) are all arranged on the wiring through integrated wiring. Inside the box (10).
  9. 如权利要求1所述的电机直驱绞车，其中，所述绞车架(1)包括底撬(11)，所述底撬(11)上间隔布置有两个立架(12)，所述滚筒(2)转动设置于两所述立架(12)之间；所述底撬(11)的底部可拆卸连接有底盘车辅梁(13)。The motor direct-drive winch according to claim 1, wherein the winch frame (1) includes a bottom skid (11), and two vertical frames (12) are arranged at intervals on the bottom skid (11). The roller (2) is rotated and arranged between the two stands (12); the bottom of the bottom skid (11) is detachably connected to a chassis auxiliary beam (13).
  10. 如权利要求9所述的电机直驱绞车，其中，两所述立架(12)相对设置的一侧均设置有导绳架(14)，所述导绳架(14)位于所述滚筒(2)的上方，所述导绳架(14)上转动设置有导绳辊(15)。The motor direct drive winch according to claim 9, wherein a rope guide frame (14) is provided on the opposite side of the two stands (12), and the rope guide frame (14) is located on the drum ( 2), a rope guide roller (15) is rotatably provided on the rope guide frame (14).
PCT/CN2022/119938 2022-09-20 2022-09-20 Motor direct drive drawworks WO2024060016A1 (en)

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PCT/CN2022/119938 WO2024060016A1 (en) 2022-09-20 2022-09-20 Motor direct drive drawworks
CN202310207300.6A CN116281703A (en) 2022-09-20 2023-03-06 Motor direct-drive winch

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Citations (6)

* Cited by examiner, † Cited by third party
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CN201999668U (en) * 2011-03-24 2011-10-05 四川宏华石油设备有限公司 Direct drive winch
CN105129643A (en) * 2015-06-17 2015-12-09 中国石油天然气集团公司 Direct-drive winch system of single alternating-current variable-frequency asynchronous motor of drilling machine
CN210117182U (en) * 2019-05-06 2020-02-28 天津市东方先科石油机械有限公司 Variable frequency motor direct-drive winch for vehicle-mounted petroleum workover rig
CN210885073U (en) * 2019-08-28 2020-06-30 四川昆仑石油设备制造有限公司 Winch directly driven by motor
CN213895023U (en) * 2020-09-09 2021-08-06 南阳二机石油装备集团股份有限公司 Direct-drive double-power drilling winch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101908813A (en) * 2009-06-05 2010-12-08 苏州能健电气有限公司 Frequency-conversion alternating current motor for pitch control of wind power generator
CN201999668U (en) * 2011-03-24 2011-10-05 四川宏华石油设备有限公司 Direct drive winch
CN105129643A (en) * 2015-06-17 2015-12-09 中国石油天然气集团公司 Direct-drive winch system of single alternating-current variable-frequency asynchronous motor of drilling machine
CN210117182U (en) * 2019-05-06 2020-02-28 天津市东方先科石油机械有限公司 Variable frequency motor direct-drive winch for vehicle-mounted petroleum workover rig
CN210885073U (en) * 2019-08-28 2020-06-30 四川昆仑石油设备制造有限公司 Winch directly driven by motor
CN213895023U (en) * 2020-09-09 2021-08-06 南阳二机石油装备集团股份有限公司 Direct-drive double-power drilling winch

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