Compact drilling and workover drawworks with automatic pipe handler

Abstract

The compact drilling and workover winch with automatic drill feeding device comprises a main motor, the main motor is connected with the input shaft of a reduction box through a shaft coupling a, the output shaft of the reduction box is connected with the left end of a drum shaft assembly through a shaft coupling b, the right end of the drum shaft assembly is connected with a tooth clutch through a key b, and the tooth clutch is connected with an automatic drill feeding device assembly through a chain. The drum shaft assembly is provided with hydraulic disc brake devices arranged on both sides and diagonally. The reduction box is provided with a separate oil lubricating device. The reduction box adopts two-gear transmission, can output two gears of high speed and low speed, is provided with the automatic drill feeding device, and can fully meet the working conditions required by drilling and workover. The compact structure, simple installation, convenient transportation, complete functions, effective improvement of the working efficiency of the winch and reduction of the drilling and workover operation time are achieved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of oil drilling and production equipment, and relates to an oil drilling and workover winch. BACKGROUND

[0002] The truck-mounted drilling and workover machine has strict requirements on the width size of the winch due to transportation requirements. The previous drilling and workover winch has a large size, a complex structure and is inconvenient to maintain. Moreover, due to the transportation size limitation, the winch reduction gearbox is only provided with one speed gear position, and the winch has a low working efficiency. Especially in the Middle East region, the drilling and workover winch has an automatic drilling requirement, and the previous drilling and workover winch cannot meet the use requirements. SUMMARY

[0003] The application aims to provide a compact drilling and workover winch with an automatic drilling device, which has a two-gear gear reduction gearbox and improves the power utilization rate of the winch.

[0004] The technical scheme adopted by the application is that the compact drilling and workover winch with the automatic drilling device comprises a main motor, a shaft coupling a, a reduction gearbox, an oil lubricating device, a shaft coupling b, a hydraulic disc brake device, a drum shaft assembly, a drum shaft, a left connecting hub, a drum body, a right connecting hub, a left brake connecting disc, a right brake connecting disc, a left bearing seat, a right bearing seat, a left bearing, a right bearing, a key a, a key b, a toothed clutch, a chain, and an automatic drilling device assembly; the main motor is connected with an input shaft of the reduction gearbox through the shaft coupling a; an output shaft of the reduction gearbox is connected with the left end of the drum shaft assembly through the shaft coupling b; the right end of the drum shaft assembly is connected with the toothed clutch through the key b; and the toothed clutch is connected with the automatic drilling device assembly through the chain.

[0005] The drum shaft assembly is provided with the hydraulic disc brake device; and the reduction gearbox is provided with the oil lubricating device.

[0006] The application also has the following characteristics:

[0007] The reduction gearbox comprises an input shaft, an intermediate shaft and an output shaft, and the input shaft, the intermediate shaft and the output shaft are horizontally arranged in a plane.

[0008] The input shaft is provided with a gear a, a gear b and a gear shifting mechanism; the input shaft is connected with the shaft coupling a; and the gear shifting mechanism is arranged between the gear a and the gear b.

[0009] The intermediate shaft is provided with a gear c, a gear d and a gear e.

[0010] The output shaft is provided with a gear f; and the output shaft is connected with the shaft coupling b.

[0011] The gear a is engaged with the gear c; the gear b is engaged with the gear d; and the gear e is engaged with the gear f.

[0012] Gear a is in engagement state and gear b is in disengagement state by the gear shifting mechanism;

[0013] Gear b is in engagement state and gear a is in disengagement state by the gear shifting mechanism.

[0014] The drum shaft assembly comprises a drum shaft, a left connecting hub, a drum body, a right connecting hub, a left brake connecting disc, a right brake connecting disc, a left bearing seat, a right bearing seat, a left bearing, a right bearing, a key a, and a key b.

[0015] The drum body is located between the left connecting hub and the right connecting hub, and the drum body is welded with the left connecting hub and the right connecting hub respectively.

[0016] The left connecting hub is connected with the left brake connecting disc through bolts, and the right connecting hub is connected with the right brake connecting disc through bolts.

[0017] The left bearing seat is installed at the left end of the drum shaft through the left bearing, and the right bearing seat is installed at the right end of the drum shaft through the right bearing.

[0018] The left end of the drum shaft is connected with the output shaft through the coupling b.

[0019] The right end of the drum shaft is connected with the tooth clutch through the key b.

[0020] The tooth clutch comprises an outer tooth sleeve I, an outer tooth sleeve II, an inner tooth sleeve, a bearing assembly, and a shift fork device.

[0021] The bearing assembly is installed at the right end of the drum shaft, the outer tooth sleeve II is installed at the right end of the drum shaft through the key b, and the outer tooth sleeve II is located at the right side of the bearing assembly.

[0022] The outer tooth sleeve I is installed on the bearing assembly, and the sprocket faces the left side of the drum shaft, and the gear faces the right side of the drum shaft.

[0023] The inner tooth sleeve is installed on the outer tooth sleeve I and the outer tooth sleeve II through the gear inner and outer tooth engagement mode, and the inner tooth sleeve can slide left and right on the outer tooth sleeve I and the outer tooth sleeve II through the shift fork device, so as to realize the disengagement and engagement of the outer tooth sleeve I and the outer tooth sleeve II.

[0024] The tooth clutch is connected with the automatic drill feeding device assembly through the chain.

[0025] The automatic drill feeding device assembly comprises an automatic drill feeding device, a small sprocket, and a key c.

[0026] The outer tooth sleeve I, the outer tooth sleeve II, the inner tooth sleeve, the bearing assembly, the chain and the small chain wheel are arranged inside the chain box.

[0027] The present application has the following advantages:

[0028] The compact drilling and workover winch with automatic drill feeding device adopts a two-gear reduction gearbox, improves the power utilization rate of the winch, and effectively reduces the lifting time of drilling and workover operations.

[0029] The compact drilling and workover winch with automatic drill feeding device increases the automatic drill feeding device, which can realize emergency working conditions when the main motor fails, and improves the drilling and workover efficiency.

[0030] The compact drilling and workover winch with automatic drill feeding device adopts a hydraulic disc brake device arranged in a double-side and double-lateral diagonal manner, which can effectively save installation space.

[0031] The compact drilling and workover winch with automatic drill feeding device adopts a gear clutch to control the engagement or disengagement of the automatic drill feeding device, which has a compact structure, small installation space requirement and low cost. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 The compact drilling and workover winch with automatic drill feeding device is shown in the structure diagram.

[0033] Figure 2 The compact drilling and workover winch with automatic drill feeding device is shown in the structure diagram of the drum shaft assembly.

[0034] Figure 3 The compact drilling and workover winch with automatic drill feeding device is shown in the structure diagram of the reduction gearbox.

[0035] Figure 4 The compact drilling and workover winch with automatic drill feeding device is shown in the structure diagram of the gear clutch.

[0036] Figure 5 The compact drilling and workover winch with automatic drill feeding device is shown in the structure diagram of the automatic drill feeding device assembly.

[0037] Among them, 1. Main motor, 2. Coupling a, 3. Gearbox, 3-1. Input shaft, 3-1-1. Gear a, 3-1-2. Gear b, 3-1-3. Shifting mechanism, 3-2. Intermediate shaft, 3-2-1. Gear c, 3-2-2. Gear d, 3-2-3. Gear e, 3-3. Output shaft, 3-3-1. Gear f, 4. Oil lubrication device, 5. Coupling b, 6. Hydraulic disc brake device, 7. Roller shaft assembly, 7-1. Roller shaft, 7-2. Left connecting hub, 7-3. Roller body, 7-4. Right... 7-5. Connecting hub, 7-6. Left brake connecting disc, 7-7. Right brake connecting disc, 7-8. Left bearing housing, 7-9. Right bearing housing, 7-10. Left bearing, 7-11. Key a, 7-12. Key b, 8. Gear clutch, 8-1. Outer gear sleeve I, 8-2. Outer gear sleeve II, 8-3. Inner gear sleeve, 8-4. Bearing assembly, 8-5. Shift fork device, 9. Chain, 10. Automatic drill feeding device assembly, 10-1. Automatic drill feeding device, 10-2. Small sprocket, 10-3. Key c, 11. Chain box. Detailed Implementation

[0038] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0039] This invention relates to a compact drilling and workover winch equipped with an automatic drill bit feeding device.

[0040] like Figure 1 As shown, the winch main motor 1 is connected to the input shaft of the gearbox 3 via coupling a2, and the output shaft of the gearbox 3 is connected to the left end of the drum shaft assembly 7 via coupling b5. The right end of the drum shaft assembly 7 is equipped with a toothed clutch 8, which is connected to the automatic drilling device assembly 10 via chain 9.

[0041] The roller shaft assembly 7 is fixed to the transport vehicle via left and right bearing seats.

[0042] The roller shaft assembly 7 is equipped with a hydraulic disc brake device 6;

[0043] The gearbox 3 is equipped with an oil lubrication device 4.

[0044] The hydraulic disc brake device 9 is arranged diagonally on both sides at both ends of the winch drum shaft assembly 7.

[0045] The outer gear sleeve I 8-1, outer gear sleeve II 8-2, inner gear sleeve 8-3, bearing assembly 8-4, chain 9 and small sprocket 10-2 are all located inside the chain box 11.

[0046] like Figure 2As shown, the drum shaft assembly 7 includes a drum shaft 7-1, a left connecting hub 7-2, a drum body 7-3, a right connecting hub 7-4, a left brake connecting disc 7-5, a right brake connecting disc 7-6, a left bearing seat 7-7, a right bearing seat 7-8, a left bearing 7-9, a right bearing 7-10, a key a 7-11, and a key b 7-12.

[0047] The drum body 7-3 is fixedly connected to the left connecting hub 7-2 and the right connecting hub 7-4, and is connected to the drum shaft 7-1 through the key a 7-11. The left bearing seat 7-7 is installed on the left end of the drum shaft 7-1 through the left bearing 7-9, and the right bearing seat 7-8 is installed on the right end of the drum shaft 7-1 through the right bearing 7-10.

[0048] The left brake connecting disc 7-5 is connected to the left connecting hub 7-2 through bolts, and the right brake connecting disc 7-6 is connected to the right connecting hub 7-4 through bolts. The left brake connecting disc 7-5 and the right brake connecting disc 7-6 are respectively matched with hydraulic disc brake devices 9.

[0049] The bearing assembly 8-4 and the outer sleeve II 8-2 are installed on the right end of the drum shaft 7-1, and the outer sleeve II 8-2 is located on the right side of the bearing assembly 8-4. The outer sleeve I 8-1 is installed on the bearing assembly 8-4.

[0050] As shown, Figure 3 The reduction box 3 includes an input shaft 3-1, an intermediate shaft 3-2, and an output shaft 3-3. The input shaft 3-1, the intermediate shaft 3-2, and the output shaft 3-3 are arranged horizontally in the same plane.

[0051] The input shaft 3-1 is provided with a gear a 3-1-1, a gear b 3-1-2, and a shift mechanism 3-1-3.

[0052] The intermediate shaft 3-2 is provided with a gear c 3-2-1, a gear d 3-2-2, and a gear e 3-2-3.

[0053] The output shaft 3-3 is provided with a gear f 3-3-1.

[0054] The shaft coupling a 2 is connected to the input shaft 3-1, and the shaft coupling b 5 is connected to the output shaft 3-3.

[0055] The gear a 3-1-1 is engaged with the gear c 3-2-1 through the shift mechanism 3-1-3, the gear b 3-1-2 is engaged with the gear d 3-2-2 through the shift mechanism 3-1-3, and the gear e 3-2-3 is engaged with the gear f 3-3-1.

[0056] When the gear a 3-1-1 and the gear c 3-2-1 work, the gear b 3-1-2 and the gear d 3-2-2 do not work.

[0057] Gear b3-1-2 and gear d3-2-2 work, gear a3-1-1 and gear c3-2-1 do not work.

[0058] As shown in Figure 4 The inner tooth sleeve 8-3 is installed on the outer tooth sleeve I 8-1 and the outer tooth sleeve II 8-2, and the inner tooth sleeve 8-3 is engaged with the outer tooth sleeve I 8-1 and the outer tooth sleeve II 8-2 through straight teeth respectively. The inner tooth sleeve 8-3 can slide on the outer tooth sleeve I 8-1 and the outer tooth sleeve II 8-2 along the axial direction through the yoke device 8-5, so as to realize the engagement and disengagement of the clutch.

[0059] As shown in Figure 5 The automatic pipe feeding device assembly 10 includes an automatic pipe feeding device 10-1, a small chain wheel 10-2 and a key c 10-3. The small chain wheel 10-2 is connected to the output shaft end of the automatic pipe feeding device 10-1 through the key c 10-3.

[0060] The working process of the compact drilling and workover winch with automatic pipe feeding device is as follows:

[0061] The working process of the high-speed block of the compact drilling and workover winch with automatic pipe feeding device is as follows:

[0062] Start the main motor 1, and the automatic pipe feeding device 10 is in a power-off state. The main motor 1 drives the input shaft 3-1 to rotate through the shaft coupling a2, and the gear b3-1-2 is in an engaged state and the gear a3-1-1 is in a disengaged state through the gear shifting mechanism 3-1-3. The intermediate shaft 3-2 is driven to rotate through the meshing transmission of the gear b3-1-2 and the gear d3-2-2, the gear e3-2-3 is driven to rotate by the intermediate shaft 3-2, the output shaft 3-3 is driven to rotate through the meshing transmission of the gear e3-2-3 and the gear f3-3-1, and the winch drum shaft assembly 7 is driven to rotate through the shaft coupling b5.

[0063] The working process of the low-speed block of the compact drilling and workover winch with automatic pipe feeding device is as follows:

[0064] Start the main motor 1, and the automatic pipe feeding device 10 is in a power-off state. The main motor 1 drives the input shaft 3-1 to rotate through the shaft coupling a2, and the gear a3-1-1 is in an engaged state and the gear b3-1-2 is in a disengaged state through the gear shifting mechanism 3-1-3. The intermediate shaft 3-2 is driven to rotate through the meshing transmission of the gear a3-1-1 and the gear c3-2-1, the gear e3-2-3 is driven to rotate by the intermediate shaft 3-2, the output shaft 3-3 is driven to rotate through the meshing transmission of the gear e3-2-3 and the gear f3-3-1, and the winch drum shaft assembly 7 is driven to rotate through the shaft coupling b5.

[0065] The working process of the compact drilling and workover winch with automatic pipe feeding device is as follows:

[0066] The automatic pipe feeding device 10 is started, and the main motor 1 is in the power-off state. The automatic pipe feeding device 10 drives the small chain wheel 10-2 to rotate, the small chain wheel 10-2 drives the outer tooth sleeve I 8-1 to rotate through the chain 9, the outer tooth sleeve I 8-1 and the outer tooth sleeve II 8-2 are engaged through the inner tooth sleeve 8-3 of the gear clutch 8, the outer tooth sleeve II 8-2 is driven to rotate, the outer tooth sleeve II 8-2 is connected with the drum shaft 7-1 through the key b7-12, the drum shaft 7-1 drives the winch drum shaft assembly 7 to rotate through the key a7-11.

[0067] Embodiment 1

[0068] The compact drilling and workover winch with the automatic pipe feeding device mainly comprises a main motor 1, a shaft coupling a2, a reduction box 3, an oil lubricating device 4, a shaft coupling b5, a hydraulic disc brake device 6, a drum shaft assembly 7, a left connecting hub 7-2, a drum body 7-3, a right connecting hub 7-4, a left brake connecting disc 7-5, a right brake connecting disc 7-6, a left bearing seat 7-7, a right bearing seat 7-8, a left bearing 7-9, a right bearing 7-10, a key a7-11, a key b7-12, a gear clutch 8, a chain 9, an automatic pipe feeding device assembly 10, and a chain box 11. The main motor 1 is connected with the input shaft of the reduction box 3 through the shaft coupling a2; the output shaft of the reduction box 3 is connected with the left end of the drum shaft assembly 7 through the shaft coupling b5; the right end of the drum shaft assembly 7 is connected with the gear clutch 8 through the key b7-12; the gear clutch 8 is connected with the automatic pipe feeding device assembly 10 through the chain 9.

[0069] The drum shaft assembly 7 is provided with the hydraulic disc brake device 6; the reduction box 3 is provided with the oil lubricating device 4.

[0070] The reduction box 3 comprises an input shaft 3-1, an intermediate shaft 3-2 and an output shaft 3-3, and the input shaft 3-1, the intermediate shaft 3-2 and the output shaft 3-3 are arranged in a horizontal coplanar manner.

[0071] The input shaft 3-1 is provided with a gear a3-1-1, a gear b3-1-2 and a gear shifting mechanism 3-1-3; the input shaft 3-1 is connected with the shaft coupling a2; the gear shifting mechanism 3-1-3 is arranged between the gear a3-1-1 and the gear b3-1-2.

[0072] The intermediate shaft 3-2 is provided with a gear c3-2-1, a gear d3-2-2 and a gear e3-2-3.

[0073] The output shaft 3-3 is provided with a gear f3-3-1; the output shaft 3-3 is connected with the shaft coupling b5.

[0074] 3. The compact drilling and workover drawworks with automatic pipe handling device according to claim 2, characterized in that gear a3-1-1 meshes with gear c3-2-1; gear b3-1-2 meshes with gear d3-2-2; gear e3-2-3 meshes with gear f3-3-1.

[0075] Gear a3-1-1 is in meshing state and gear b3-1-2 is in disengaging state by shifting mechanism 3-1-3; gear b3-1-2 is in meshing state and gear a3-1-1 is in disengaging state by shifting mechanism 3-1-3.

[0076] The drum shaft assembly 7 comprises drum shaft 7-1, left connecting hub 7-2, drum body 7-3, right connecting hub 7-4, left brake connecting disc 7-5, right brake connecting disc 7-6, left bearing seat 7-7, right bearing seat 7-8, left bearing 7-9, right bearing 7-10, key a 7-11, key b 7-12. The drum shaft 7-1 is sleeved with the drum body 7-3, the left connecting hub 7-2 and the right connecting hub 7-4; the drum body 7-3 is located between the left connecting hub 7-2 and the right connecting hub 7-4, and the drum body 7-3 is welded with the left connecting hub 7-2 and the right connecting hub 7-4 respectively; the drum shaft 7-1 is connected with the left connecting hub 7-2 through the key a 7-11;

[0077] The left connecting hub 7-2 is connected with the left brake connecting disc 7-5 through bolts; the right connecting hub 7-4 is connected with the right brake connecting disc 7-6 through bolts; the left brake connecting disc 7-5 and the right brake connecting disc 7-6 are respectively provided with hydraulic disc brake devices 6; the two sets of hydraulic disc brake devices 6 are diagonally arranged on both sides of the drawworks drum shaft assembly 7.

[0078] The left end of the drum shaft 7-1 is connected with the output shaft 3-3 through the shaft coupling b5;

[0079] The right end of the drum shaft 7-1 is connected with the toothed clutch 8 through the key b7-12;

[0080] The toothed clutch 8 comprises outer tooth sleeve I 8-1, outer tooth sleeve II 8-2, inner tooth sleeve 8-3, bearing assembly 8-4, yoke device 8-5;

[0081] The bearing assembly 8-4 is installed at the right end of the drum shaft 7-1, the outer tooth sleeve II 8-2 is installed at the right end of the drum shaft 7-1 through the key b7-12, and the outer tooth sleeve II 8-2 is located at the right side of the bearing assembly 8-4; the gear of the outer tooth sleeve II 8-2 faces the left side of the drum shaft 7-1;

[0082] The outer tooth sleeve I 8-1 is installed on the bearing assembly 8-4, and the sprocket faces the left side of the drum shaft 7-1, and the gear faces the right side of the drum shaft 7-1;

[0083] The inner tooth sleeve 8-3 is installed on the outer tooth sleeve I 8-1 and the outer tooth sleeve II 8-2 through the meshing of the inner and outer gears, and can slide left and right on the outer tooth sleeve I 8-1 and the outer tooth sleeve II 8-2 through the shift fork device 8-5, so as to realize the disengagement and engagement of the outer tooth sleeve I 8-1 and the outer tooth sleeve II 8-2.

[0084] Embodiment 2

[0085] The compact drilling and workover winch with automatic pipe feeding device mainly comprises a main motor 1, a shaft coupling a2, a reduction box 3, an oil lubricating device 4, a shaft coupling b5, a hydraulic disc brake device 6, a drum shaft assembly 7, a left connecting hub 7-2, a drum body 7-3, a right connecting hub 7-4, a left brake connecting disc 7-5, a right brake connecting disc 7-6, a left bearing seat 7-7, a right bearing seat 7-8, a left bearing 7-9, a right bearing 7-10, a key a 7-11, a key b 7-12, a tooth clutch 8, a chain 9, an automatic pipe feeding device assembly 10, and a chain box 11.

[0086] The drum shaft assembly 7 is provided with the hydraulic disc brake device 6, and the reduction box 3 is provided with the oil lubricating device 4.

[0087] The reduction box 3 comprises an input shaft 3-1, an intermediate shaft 3-2 and an output shaft 3-3, and the input shaft 3-1, the intermediate shaft 3-2 and the output shaft 3-3 are arranged in a horizontal coplanar manner.

[0088] The input shaft 3-1 is provided with a gear a 3-1-1, a gear b 3-1-2 and a gear shifting mechanism 3-1-3; the input shaft 3-1 is connected with the shaft coupling a2; and the gear shifting mechanism 3-1-3 is arranged between the gear a 3-1-1 and the gear b 3-1-2.

[0089] The intermediate shaft 3-2 is provided with a gear c 3-2-1, a gear d 3-2-2 and a gear e 3-2-3.

[0090] The output shaft 3-3 is provided with a gear f 3-3-1; and the output shaft 3-3 is connected with the shaft coupling b5.

[0091] 3. The compact drilling and workover winch with automatic pipe feeding device according to claim 2, characterized in that the gear a 3-1-1 is engaged with the gear c 3-2-1; the gear b 3-1-2 is engaged with the gear d 3-2-2; and the gear e 3-2-3 is engaged with the gear f 3-3-1.

[0092] Gear a3-1-1 is in the engaged state and gear b3-1-2 is in the disengaged state by shifting mechanism 3-1-3

[0093] Gear b3-1-2 is in the engaged state and gear a3-1-1 is in the disengaged state by shifting mechanism 3-1-3.

[0094] The drum shaft assembly 7 comprises a drum shaft 7-1, a left connecting hub 7-2, a drum body 7-3, a right connecting hub 7-4, a left brake connecting disc 7-5, a right brake connecting disc 7-6, a left bearing seat 7-7, a right bearing seat 7-8, a left bearing 7-9, a right bearing 7-10, a key a 7-11, and a key b 7-12. The drum shaft 7-1 is sleeved with the drum body 7-3, the left connecting hub 7-2, and the right connecting hub 7-4; the drum body 7-3 is located between the left connecting hub 7-2 and the right connecting hub 7-4, and is welded with the left connecting hub 7-2 and the right connecting hub 7-4 respectively; the drum shaft 7-1 is connected with the left connecting hub 7-2 through the key a 7-11;

[0095] The left connecting hub 7-2 is connected with the left brake connecting disc 7-5 through bolts; the right connecting hub 7-4 is connected with the right brake connecting disc 7-6 through bolts; the left brake connecting disc 7-5 and the right brake connecting disc 7-6 are respectively provided with hydraulic disc brake devices 6; the two sets of hydraulic disc brake devices 6 are diagonally arranged on both sides of the winch drum shaft assembly 7.

[0096] The left end of the drum shaft 7-1 is connected with the output shaft 3-3 through a shaft coupling b 5;

[0097] The right end of the drum shaft 7-1 is connected with the toothed clutch 8 through the key b 7-12;

[0098] The toothed clutch 8 comprises an outer toothed sleeve I 8-1, an outer toothed sleeve II 8-2, an inner toothed sleeve 8-3, a bearing assembly 8-4, and a shift fork device 8-5.

[0099] The bearing assembly 8-4 is installed at the right end of the drum shaft 7-1, the outer toothed sleeve II 8-2 is installed at the right end of the drum shaft 7-1 through the key b 7-12, and the outer toothed sleeve II 8-2 is located at the right side of the bearing assembly 8-4; the gear of the outer toothed sleeve II 8-2 faces the left side of the drum shaft 7-1;

[0100] The outer toothed sleeve I 8-1 is installed on the bearing assembly 8-4, and the sprocket faces the left side of the drum shaft 7-1, and the gear faces the right side of the drum shaft 7-1;

[0101] The inner toothed sleeve 8-3 is installed on the outer toothed sleeve I 8-1 and the outer toothed sleeve II 8-2 through the gear inner and outer tooth engagement mode, and the left and right sliding of the inner toothed sleeve 8-3 on the outer toothed sleeve I 8-1 and the outer toothed sleeve II 8-2 can be ensured through the shift fork device 8-5, so as to realize the disengagement and engagement of the outer toothed sleeve I 8-1 and the outer toothed sleeve II 8-2.

[0102] The tooth clutch 8 is connected to the automatic pipe feeding device assembly 10 through the chain 9.

[0103] The automatic pipe feeding device assembly 10 comprises an automatic pipe feeding device 10-1, a small sprocket 10-2 and a key c 10-3. The small sprocket 10-2 is connected to the output shaft end of the automatic pipe feeding device 10-1 through the key c 10-3.

[0104] The tooth clutch 8 is connected to the automatic pipe feeding device assembly 10 through the chain 9.

[0105] The automatic pipe feeding device assembly 10 comprises an automatic pipe feeding device 10-1, a small sprocket 10-2 and a key c 10-3. The small sprocket 10-2 is connected to the output shaft end of the automatic pipe feeding device 10-1 through the key c 10-3.

[0106] Embodiment 3

[0107] The compact drilling and workover winch with automatic pipe feeding device mainly comprises a main motor 1, a shaft coupling a 2, a reduction gearbox 3, an oil lubricating device 4, a shaft coupling b 5, a hydraulic disc brake device 6, a drum shaft assembly 7, a left connecting hub 7-2, a drum body 7-3, a right connecting hub 7-4, a left brake connecting disc 7-5, a right brake connecting disc 7-6, a left bearing seat 7-7, a right bearing seat 7-8, a left bearing 7-9, a right bearing 7-10, a key a 7-11, a key b 7-12, a tooth clutch 8, a chain 9, an automatic pipe feeding device assembly 10 and a chain case 11. The main motor 1 is connected to the input shaft of the reduction gearbox 3 through the shaft coupling a 2. The output shaft of the reduction gearbox 3 is connected to the left end of the drum shaft assembly 7 through the shaft coupling b 5. The right end of the drum shaft assembly 7 is connected to the tooth clutch 8 through the key b 7-12. The tooth clutch 8 is connected to the automatic pipe feeding device assembly 10 through the chain 9.

[0108] The drum shaft assembly 7 is provided with the hydraulic disc brake device 6. The reduction gearbox 3 is provided with the oil lubricating device 4.

[0109] The reduction gearbox 3 comprises an input shaft 3-1, an intermediate shaft 3-2 and an output shaft 3-3. The input shaft 3-1, the intermediate shaft 3-2 and the output shaft 3-3 are arranged horizontally in the same plane.

[0110] The input shaft 3-1 is provided with a gear a 3-1-1, a gear b 3-1-2 and a gear shifting mechanism 3-1-3. The input shaft 3-1 is connected to the shaft coupling a 2. The gear shifting mechanism 3-1-3 is arranged between the gear a 3-1-1 and the gear b 3-1-2.

[0111] The intermediate shaft 3-2 is provided with a gear c 3-2-1, a gear d 3-2-2 and a gear e 3-2-3.

[0112] The output shaft 3-3 is provided with a gear f 3-3-1. The output shaft 3-3 is connected to the shaft coupling b 5.

[0113] 3. The compact drilling and workover drawworks with automatic pipe handling device according to claim 2, characterized in that gear a3-1-1 meshes with gear c3-2-1; gear b3-1-2 meshes with gear d3-2-2; gear e3-2-3 meshes with gear f3-3-1.

[0114] Gear a3-1-1 is in meshing state and gear b3-1-2 is in disengaging state by shifting mechanism 3-1-3.

[0115] Gear b3-1-2 is in meshing state and gear a3-1-1 is in disengaging state by shifting mechanism 3-1-3.

[0116] The drum shaft assembly 7 comprises drum shaft 7-1, left connecting hub 7-2, drum body 7-3, right connecting hub 7-4, left brake connecting disc 7-5, right brake connecting disc 7-6, left bearing seat 7-7, right bearing seat 7-8, left bearing 7-9, right bearing 7-10, key a 7-11, key b 7-12.

[0117] The drum shaft 7-1 is sleeved with the drum body 7-3, the left connecting hub 7-2 and the right connecting hub 7-4; the drum body 7-3 is located between the left connecting hub 7-2 and the right connecting hub 7-4, and is welded with the left connecting hub 7-2 and the right connecting hub 7-4 respectively; the drum shaft 7-1 is connected with the left connecting hub 7-2 through the key a 7-11.

[0118] The left connecting hub 7-2 is connected with the left brake connecting disc 7-5 through bolts; the right connecting hub 7-4 is connected with the right brake connecting disc 7-6 through bolts; the left brake connecting disc 7-5 and the right brake connecting disc 7-6 are respectively provided with hydraulic disc brake devices 6; the two sets of hydraulic disc brake devices 6 are diagonally arranged on both sides of the drawworks drum shaft assembly 7.

[0119] The left end of the drum shaft 7-1 is connected with the output shaft 3-3 through the shaft coupling b5;

[0120] The right end of the drum shaft 7-1 is connected with the toothed clutch 8 through the key b7-12.

[0121] The toothed clutch 8 comprises outer tooth sleeve I 8-1, outer tooth sleeve II 8-2, inner tooth sleeve 8-3, bearing assembly 8-4, fork device 8-5.

[0122] The bearing assembly 8-4 is installed at the right end of the drum shaft 7-1, the outer tooth sleeve II 8-2 is installed at the right end of the drum shaft 7-1 through the key b7-12, and the outer tooth sleeve II 8-2 is located at the right side of the bearing assembly 8-4; the gear of the outer tooth sleeve II 8-2 faces the left side of the drum shaft 7-1.

[0123] The outer tooth sleeve Ⅰ 8-1 is installed on the bearing assembly 8-4, and the chain wheel faces the left side of the drum shaft 7-1, and the gear faces the right side of the drum shaft 7-1;

[0124] The inner tooth sleeve 8-3 is installed on the outer tooth sleeve Ⅰ 8-1 and the outer tooth sleeve Ⅱ 8-2 through the meshing of the inner and outer teeth of the gear, and the inner tooth sleeve 8-3 can slide left and right on the outer tooth sleeve Ⅰ 8-1 and the outer tooth sleeve Ⅱ 8-2 through the yoke device 8-5, realizing the disengagement and engagement of the outer tooth sleeve Ⅰ 8-1 and the outer tooth sleeve Ⅱ 8-2.

[0125] The tooth clutch 8 is connected to the automatic drill feeding device assembly 10 through the chain 9.

[0126] The automatic drill feeding device assembly 10 includes an automatic drill feeding device 10-1, a small chain wheel 10-2, and a key c 10-3. The small chain wheel 10-2 is connected to the output shaft end of the automatic drill feeding device 10-1 through the key c 10-3.

[0127] The tooth clutch 8 is connected to the automatic drill feeding device assembly 10 through the chain 9.

[0128] The automatic drill feeding device assembly 10 includes an automatic drill feeding device 10-1, a small chain wheel 10-2, and a key c 10-3. The small chain wheel 10-2 is connected to the output shaft end of the automatic drill feeding device 10-1 through the key c 10-3.

[0129] The outer tooth sleeve Ⅰ 8-1, the outer tooth sleeve Ⅱ 8-2, the inner tooth sleeve 8-3, the bearing assembly 8-4, the chain 9, and the small chain wheel 10-2 are all arranged inside the chain box 11.

Claims

1. A compact drilling and workover rig with automatic pipe handling, characterized in that, The utility model provides a kind of automatic drilling device, including main motor (1), shaft coupling a (2), reduction gearbox (3), oil lubricating device (4), shaft coupling b (5), hydraulic disc brake device (6), drum shaft assembly (7), drum shaft (7-1), left connecting hub (7-2), drum body (7-3), right connecting hub (7-4), left brake connecting disc (7-5), right brake connecting disc (7-6), left bearing seat (7-7), right bearing seat (7-8), left bearing (7-9), right bearing (7-10), key a (7-11), key b (7-12), gear clutch (8), chain (9), automatic drilling device assembly (10), chain case (11), the main motor (1) is connected with the input shaft of reduction gearbox (3) by shaft coupling a (2);The output shaft of reduction gearbox (3) is connected with the left end of drum shaft assembly (7) by shaft coupling b (5);The right end of drum shaft assembly (7) is connected with gear clutch (8) by key b (7-12);Gear clutch (8) is connected with automatic drilling device assembly (10) by chain (9);Drum shaft assembly (7) is equipped with hydraulic disc brake device (6);Reduction gearbox (3) is equipped with oil lubricating device (4), and reduction gearbox (3) includes input shaft (3-1), intermediate shaft (3-2) and output shaft (3-3), and the input shaft (3-1), intermediate shaft (3-2) and output shaft (3-3) are horizontally coplanar arrangement;Gear a (3-1-1), gear b (3-1-2) and gear shifting mechanism (3-1-3) are installed on the input shaft (3-1);The input shaft (3-1) is connected with the shaft coupling a (2);Gear shifting mechanism (3-1-3) is placed between gear a (3-1-1) and gear b (3-1-2);Gear c (3-2-1), gear d (3-2-2) and gear e (3-2-3) are installed on the intermediate shaft (3-2);Gear f (3-3-1) is installed on the output shaft (3-3);The output shaft (3-3) is connected with the shaft coupling b (5), and gear a (3-1-1) is engaged with gear c (3-2-1);Gear b (3-1-2) is engaged with gear d (3-2-2);Gear e (3-2-3) is engaged with gear f (3-3-1);Make gear a (3-1-1) be in the state of engagement by gear shifting mechanism (3-1-3), and gear b (3-1-2) is in the state of disengagement;Make gear b (3-1-2) be in the state of engagement by gear shifting mechanism (3-1-3), and gear a (3-1-1) is in the state of disengagement, and drum shaft assembly (7) includes drum shaft (7-1), left connecting hub (7-2), drum body (7-3), right connecting hub (7-4), left brake connecting disc (7-5), right brake connecting disc (7-6), left bearing seat (7-7), right bearing seat (7-8), left bearing (7-9), right bearing (7-10), key a (7-11), key b (7-12).The drum shaft (7-1) is sleeved with a drum body (7-3), a left connecting hub (7-2) and a right connecting hub (7-4); the drum body (7-3) is located between the left connecting hub (7-2) and the right connecting hub (7-4), and the drum body (7-3) is welded with the left connecting hub (7-2) and the right connecting hub (7-4) respectively; the drum shaft (7-1) is connected with the left connecting hub (7-2) through a key a (7-11); the left connecting hub (7-2) is connected with a left brake connecting disc (7-5) through bolts; the right connecting hub (7-4) is connected with a right brake connecting disc (7-6) through bolts; the left brake connecting disc (7-5) and the right brake connecting disc (7-6) are respectively provided with hydraulic disc brake devices (6); two sets of the hydraulic disc brake devices (6) are diagonally arranged on both sides of the winch drum shaft assembly (7); the left bearing seat (7-7) is installed on the left end of the drum shaft (7-1) through the left bearing (7-9); the right bearing seat (7-8) is installed on the right end of the drum shaft (7-1) through the right bearing (7-10); the left end of the drum shaft (7-1) is connected with the output shaft (3-3) through a shaft coupling b (5); the right end of the drum shaft (7-1) is connected with the tooth clutch (8) through a key b (7-12); the tooth clutch (8) comprises an outer tooth sleeve I (8-1), an outer tooth sleeve II (8-2), an inner tooth sleeve (8-3), a bearing assembly (8-4) and a fork device (8-5); the bearing assembly (8-4) is installed on the right end of the drum shaft (7-1), the outer tooth sleeve II (8-2) is installed on the right end of the drum shaft (7-1) through the key b (7-12), and the outer tooth sleeve II (8-2) is located on the right side of the bearing assembly (8-4); the gear of the outer tooth sleeve II (8-2) faces the left side of the drum shaft (7-1); the outer tooth sleeve I (8-1) is installed on the bearing assembly (8-4), and the sprocket faces the left side of the drum shaft (7-1), and the gear faces the right side of the drum shaft (7-1). Through the gear inner and outer tooth meshing mode, the inner tooth sleeve (8-3) is installed on the outer tooth sleeve I (8-1) and the outer tooth sleeve II (8-2), and through the shift fork device (8-5), the inner tooth sleeve (8-3) can be ensured to slide left and right on the outer tooth sleeve I (8-1) and the outer tooth sleeve II (8-2), realizing the disengagement and engagement of the outer tooth sleeve I (8-1) and the outer tooth sleeve II (8-2).

2. The compact drilling and workover drawworks with automatic pipe handler of claim 1, wherein, The tooth clutch (8) is connected with the automatic pipe feeding device assembly (10) through the chain (9); The automatic pipe feeding device assembly (10) comprises an automatic pipe feeding device (10-1), a small chain wheel (10-2) and a key c (10-3); the small chain wheel (10-2) is connected with the output shaft end of the automatic pipe feeding device (10-1) through the key c (10-3).

3. The compact drilling and workover drawworks with automatic pipe handler of claim 2, wherein, The outer tooth sleeve I (8-1), the outer tooth sleeve II (8-2), the inner tooth sleeve (8-3), the bearing assembly (8-4), the chain (9) and the small chain wheel (10-2) are all arranged inside the chain box (11).

Images