CN103527117A

CN103527117A - 360-degree continuous rotation large-torque screwing and buckling machine

Info

Publication number: CN103527117A
Application number: CN201310480584.2A
Authority: CN
Inventors: 张秀红
Original assignee: Jiangsu Shen Lida Machinery Manufacturing Co Ltd
Current assignee: Jiangsu Shen Lida Machinery Manufacturing Co Ltd
Priority date: 2013-10-15
Filing date: 2013-10-15
Publication date: 2014-01-22
Anticipated expiration: 2033-10-15
Also published as: CN103527117B

Abstract

The invention belongs to the technical field of petroleum drilling tools, and specifically discloses a 360° continuous rotation high-torque screwing machine, which is composed of a continuously rotating main tong, a back tong and a base; The support plate and the second support plate are arranged at both ends of the base. A 360° continuous rotation high-torque screwing machine of the present invention has reasonable design and long service life. The 360° rotation torque is large and the operation is simple, which improves the production efficiency, saves labor cost input, further reduces the production investment of the enterprise and ensures the personal safety of the operator; at the same time, the invention is simple to operate, convenient to maintain, and easy to promote.

Description

A kind of 360 ° of continuous rotation high pulling torque thread screw on and-off machine

Technical field

The invention belongs to oil drilling tools field of mechanical technique, be specifically related to a kind of 360 ° of continuous rotation high pulling torque thread screw on and-off machine.

Background technology

Known from institute, current oil drilling tools manufacturing enterprise generally adopts two kinds of thread screw on and-off machine to produce, and a kind of is planet pawl folder thread screw on and-off machine, its in the course of the work easily to surface of drill stem cause certain damage and clamping range little; Another kind is assembling and disassembling stand, although they can 360 ° of rotary works, continuous rotation moment of torsion is little and in the process of upper shackle, need repeatedly (clamp → rotate → unclamp → reset), and carries out cycling according to this step, its operating process more complicated, thus cause operating efficiency to reduce.

Based on the problems referred to above, the invention provides a kind of 360 ° of continuous rotation high pulling torque thread screw on and-off machine.

Summary of the invention

Goal of the invention: the object of the invention is for the deficiencies in the prior art, a kind of 360 ° of continuous rotation high pulling torque thread screw on and-off machine are provided, solve on the one hand the damage problem to surface of drill stem in the existing planet pawl folder thread screw on and-off machine course of work, solve on the other hand little, the ineffective problem of assembling and disassembling stand moment of torsion, thereby guarantee production product quality, improve enterprise's processing efficiency and reduce enterprise's production input cost.

Technical scheme: a kind of 360 ° of continuous rotation high pulling torque thread screw on and-off machine, are comprised of the main pincers of continuous rotation, back-up tong and base; The main pincers of described continuous rotation, back-up tong are arranged on base two ends by the first gripper shoe, the second gripper shoe respectively; The main pincers of described continuous rotation comprise hydraulic motor, casing, duplex assembly, line shaft assembly, Connection Block assembly, rotary cylinder assembly, suspention rod assembly, the first hydraulic clamping cylinder, hydraulic cylinder leg, gear wheel, idle wheel assembly and universal outstanding guide wheel; Described casing one side connecting fluid pressure motor, opposite side connects the first gripper shoe; Described hydraulic motor is connected with line shaft assembly; Described duplex assembly is connected with line shaft assembly; Described Connection Block assembly one end connects base, and the other end connects gear wheel; Described rotary cylinder assembly is connected with gear wheel, wherein by suspention rod assembly, is fixedly connected with the first gripper shoe with universal outstanding guide wheel; Described the first hydraulic clamping cylinder is arranged on hydraulic cylinder leg and with rotary cylinder assembly and is connected; Described idle wheel assembly is connected with gear wheel with duplex assembly respectively; Described back-up tong comprises roller mount, the first outer ring and roll assembly, the second hydraulic clamping cylinder, hydraulic cylinder leg assembly, connecting rod ASSY, measuring arm of force and the second outer ring and roll assembly; Described the first outer ring and roll assembly is arranged on roller mount one side bottom, and wherein roller mount opposite side is connected with second gripper shoe one end; Described the second hydraulic clamping cylinder, measuring arm of force and the second outer ring and roll assembly are connected and are arranged on the second gripper shoe other end with cylinder pressure bracket assembly, and wherein connecting rod ASSY one end is connected with measuring arm of force; Described base comprises the first sprocket assemblies, buffer, chain stretching device and the second sprocket assemblies; Described the first sprocket assemblies, chain stretching device are arranged on the inner one end of base, and the second sprocket assemblies is arranged on the inner other end of base; Described buffer is arranged on base top.

Preferred described back-up tong is arranged on base in the middle of buffer, and wherein back-up tong displacement is 0.5m～3m.

Preferred described hydraulic motor is crankshaft connecting rod type radial plunger type motor.

Compared with prior art, beneficial effect of the present invention is:

A kind of 360 ° of continuous rotation high pulling torque thread screw on and-off machine of the present invention, reasonable in design, long service life, improved on the one hand the scope of clamping caliber in processing work process, stopped the damage to drilling tool itself, 360 ° of rotation torques are large and simple to operate on the other hand, improved production work efficiency, saved human cost input, and then reduced enterprise and produced the personal safety that drops into and guaranteed operating personnel; The present invention is simultaneously simple to operate, easy to maintenance, easily popularization.

Accompanying drawing explanation

Fig. 1 is a kind of 360 ° of continuous rotation high pulling torque thread screw on and-off machine structural representations of the present invention;

Fig. 2 is main pincers 1 cross-sectional view of continuous rotation in Fig. 1;

Fig. 3 is back-up tong 2 cross-sectional view in Fig. 1;

Fig. 4 is base 3 cross-sectional view in Fig. 1;

Wherein in figure, sequence number is as follows: the main pincers of 1-continuous rotation, 2-back-up tong, 3-base, 4-the first gripper shoe, 5-the second gripper shoe, 6-hydraulic motor, 7-casing, 8-duplex assembly, 9-line shaft assembly, 10-Connection Block assembly, 11-rotary cylinder assembly, 12-suspends rod assembly in midair, 13-the first hydraulic clamping cylinder, 14-hydraulic cylinder leg, 15-gear wheel, 16-idle wheel assembly, the universal outstanding guide wheel of 17-, 18-roller mount, 19-the first outer ring and roll assembly, 20-the second hydraulic clamping cylinder, 21-hydraulic cylinder leg assembly, 22-connecting rod ASSY, 23-measuring arm of force, 24-the second outer ring and roll assembly, 25-the first sprocket assemblies, 26-buffer, 27-chain stretching device, 28-the second sprocket assemblies.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, further illustrate the present invention.

A kind of 360 ° of continuous rotation high pulling torque thread screw on and-off machine as shown in Figures 1 to 4, are comprised of the main pincers 1 of continuous rotation, back-up tong 2 and base 3; The main pincers 1 of continuous rotation, back-up tong 2 are arranged on base 3 two ends by the first gripper shoe 4, the second gripper shoe 5 respectively; The main pincers 1 of continuous rotation comprise hydraulic motor 6, casing 7, duplex assembly 8, line shaft assembly 9, Connection Block assembly 10, rotary cylinder assembly 11, suspention rod assembly 12, the first hydraulic clamping cylinder 13, hydraulic cylinder leg 14, gear wheel 15, idle wheel assembly 16 and universal outstanding guide wheel 17; Casing 7 one side connecting fluid pressure motors 6, opposite side connects the first gripper shoe 4; Hydraulic motor 6 is connected with line shaft assembly 9; Duplex assembly 8 is connected with line shaft assembly 9; Connection Block assembly 10 one end connect base 3, and the other end connects gear wheel 15; Rotary cylinder assembly 11 is connected with gear wheel 15, wherein by suspention rod assembly 12, is fixedly connected with the first gripper shoe 4 with universal outstanding guide wheel 17; The first hydraulic clamping cylinder 13 is arranged on hydraulic cylinder leg 14 and with rotary cylinder assembly 11 and is connected; Idle wheel assembly 16 is connected with gear wheel 15 with duplex assembly 8 respectively; Back-up tong 2 comprises roller mount 18, the first outer ring and roll assembly 19, the second hydraulic clamping cylinder 20, hydraulic cylinder leg assembly 21, connecting rod ASSY 22, measuring arm of force 23 and the second outer ring and roll assembly 24; The first outer ring and roll assembly 19 is arranged on roller mount 18 1 side bottoms, and wherein roller mount 18 opposite sides are connected with second gripper shoe 5 one end; The second hydraulic clamping cylinder 20, measuring arm of force 23 and the second outer ring and roll assembly 24 are connected with cylinder pressure bracket assembly 21 and are arranged on second gripper shoe 5 other ends, and wherein connecting rod ASSY 22 one end are connected with measuring arm of force 23; Base 3 comprises the first sprocket assemblies 25, buffer 26, chain stretching device 27 and the second sprocket assemblies 28; The first sprocket assemblies 25, chain stretching device 27 are arranged on the inner one end of base 3, and the second sprocket assemblies 28 is arranged on the inner other end of base 3; Buffer 26 is arranged on base 3 tops.

Preferred back-up tong 2 is arranged on buffer 26 centres on base 3, and wherein back-up tong 2 displacements are 0.5m～3m.

Preferred hydraulic motor 6 is crankshaft connecting rod type radial plunger type motor, and wherein quantity at least arranges 2.

Preferred back-up tong 2 is arranged on buffer 26 centres on base 3, and wherein back-up tong 2 displacements are 1m～2.4m.

Embodiment

In the present invention, the main pincers 1 of continuous rotation carry out the clamping of box cupling and are rotated, by hydraulic motor 6, drive, wherein the power of hydraulic motor 6 outputs passes to duplex assembly 8 by line shaft assembly 9, duplex assembly 8 passes to idle wheel assembly 16, and idle wheel assembly 16 drives gear wheel 15 rotations and passes to casing coupling by Hubei Province plate, pincers tooth.

Wherein, the rotation clamping mode of the main pincers 1 of continuous rotation is, four the first hydraulic clamping cylinders 13 are fixed on hydraulic cylinder leg 14 with gear wheel 15, gear wheel 15 rotarily drives hydraulic cylinder leg 14 rotations, and then drive four the first hydraulic clamping cylinders 13 to rotate (360 °), hydraulic cylinder leg 14 is fixed on rotary cylinder assembly 11, rotary cylinder assembly 11 rotates with gear wheel 1 simultaneously and hydraulic oil is supplied with to hydraulic motor 6, and hydraulic motor 6 is all given four the first hydraulic clamping cylinders 13 by hydraulic oil, complete synchronous clamping; The clamping mode of back-up tong 2 is that hydraulic oil is all given four the second hydraulic clamping cylinders 20 by hydraulic motor 6, completes synchronous clamping.

Wherein, carry out thread screw on and-off machine moment of torsion while transferring the files (high and low moment of torsion switches), by controlling the duty of hydraulic motor 6 quantity; During upper, shackle, adjust respectively four the second hydraulic clamping cylinder 20 clamping pressures that arrange on four the first hydraulic clamping cylinders 13 arranging on the main pincers 1 of continuous rotation and back-up tong 2, make four the first hydraulic clamping cylinders 13 and four the second hydraulic clamping cylinders 20 clamp respectively body, now after completing and transferring the files and select, hydraulic motor 6 drives the main pincers 1 of continuous rotation to carry out forward and backward operation, completes, shackle moves.

The present invention is reasonable in design, operating efficiency is high, long service life, meets processing enterprise's production and processing demand, has guaranteed the safety of oil drilling tools processing work.

The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, and these improvement also should be considered as protection scope of the present invention.

Claims

1. A 360° continuous rotation high-torque screwing machine, characterized in that: it is composed of a continuous rotation main tong (1), a back tong (2) and a base (3); the continuous rotation of the main tong (1), the back tong The tongs (2) are respectively arranged on both ends of the base (3) through the first support plate (4) and the second support plate (5); the continuous rotating main tongs (1) include a hydraulic motor (6), a box (7 ), duplex assembly (8), power shaft assembly (9), connecting seat assembly (10), rotary cylinder assembly (11), suspension rod assembly (12), first hydraulic clamping cylinder ( 13), hydraulic cylinder support (14), large gear (15), intermediate wheel assembly (16) and universal suspension guide wheel (17); one side of the box (7) is connected to the hydraulic motor (6), and the other One side is connected to the first support plate (4); the hydraulic motor (6) is connected to the power shaft assembly (9); the duplex assembly (8) is connected to the power shaft assembly (9); the connection One end of the seat assembly (10) is connected to the base (3), and the other end is connected to the large gear (15); the rotary cylinder assembly (11) is connected to the large gear (15), and the suspension rod assembly (12) and The universal suspension guide wheel (17) is fixedly connected with the first support plate (4); the first hydraulic clamping cylinder (13) is arranged on the hydraulic cylinder bracket (14) and connected with the rotary cylinder assembly (11); The intermediate wheel assembly (16) is respectively connected with the duplex assembly (8) and the large gear (15); the back tong (2) includes a roller seat (18), a first roller needle bearing (19), The second hydraulic clamping cylinder (20), the hydraulic cylinder bracket assembly (21), the connecting rod assembly (22), the force measuring arm (23) and the second roller needle bearing (24); the first roller roller The needle bearing (19) is arranged at the bottom of one side of the roller seat (18), and the other side of the roller seat (18) is connected to one end of the second support plate (5); the second hydraulic clamping cylinder (20), force measuring The arm (23) and the second roller needle roller bearing (24) are connected with the cylinder bracket assembly (21) and arranged at the other end of the second support plate (5), and one end of the connecting rod assembly (22) is connected with the force measuring arm ( 23) Connection; the base (3) includes a first sprocket assembly (25), a buffer device (26), a chain tensioning device (27) and a second sprocket assembly (28); the first chain The wheel assembly (25) and the chain tensioning device (27) are set at one end inside the base (3), and the second sprocket assembly (28) is set at the other end inside the base (3); the buffer device (26) is set above the base (3).

2. A 360° continuous rotation high-torque screwing machine according to claim 1, characterized in that: the back tong (2) is installed in the middle of the buffer device (26) on the base (3), wherein the back tong ( 2) The moving distance is 0.5m~3m.

3. A 360° continuous rotation high-torque screwing machine according to claim 1, characterized in that: the hydraulic motor (6) is a crankshaft connecting rod type radial piston hydraulic motor.