CN201306134Y

CN201306134Y - Welded dead line fixer installed on oil rig derrick

Info

Publication number: CN201306134Y
Application number: CNU2008201933947U
Authority: CN
Inventors: 冀玉松; 唐启林; 程云琦; 张徐文
Original assignee: HUBEI JIANGHAN PETROCHEMICAL INSTRUMENT INSTRUMENT CO Ltd
Current assignee: Hubei Jianghan Petroleum Instrument & Meter Co., Ltd.
Priority date: 2008-12-03
Filing date: 2008-12-03
Publication date: 2009-09-09
Anticipated expiration: 2018-12-03

Abstract

The utility model relates to a welded dead line fixer installed on an oil rig derrick, which comprises a fixing base, a sheave, a shaft, a bearing, a compacting block, a line clip, a sensor, a standard fastener and other auxiliary pieces. The base is made of steel plates through welding; and the sheave is made of a steel plate and a wheel core through welding. The welded dead line fixer installed on the oil rig derrick has the advantages that the difficulties in defect detection and control of the base and the sheave of the welded dead line fixer are reduced; the cost of the welded dead line fixer is reduced; the product yield is improved; and the design safety factors of the dead line fixer are ensured.

Description

The welding dead line anchor of installing on the oil-well rig boring tower

Technical field

The utility model relates to oil drilling, geological drilling and recovers the oil with rig boom hoist cable fixed end fastener, belongs to drilling well and oil recovery lifting means, is specifically related to the welding dead line anchor of installing on a kind of oil-well rig boring tower.

Background technology

The wire rope that the rig boom hoist cable is fixed an end is commonly called as dead line.Dead line anchor is equipped with two kinds of forms on the oil-well rig, a kind of being installed on the oil-well rig rig floor table top, and another kind is installed in derrick inboard, oil-well rig rig floor top.The utility model at be that the dead line anchor installed on the oil-well rig boring tower is mounted in the fastener that is used for fixing rig boom hoist cable fixed end on the derrick inboard, oil-well rig rig floor top, its effect one is fixing rig boom hoist cable, the 2nd, when rig boom hoist cable load,, make sensor output pressure signal to the dead line anchor member sensor application of force.Existing dead line anchor is made of holder, rope sheave, axle, bearing, compact heap, wire clips, sensor, standard fasteners and other auxiliary tools, because of holder and rope sheave shape comparatively complicated, at present, general manufacturer all adopts monoblock cast to form, because there is more problem in known foundry engieering for the control and the detection of casting flaw, casting flaw is present in foundry goods in various degree, and the design safety factor that detects cost increase, product percent of pass decline, dead line anchor is descended.

Summary of the invention

The utility model is in order to overcome the deficiency that base and rope sheave monoblock cast defective are brought, the welding of installing on a kind of oil-well rig boring tower dead line anchor is provided, holder adopts welded-steel plate construction in this welding dead line anchor, rope sheave adopts steel plate and core wheel Combination Welding structure, core wheel casting or Combination Welding form, because the defective of steel plate manufacturing technology is much smaller than foundry engieering, Detection ﹠ Controling that so detection and the control to casting flaw can be improved to butt welded seam, make the Detection ﹠ Controling difficulty and the cost of defective descend, product percent of pass rises, and when adopting the low temperature steel plate, the low-temperature impact work Ak of material can be by a relatively large margin increase, the design safety factor under the dead line anchor low temperature environment can be guaranteed.

The technical scheme that its technical problem that solves the utility model adopts is:

The welding dead line anchor of installing on the oil-well rig boring tower, by holder, rope sheave, hexagon-headed bolt, sensor, sealing ring, piston ring, weather strip, bearing, axle, round nut, retaining ring for shaft shoulder, end cap, compact heap, wire clips, straight pin, isometric studs, hex nut, limited block, straight is pressed into lubricating cup and assembles, the rope sheave interstitial hole of after assembling is packed in the rope sheave interstitial hole annular groove with piston ring bearing outer ring being packed into, refill sealing ring as a bare bones, bearing inner race pack into axle as another bare bones after packing in the holder mider hole with axle, with a bare bones upper bearing (metal) outer ring with after another bare bones upper bearing (metal) inner ring is meshed along the axis direction again on the inner ring embedded axle with another supplementary bearing, with retaining ring for shaft shoulder, round nut is packed into and is screwed round nut behind the axle; End cap dress weather strip, straight are fastened on the end face of rope sheave mider hole with hexagon-headed bolt after being pressed into lubricating cup; Sensor connects at holder, rope sheave opening part with another hexagon-headed bolt; Limited block restriction opening size, limited block is connected with holder intersection area weld seam; It is also tight along screwing in the hole at place that another hexagon-headed bolt penetrates the rope sheave wheel; Straight pin is contained in rope sheave wire clips place, and wire clips is packed into and is fastened on rope sheave wire clips place with isometric studs, hex nut in the compact heap.Structure is seen Fig. 1 a, Fig. 1 b.

Described holder is welded by fixed head, fixed hub, top board, short perpendicular muscle, diagonal bar, the long perpendicular muscle assembling of processing in advance or cutting back machine-shaping, the assembling welding is a bare bones with the fixed head, fixed hub is connected with fixed head with weld seam after embedding in the fixed head mider hole, short perpendicular muscle, diagonal bar and long perpendicular muscle all are connected with the fixed head weld seam, and short perpendicular muscle, long perpendicular muscle are connected with the diagonal bar weld seam respectively, and top board is connected with the intersection area weld seam with fixed head, short perpendicular muscle and long perpendicular muscle.Holder 1 structure is seen Fig. 2 a, Fig. 2 b.

Described rope sheave is welded by wire clips base plate, core wheel, sensor base plate, and wherein core wheel is that casting or Combination Welding form, and wire clips base plate, sensor base plate are sub-assembly, are welded by the sub-member of processing or cut back machine-shaping in advance; Rope sheave assembling welding is a bare bones with the core wheel, and wire clips base plate and sensor base plate are set in core wheel two terminal circle boss each carries out weld seam with weld seam and is connected.Rope sheave 2 structures are seen Fig. 3 a, Fig. 3 b.

Described wire clips base plate is to be formed by connecting with butt weld after the complete circle by wire clips fixed head and wheel sheet alignment circular arc.Wire clips base plate 28 structures are seen Fig. 4 a, Fig. 4 b.

Described sensor base plate is welded by sensor side plate, long support, lower platen, temple, short support, diagonal brace, sensor base plate assembling welding is a bare bones with the sensor side plate, long support, short support, diagonal brace are connected with the sensor side plate welding seams respectively with temple at opposite side, and long support, short support are connected with the diagonal brace weld seam respectively, and lower platen is connected with the intersection area weld seam with temple with sensor side plate, long support, short support respectively.The sensor structure support plate is seen Fig. 5 a, Fig. 5 b, Fig. 5 c.

The beneficial effects of the utility model are: the Detection ﹠ Controling difficulty of dead line anchor member holder, rope sheave defective and cost descend, and product percent of pass rises, and the dead line anchor design safety factor is guaranteed.

Description of drawings

Fig. 1 a is a structural representation of the present utility model.

Fig. 1 b is a structure A-A sectional view of the present utility model.

Fig. 2 a is a fixed seat structure schematic diagram of the present utility model.

Fig. 2 b is a fixed seat structure lateral view of the present utility model.

Fig. 3 a is a rope sheave structural representation of the present utility model.

Fig. 3 b is a rope sheave structure vertical view of the present utility model

Fig. 4 a is a wire clips structure support plate schematic diagram of the present utility model.

Fig. 4 b is a wire clips structure support plate lateral view of the present utility model.

Fig. 5 a is a sensor structure support plate schematic diagram of the present utility model.

Fig. 5 b is a sensor structure support plate B-B sectional view of the present utility model.

Fig. 5 c is that sensor structure support plate A of the present utility model is to view.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

The utility model dead line anchor is by holder 1, rope sheave 2, hexagon-headed bolt (3,5,14), sensor 4, sealing ring 6, piston ring 7, weather strip 8, bearing 9, axle 10, round nut 11, retaining ring for shaft shoulder 12, end cap 13, compact heap 15, wire clips 16, straight pin 17, isometric studs 18, hex nut 19, limited block 20, straight is pressed into lubricating cup 21 and assembles, rope sheave 2 interstitial holes of after assembling is packed in the rope sheave 2 interstitial hole annular grooves with piston ring 7 bearing 9 outer rings being packed into, refill sealing ring 6 as a bare bones, after packing in holder 1 mider hole with axle 10 with the inner ring embedded axle of bearing 9 10 as another bare bones, with a bare bones upper bearing (metal) 9 outer rings with after another bare bones upper bearing (metal) 9 inner rings are meshed along axle 10 axis directions again on the inner ring embedded axle 10 with another supplementary bearing 9, with retaining ring for shaft shoulder 12, round nut 11 axle of packing into screws round nut 11 after 10; End cap 13 dress weather strips 8, straight are pressed into lubricating cup 21 backs and are fastened on the end face of rope sheave 2 mider holes with hexagon-headed bolt 14; Another hexagon-headed bolt 3 of sensor 4 usefulness connects at holder 1, rope sheave 2 opening parts; Limited block 20 limits opening sizes, and is connected with holder 1 crossing connecting portion weld seam; Another hexagon-headed bolt 5 penetrates rope sheave 2 and takes turns along screwing in the hole at place also tight; Straight pin 17 is contained in rope sheave 2 wire clips places, and wire clips 16 is packed into and is fastened on rope sheave 2 wire clips places with isometric studs 18, hex nut 19 in the compact heap 15.Need to prove, when rig tightens dead line, earlier dead line anchor is installed and be fastened on the drilling derrick, pull down another hexagon-headed bolt 5, dead line is twined 3 circle backs along rope sheave 2 groovings clamp in the compact heap 15 of packing into behind the dead line with wire clips 16 and be fastened on rope sheave 2 wire clips places with isometric studs 18, hex nut 19, the another hexagon-headed bolt 5 that will pull down again reduces.Structure is seen Fig. 1 a, Fig. 1 b.

Holder 1 is welded by fixed head 22, fixed hub 23, top board 24, short perpendicular muscle 25, diagonal bar 26, long perpendicular muscle 27 assemblings of processing in advance or cutting back machine-shaping, the assembling welding is a bare bones with fixed head 22, fixed hub 23 is connected with fixed head 22 with 2 weld seams after embedding in fixed head 22 mider holes, short perpendicular muscle 25, diagonal bar 26 and long perpendicular muscle 27 all are connected with fixed head 22 weld seams, and short perpendicular muscle 25, long perpendicular muscle 27 are connected with diagonal bar 26 weld seams simultaneously, and top board 24 is connected with the intersection area weld seam with fixed head 22, short perpendicular muscle 25 and long perpendicular muscle 27.Holder 1 structure is seen Fig. 2 a, Fig. 2 b.

Rope sheave 2 is welded by wire clips base plate 28, core wheel 29, sensor base plate 30, wherein core wheel 29 is that casting or Combination Welding form, wire clips base plate 28, sensor base plate 30 are sub-assembly, are welded by the sub-member of processing or cut back machine-shaping in advance; Rope sheave 2 assembling welding is a bare bones with core wheel 29, and wire clips base plate 28 and sensor base plate 30 are set in core wheel 29 two terminal circle boss each carries out weld seam with 2 weld seams and is connected.Rope sheave 2 structures are seen Fig. 3 a, Fig. 3 b.

Wire clips base plate 28 is to be formed by connecting with 2 butt welds after the complete circle by wire clips fixed head 31 and wheel sheet 32 alignment circular arcs.Wire clips base plate 28 structures are seen Fig. 4 a, Fig. 4 b.

Sensor base plate 30 is welded by sensor side plate 33, long support 34, lower platen 35, temple 36, short support 37, diagonal brace 38, the 30 assembling welding of sensor base plate are bare bones with sensor side plate 33, long support 34, short support 37, diagonal brace 38 all are connected with sensor side plate 33 weld seams with temple 36 at opposite side, and long support 34, short support 37 are connected with diagonal brace 38 weld seams simultaneously, and lower platen 35 and sensor side plate 33, long support 34, weak point support 37 and be connected with the intersection area weld seam with temple 36.Sensor base plate 30 structures are seen Fig. 5 a, Fig. 5 b, Fig. 5 c.

Claims

1, the welding dead line anchor of installing on the oil-well rig boring tower, by holder, rope sheave, hexagon-headed bolt, sensor, sealing ring, piston ring, weather strip, bearing, axle, round nut, retaining ring for shaft shoulder, end cap, compact heap, wire clips, straight pin, isometric studs, hex nut, limited block, straight is pressed into lubricating cup and assembles, the rope sheave interstitial hole of after assembling is packed in the rope sheave interstitial hole annular groove with piston ring bearing outer ring being packed into, refill sealing ring as a bare bones, bearing inner race pack into axle as another bare bones after packing in the holder mider hole with axle, with a bare bones upper bearing (metal) outer ring with after another bare bones upper bearing (metal) inner ring is meshed along the axis direction again on the inner ring embedded axle with another supplementary bearing, with retaining ring for shaft shoulder, round nut is packed into and is screwed round nut behind the axle; End cap dress weather strip, straight are fastened on the end face of rope sheave mider hole with hexagon-headed bolt after being pressed into lubricating cup; Sensor connects at holder, rope sheave opening part with another hexagon-headed bolt, and limited block is connected with holder intersection area weld seam; It is also tight along screwing in the hole at place that another hexagon-headed bolt penetrates the rope sheave wheel; Straight pin is contained in rope sheave wire clips place, and wire clips is packed into and is fastened on rope sheave wire clips place with isometric studs, hex nut in the compact heap, it is characterized in that: base adopts steel plate to be welded, and rope sheave adopts steel plate and core wheel Combination Welding to form.

2, welding dead line anchor according to claim 1, it is characterized in that: described holder is welded by fixed head, fixed hub, top board, short perpendicular muscle, diagonal bar, the long perpendicular muscle assembling of processing in advance or cutting back machine-shaping, the assembling welding is a bare bones with the fixed head, fixed hub is connected with fixed head with weld seam after embedding in the fixed head mider hole, short perpendicular muscle, diagonal bar and long perpendicular muscle all are connected with the fixed head weld seam, and short perpendicular muscle, long perpendicular muscle are connected with the diagonal bar weld seam respectively, and top board is connected with the intersection area weld seam with fixed head, short perpendicular muscle and long perpendicular muscle.

3, welding dead line anchor according to claim 1, it is characterized in that: described rope sheave is welded by wire clips base plate, core wheel, sensor base plate, wherein core wheel is that casting or Combination Welding form, and wire clips base plate, sensor base plate are welded by the sub-member of processing in advance or cutting back machine-shaping; Rope sheave assembling welding is a bare bones with the core wheel, and wire clips base plate and sensor base plate are set in core wheel two terminal circle boss each carries out weld seam with weld seam and is connected.

4, welding dead line anchor according to claim 3 is characterized in that: described wire clips base plate is to be formed by connecting with butt weld after the complete circle by wire clips fixed head and wheel sheet alignment circular arc.

5, welding dead line anchor according to claim 3, it is characterized in that: the sensor base plate of stating is welded by sensor side plate, long support, lower platen, temple, short support, diagonal brace, sensor base plate assembling welding is a bare bones with the sensor side plate, long support, short support, diagonal brace are connected with the sensor side plate welding seams respectively with temple at opposite side, and long support, short support are connected with the diagonal brace weld seam respectively, and lower platen is connected with the intersection area weld seam with temple with sensor side plate, long support, short support respectively.