CN104535428B - Safety protecting device for ultrahigh-pressure water pressure test of downhole tool - Google Patents
Safety protecting device for ultrahigh-pressure water pressure test of downhole tool Download PDFInfo
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- CN104535428B CN104535428B CN201410815317.0A CN201410815317A CN104535428B CN 104535428 B CN104535428 B CN 104535428B CN 201410815317 A CN201410815317 A CN 201410815317A CN 104535428 B CN104535428 B CN 104535428B
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Abstract
The invention relates to a safety protecting device for an ultrahigh-pressure water pressure test of a downhole tool, which is mainly used for solving the problems that when an existing downhole tool is used for the water pressure test, operators need to get into and get out of pits frequently, and the downhole tool descends and ascends the pit frequently. The safety protecting device is characterized in that protecting cover plate mechanisms (3) are fixed at the front side and the rear side of a frame box body (1); platform lifting mechanisms (4) are fixed at the left and right sides in the frame box body (1); the upper parts of the platform lifting mechanisms (4) are connected with lifting platforms (5); safety slide supporting mechanisms (2) are fixed on the left and right sides of the upper part of the frame box body (1) via vertical columns and are positioned at two sides of the lifting platforms (5). The safety protecting device for the ultrahigh-pressure water pressure test of the downhole tool can enable the ultrahigh-pressure water pressure test process of the downhole tool to be in the safety environment, moreover shortens the auxiliary operation time greatly, reduces the labor intensity of operators, and saves space.
Description
Technical field：
The present invention relates to oilfield, specifically a kind of protection for downhole tool ultra high water pressure experimental safe fill
Put.
Background technology：
The test pressure of most downhole tool hydraulic pressure detections is relatively low at present, is usually no more than 30MPa, for this kind of work
The hydraulic pressure detection test of tool can be fixed using ground clamp, carries out under the protection of simple division board.This kind of water pressure test behaviour
Make mode operating efficiency higher, as long as operating personnel would not cause danger to operating personnel away from testing ground.
But the super-pressure for part downhole tool (100MPa about) hydraulic pressure detection test, then it is usually in melt pit
Carry out.Detected downhole tool is installed by operating personnel first；With crane, its movement is transferred to test melt pit；Determining
On the premise of safety, under operating personnel, enter connection water pressure test pipeline in melt pit；Again above to ground after connecting, the personnel for the treatment of withdraw
After in place of safety, operate pressure testing pump startup, and then complete hydraulic pressure detection process of the test.Work under this high-potting environment
Make, need staff frequently upper and lower between ground and melt pit, will enter and propose melt pit under downhole tool, therefore test assisted
The time that journey spends is long, and operating personnel are also inconvenient with ground staff's exchange of information in melt pit simultaneously, there is safety hidden
Suffer from.
Content of the invention：
Above-mentioned in existing technology in order to overcome the shortcomings of, the present invention provides a kind of downhole tool ultra high water pressure test peace
Full protection device, the ultra high water pressure of downhole tool can be tested by this downhole tool ultra high water pressure experimental safe protector
Journey is placed under security context, and greatly reduces overhead time, reduces the labour intensity of operating personnel, save space.
The technical scheme is that：A kind of downhole tool ultra high water pressure experimental safe protector, including skeletal container
Body, the both sides in front and back of described framework box body are fixed with protective cover plate mechanism, and the internal left and right sides of framework box body is fixed with platform
Elevating mechanism, platform lifting mechanism top is connected with hoistable platform, and it is solid that column is passed through in the described framework box body top left and right sides
Surely there is slide supporting mechanism, and slide supporting mechanism is located at the both sides of hoistable platform；
It is respectively fixed with guide upright post, the guide upright post on each side wall on former and later two side walls of described framework box body
For two and symmetrical；
Described slide supporting mechanism includes supporting installing rack, supporting cylinder, and described support installing rack welds
In framework box body, installing rack internal slide is supported to be connected with support slipper, one end of support slipper and the support of horizontal direction
Hydraulic cylinder is connected；
Described protective cover plate mechanism includes protective cover plate, cover plate hydraulic cylinder, and described protective cover plate top is closed by cover plate
Leaf is connected in framework box body, and before and after described framework box body bottom, the corresponding protective cover plate center in both sides is respectively fixed with cover plate
Hydraulic cylinder bottom support bracket, and cover plate hydraulic cylinder bottom holder top is hinged with cover plate Barrel of Hydraulic Cylinders, the top of cover plate hydraulic cylinder
Piston rod is hinged on protective cover plate；
Described hoistable platform includes hoistable platform main body frame, steel wire rope guiding mechanism, described steel wire rope Guiding machine
Structure is separately fixed at the left and right two ends of hoistable platform main body frame, and the left and right two ends of hoistable platform main body frame are further fixed on platform
Lifting guide mechanism, and lifting platform guiding mechanism contacted with the guide upright post in framework box body, described hoistable platform master
Body framework upper is fixed with two clamping mechanisms；
Described platform lifting mechanism is two groups, is fixed on the left and right two of hoistable platform respectively by lifting platform hydraulic cylinder
Side, every group platform elevating mechanism includes fixed pulley group, steel wire rope, movable pulley, hoisting cross beam respectively, and described hoisting cross beam connects
On the piston rod of lifting platform hydraulic cylinder, hoisting cross beam be respectively fixed at two ends with movable pulley, described fixed pulley group is fixed
At framework box body top；Described steel wire rope is two, and one end of two steel wire ropes is separately fixed on hoisting cross beam, bypasses dynamic
Pulley and fixed pulley group, after the steel wire rope guiding mechanism crossed on hoistable platform, the other end of two steel wire ropes passes through rigging
Screw-button connects.
Described clamping mechanism includes the clamp camber beam of C-shaped, and the bottom of clamp camber beam is provided with recessed clamp seat, clamp seat
Hoistable platform top is fixed on by the clamp installing rack of bottom, described clamp camber beam top is fixed with the screw thread of vertical direction
Set, thread bush is internally connected with adjusting screw rod, and the lower end of adjusting screw rod is fixed with the stapling head of fovea superior, and described stapling head position
Put corresponding with clamp seat.
Described lifting platform guiding mechanism includes guiding mechanism installing plate, lifting directive wheel, and described guiding mechanism is pacified
Dress plate is L-shaped, and integral solder is on hoistable platform, and is connected to directive wheel installing plate A, B on two sides of L-shaped, guiding
The two lifting directive wheels arranged up and down are connected on wheel installing plate A, B.
Described steel wire rope guiding mechanism is four, and about hoistable platform, two ends are each fixes two, steel wire rope guiding mechanism
Including installing plate, installing plate is vertically fixed on the bottom surface of hoistable platform, and the two sides of installing plate are respectively fixed with guiding wheeling support,
Respectively directive wheel is connected with by directive wheel bearing pin on guiding wheeling support, and two directive wheel directions are perpendicular.
Described hoisting cross beam includes two parallel crossbeam mainboards of vertical direction, passes through respectively to add between crossbeam mainboard
Strong gusset A, B connect, the crossbeam adapter sleeve being fixedly arranged in the middle of vertical direction of two crossbeam mainboards, the left and right on crossbeam mainboard top
It is respectively fixed at two ends with movable pulley installing plate.
The present invention has the advantages that：Due to taking such scheme, controlled hoistable platform lifting and prevented by hydraulic cylinder
The switch of protecting cover plate, it is to avoid operating personnel, by frequently upper and lower on melt pit, greatly reduce the ultra high water pressure examination of downhole tool
Test the non-cutting time of process and the additional effort of operating personnel；Meanwhile, protective cover plate is closed at the trial, can fully protect
Personnel during confirmatory test, the safety of equipment；Do not need extra equipment to ensure safety, decrease ground safeguard
Expense and taking up room.
Brief description
Fig. 1 is the front view of the present invention；
Fig. 2 is the left view of the present invention；
Fig. 3 is the front view of framework box body；
Fig. 4 is the left view of framework box body；
Fig. 5 is the front view of slide supporting mechanism；
Fig. 6 is the top view of slide supporting mechanism；
Fig. 7 is the left view of slide supporting mechanism；
Fig. 8 is schematic diagram when slide block stretches out in slide supporting mechanism；
The front view of Tu9Shi protective cover plate mechanism；
Figure 10 is the left view of protective cover plate mechanism；
Figure 11 is the front view of protective cover plate；
Figure 12 is the left view of protective cover plate；
Figure 13 is the structural representation of platform lifting mechanism；
Figure 14 is the front view of fixed pulley group；
Figure 15 is the left view of fixed pulley group；
Figure 16 is the structural representation of movable pulley；
Figure 17 is the front view of hoisting cross beam；
Figure 18 is the top view of hoisting cross beam；
Figure 19 is the front view of hoistable platform；
Figure 20 is the left view of hoistable platform；
Figure 21 is the top view of hoistable platform；
Figure 22 is the front view of steel wire rope guiding mechanism；
Figure 23 is the left view of steel wire rope guiding mechanism；
Figure 24 is the front view of clamping mechanism；
Figure 25 is the left view of clamping mechanism；
Figure 26 is the front view of lifting platform guiding mechanism；
Figure 27 is the left view of lifting platform guiding mechanism；
Figure 28 is the hydraulic schematic diagram of the present invention.
In figure 1- framework box body, 2- slide supporting mechanism, 3- protective cover plate mechanism, 4- platform lifting mechanism, 5- liter
Fall platform, 6- top frame, 7- under(-)chassis, 8- front-back column, 9- about face backplate, 10- guide upright post, 11- about face
Column, 12- front-back backplate 13- supporting cylinder, 14- supports installing rack, 15- support slipper, 16- bolt, 17- protective cover
Plate, 18- cover plate hydraulic cylinder, 19- cover plate hydraulic cylinder bottom support bracket, 20- cover plate main body framework, 21- cover plate hinge, 23- cover plate liquid
Cylinder pressure bearing installing plate, 26- cover plate hinge installing plate, product bearing on 27- cover plate hydraulic cylinder, 28- fixed pulley group, 29- steel wire rope,
30- running block, 31- hexagon socket head cap screw, 32- wire tensioner, 33- oil cylinder bolt, 34- hoisting cross beam, 35- lifting platform liquid
Cylinder pressure, 36- pulley, 37- bearing, 38- axle sleeve, 40- fixed pulley heart axle, 41- installing plate, 43- fixed pulley bearing, 46- movable pulley
Installing plate, 47- reinforcement gusset A, 48- crossbeam adapter sleeve, 49- crossbeam mainboard, 50- reinforcement gusset B, 51- steel wire rope guiding mechanism,
52- hoistable platform main body frame, 53- clamping mechanism, 54- platform checkered plates, 55- lifting platform guiding mechanism, 56- directive wheel
Bearing, 57- directive wheel bearing pin, 58- split pin, 59- directive wheel, 60- steel wire rope guiding mechanism installing plate, 61- thread bush, 62-
Clamp camber beam, 63- adjusting screw rod, 64- stapling head, 65- clamp seat, 66- clamp seat bolt, 67- clamp mounting rail, 68- lifts
Directive wheel, 70- guiding mechanism installing plate, 71- directive wheel installing plate A, 72- directive wheel installing plate B, 73- accumulator, 74- accumulation of energy
Device switch valve, 75- overflow valve, 76- hydraulic pump, 77- filter, 78- fuel tank, 79- pressure gauge, 80- pressure sensor, 81- electricity
Motivation, 82- temperature sensor, 83- flow divider-combiner, 84- bidirectional hydraulic lock, 85- one-way throttle valve, 86- lifting platform controls
Valve, 87- hydraulic lock, 88- protective cover plate switching control pilot A, 89- protective cover plate switching control pilot B, 90- slide supports control
Valve A processed, 91- slide support and control valve B.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
By shown in Fig. 1 to Figure 27, a kind of downhole tool ultra high water pressure experimental safe protector, including framework box body 1,
Before and after described framework box body 1, both sides are fixed with protective cover plate mechanism 3, and the internal left and right sides of framework box body 1 is fixed with platform
Elevating mechanism 4, platform lifting mechanism 4 top is connected with hoistable platform 5, and the described framework box body 1 top left and right sides is passed through vertical
Post is fixed with slide supporting mechanism 2, and slide supporting mechanism 2 is located at the both sides of hoistable platform 5.Below to this protection
Device is specifically described.
Described framework box body 1 main body adopts channel-section steel welding structure, mainly includes rectangular top frame 6, bottom frame
Frame 7, is respectively fixed with front-back column 8 and left and right face column 11, plays bracing reinforcement between top frame 6 and under(-)chassis 7
Effect, and both sides are welded with front-back backplate 12 in front and back, and the left and right sides is welded with left and right face backplate 9.Described skeletal container
It is respectively fixed with guide upright post 10, guide upright post 10 is also channel-section steel, the guiding on each side wall is stood on former and later two side walls of body 1
Post 10 is two, and symmetrical.Described slide supporting mechanism 2 is two groups, includes respectively supporting installing rack 14, supports
Hydraulic cylinder 13, the described left and right sides supporting installing rack 14 to be welded on framework box body 1, thus by slide supporting mechanism 2
It is fixed in framework box body 1.Installing rack 14 internal slide is supported to be connected with the support slipper 15 of horizontal direction, support slipper 15
One end is connected with supporting cylinder 13, and supporting cylinder 13 is fixed on support installing rack 14 by bolt 16, so, support hydraulic pressure
The piston rod of cylinder 13 stretches out or retracts and support slipper 15 just can be driven to stretch out or retract.Support slipper 15 may be supported on when stretching out
Below hoistable platform 5 or protective cover plate 17, that is, when 5 liters of hoistable platform from, support slipper 15 is supported on below hoistable platform 5,
Prevent hoistable platform 5 automatic descending；When protective cover plate 17 is closed, support slipper 15 keeps off below protective cover plate 17, this portion
Can be described after point.
Described protective cover plate mechanism 3 is two groups, includes protective cover plate 17, cover plate hydraulic cylinder 18 respectively, described protection
Cover plate 17 mainly includes cover plate main body framework 20, cover plate hinge 21, and cover plate main body framework 20 is mainly welded using channel-section steel, and
And outer wrap has checkered plates.Cover plate hinge installing plate 26, cover plate are fixed with the one side on the long side of cover plate main body framework 20
Cover plate hinge 21 is fixed with hinge installing plate 26, second half of cover plate hinge 21 is fixed in framework box body 1, so, protection
Cover plate 17 just can rotate around cover plate hinge 21 in the presence of external force.Cover plate main body framework 20 middle inside is fixed with cover plate liquid
Cylinder pressure bearing installing plate 23, cover plate hydraulic cylinders bearing installing plate 23 is fixed with cover plate hydraulic cylinder upper seat 27, described frame
The under(-)chassis 7 of frame casing 1 be fixedly arranged in the middle of cover plate hydraulic cylinder bottom support bracket 19, described cover plate hydraulic cylinder 18 cylinder barrel is hinged
On cover plate hydraulic cylinder bottom support bracket 19, piston rod is hinged on cover plate hydraulic cylinder upper seat 27, such cover plate hydraulic cylinder 18
Piston rod stretch and protective cover plate 17 just can be driven to overturn, when two protective cover plates 17 holding horizontal direction, by skeletal container
Body 1 closed upper part, when falling back to vertical direction under two protective cover plates 17, framework box body 1 top is opened.
Described hoistable platform 5 includes hoistable platform main body frame 52, steel wire rope guiding mechanism 51, hoistable platform body frame
Frame 52 main body is welded for channel-section steel, and upper surface is enclosed with platform checkered plates 54.Described steel wire rope guiding mechanism 51 is
Four, hoistable platform main body frame 52 about two ends are each to fix two, and steel wire rope guiding mechanism 51 includes steel wire rope guiding mechanism
Installing plate 60, directive wheel 59, steel wire rope guiding mechanism installing plate 60 is vertically fixed on the bottom surface of hoistable platform main body frame 52, steel
The two sides of cord guiding mechanism installing plate 60 are respectively fixed with guiding wheeling support 56, and guiding wheeling support 56 passes through guiding respectively
Wheel bearing pin 57 is connected with directive wheel 59, and the end of directive wheel bearing pin 57 is spacing by split pin 58, and two directive wheel 59 direction phases
Vertically, that is, one rotate in the horizontal direction, another vertically rotates.The left and right of described hoistable platform main body frame 52
Two ends are further fixed on lifting platform guiding mechanism 55, lifting platform guiding mechanism 55 be four groups, respectively with framework box body 1 on lead
Contact to column 10.Described lifting platform guiding mechanism 55 includes guiding mechanism installing plate 70, lifting directive wheel 68, described
Guiding mechanism installing plate 70 be L-shaped, integral solder is on the bottom surface of hoistable platform main body frame 52, and two sides of L-shaped point
It is not connected with directive wheel installing plate A, B, that is, directive wheel installing plate A, B direction is perpendicular.Connect respectively on directive wheel installing plate A, B
There are two arranged up and down and lift directive wheel 68, therefore, in a group platform lifting guide mechanism 55, be provided with four guiding altogether
Wheel, one group two-by-two, respectively with framework box body 1 on guide upright post 10 two contact aside, play when hoistable platform 5 lifts and lead
To effect, it is to avoid hoistable platform 5 deflection.
Described hoistable platform main body frame 52 top is fixed with two clamping mechanisms 53, and described clamping mechanism 53 includes
The clamp camber beam 62 of C-shaped, clamp mounting rail 67, the bottom of clamp camber beam 62 is provided with recessed clamp seat 65, and clamp seat 65 passes through
Clamp seat bolt 66 is fixed on the clamp installing rack 67 of bottom, and clamp installing rack 67 is fixed on hoistable platform 5 top, institute
Clamp camber beam 62 top stated is fixed with the thread bush 61 of vertical direction, and thread bush 61 is internally connected with adjusting screw rod 63, adjusts
The lower end of screw rod 63 is fixed with the stapling head 64 of fovea superior, and described stapling head 64 position and opening direction relative with clamp seat 65
Should, so, rotating adjusting screw rod 63 can be so that upper clamp 64 moves up and down, thus the downhole tool treating pressure testing is clamped.
Meanwhile, the stapling head opening direction of two groups of clamping mechanisms 53 is consistent, can downhole tool be clamped simultaneously.Described balcony lift
Structure 4 is two groups, is fixed on the left and right sides of hoistable platform 5, wherein lifting platform hydraulic pressure respectively by lifting platform hydraulic cylinder 35
The cylinder barrel of cylinder 35 is fixed on the under(-)chassis 7 of framework box body 1 by hexagon socket head cap screw 31.Every group platform elevating mechanism 4 is respectively
Including fixed pulley group 28, steel wire rope 29, movable pulley 30, hoisting cross beam 34, described hoisting cross beam 34 includes two vertical directions
Parallel crossbeam mainboard 49, and pass through respectively between crossbeam mainboard 49 to strengthen gusset A, B connection, in two crossbeam mainboards 49
Portion is fixed with the crossbeam adapter sleeve 48 of vertical direction, and the left and right on crossbeam mainboard 49 top is respectively fixed at two ends with movable pulley installing plate
46, movable pulley installing plate 46 is respectively fixed with movable pulley 30；The piston rod of described lifting platform hydraulic cylinder 35 is connected with crossbeam
Connected by oil cylinder bolt 33 between set 48, described fixed pulley group 28 is fixed on framework box body 1 top.Described fixed pulley group
28 include 43, two pulleys 36 of fixed pulley bearing, and pulley 36 center in the hole is installed with fixed pulley heart axle 40, fixed pulley heart axle 40 two ends
It is fixed on fixed pulley bearing 43, and have bearing 37 between pulley 36 and fixed pulley heart axle 40, by axle between two pulleys 36
Set 38 separates.Fixed pulley bearing 43 bottom is connected with installing plate 41, and this fixed pulley group 28 is fixed on skeletal container by installing plate 41
In the top frame 6 of body 1.Described steel wire rope 29 is two, and one end of two steel wire ropes 29 is separately fixed at hoisting cross beam 34
On, bypass movable pulley 30 and fixed pulley group 28, after the steel wire rope guiding mechanism 51 crossed on hoistable platform 5, two steel wire ropes
29 other end is connected by wire tensioner 32.Steel wire rope 29 winding order is followed successively by：By hoisting cross beam 34, it is fixed to bypass
One pulley of assembly pulley 28, movable pulley 30, the another one pulley of fixed pulley group 28, the side of steel wire rope guiding mechanism 51 is led
To wheel 59, opposite side directive wheel 59, last two steel wire ropes are connected by rigging turn buckle 32.
It is the hydraulic system principle figure of downhole tool ultra high water pressure experimental safe protector shown in Figure 28, in figure represents
Each Hydraulic Elements, the oil circuit relation of hydraulic control unit in device.Downhole tool ultra high water pressure experimental safe protector
Hydraulic system mainly includes：Accumulator 73, accumulator switch valve 74, overflow valve 75, hydraulic pump 76, filter 77, fuel tank 78, pressure
Power table 79, pressure sensor 80, motor 81, temperature sensor 82, flow divider-combiner 83, bidirectional hydraulic lock 84, one-way throttle
Valve 85, lifting platform control valve 86, hydraulic lock 87, protective cover plate switching control pilot A88, protective cover plate switching control pilot B89, peace
Full sliding support control valve A90, slide support and control valve B91.
Below according to hydraulic system principle figure and combine the above, to illustrate the course of work of the present invention：First
Starting motor 81 drives hydraulic pump 76 to work, and after running work 5-10s, starts overflow valve 75 and loads fortune under immunization with gD DNA vaccine
OK, check whether the hydraulic system pressure signal registration of pressure sensor 80 transmission is normal；Registration, if any exception, needs to adjust in time
Whole；Check, check and correction finishes, after all going well, downhole tool high-pressure test safety protective device enters working condition.
Downhole tool high-potting operating process must be carried out in strict accordance with operation sequence：Downhole tool high-potting safety
Protector original state is that hoistable platform 5 is located at test pit bottom, and two fan protective cover plates 17 are closed, two pieces of supports
Slide block 15 is in the state of stretching out, and is supported on below two fan protective cover plates 17.First, safe operation sliding support control valve A, B, makes
Two supporting cylinders 13 drive two support slippers 15 to retract respectively；After confirming that two support slippers 15 are all retracted into restriction site,
Safe operation slidably supports control valve A, B, stops to two supporting cylinder 13 fuel feeding；Subsequently, operate protective cover plate switch control rule
Valve A, B, make two protective cover plate hydraulic cylinders 18 drive two fan protective cover plates 17 to open respectively；When confirmation two fan protective cover plates 17 reach
After maximum position, operate protective cover plate switching control pilot A, B, stop to two protective cover plate hydraulic cylinder 18 fuel feeding.Next, operation
Lifting platform control valve 86, makes lifting platform hydraulic cylinder 35 drive hoistable platform 5 to rise by platform lifting mechanism 4；Work as confirmation
After hoistable platform 5 rises to upper limit position, operating platform lift controil valve 86, stop to lifting platform hydraulic cylinder 35 fuel feeding.?
Afterwards, safe operation sliding support control valve A, B, makes two supporting cylinders 13 drive two support slippers 15 to stretch out respectively, is supported on
Below hoistable platform 5, prevent from causing hoistable platform voluntarily to fall because of the leakage of platform lifting mechanism 4 hydraulic circuit；When confirmation two
After support slide block 15 all reaches restriction site, safe operation slidably supports control valve A, B, stops two supporting cylinders 13 are supplied
Oil；So far, downhole tool ultra high water pressure experimental safe protector hoistable platform 5 raising process terminates.
Downhole tool to be tested is folded up on the clamping mechanism 53 being fixed on hoistable platform 5, after confirming to clamp fastening, will
The head of suppressing of high pressure pressure testing line end is threadedly attached on downhole tool to be tested, confirms that connection can operate rearward
Personnel withdraw hoistable platform 5.Execute now the decline process of hoistable platform 5.First, safe operation sliding support control valve A, B,
Two supporting cylinders 13 are made to drive two support slippers 15 being located at hoistable platform 5 lower section to retract respectively；When confirming two support slippers
After 15 are all retracted into restriction site, safe operation slidably supports control valve A, B, stops to two supporting cylinder 13 fuel feeding.Subsequently,
Operating platform lift controil valve 86, makes lifting platform hydraulic cylinder 35 drive hoistable platform 5 to decline by platform lifting mechanism 4；When
After confirming that hoistable platform 5 drops to lower position, operating platform lift controil valve 86, stop lifting platform hydraulic cylinder 35 is supplied
Oil；Next, operation protective cover plate switching control pilot A, B, two protective cover plate hydraulic cylinders 18 are made to drive two fan protective cover plates respectively
17 closings；When confirm two fan protective cover plates 17 close require position after, operate protective cover plate switching control pilot A, B, stop right
Two protective cover plate hydraulic cylinder 18 fuel feeding；Finally, safe operation sliding support control valve A, B, makes two supporting cylinders 13 drive respectively
Dynamic two support slippers 15 stretch out, and are supported on below two fan protective cover plates 17, prevent from making because of protective cover plate mechanism 3 hydraulic circuit leakage
Protective cover plate 17 is become voluntarily to fall；After confirming that two support slippers 15 all reach restriction site, safe operation sliding support control
Valve A, B processed, stop to two supporting cylinder 13 fuel feeding；So far, downhole tool ultra high water pressure experimental safe protector lifting
Platform 5 decline process terminates.Overflow valve 75 off-load, motor 81 is stopped power supply.
After downhole tool high-potting terminates, need to take out the downhole tool tested, change other downhole tools into and enter
Row test.At this time, it may be necessary to by downhole tool ultra high water pressure experimental safe protector hoistable platform 5 raising, by tested
Downhole tool takes off from clamping mechanism 53, changes downhole tool to be tested, then hoistable platform 5 is transferred, concrete operations
Journey with above describe identical.
Claims (5)
1. a kind of downhole tool ultra high water pressure experimental safe protector, including framework box body (1) it is characterised in that：Described
Framework box body (1) before and after both sides be fixed with protective cover plate mechanism (3), the internal left and right sides of framework box body (1) is fixed with flat
Platform elevating mechanism (4), platform lifting mechanism (4) top is connected with hoistable platform (5), about described framework box body (1) top
Both sides are fixed with slide supporting mechanism (2) by column, and slide supporting mechanism (2) is located at hoistable platform (5)
Both sides；
It is respectively fixed with guide upright post (10), the guiding on each side wall on former and later two side walls of described framework box body (1)
Column (10) is two, and symmetrical；
Described slide supporting mechanism (2) includes supporting installing rack (14), supporting cylinder (13), and described support is installed
Frame (14) is welded in framework box body (1), supports installing rack (14) internal slide to be connected with the support slipper (15) of horizontal direction,
One end of support slipper (15) is connected with supporting cylinder (13)；Described protective cover plate mechanism (3) include protective cover plate (17),
Cover plate hydraulic cylinder (18), described protective cover plate (17) top is connected in framework box body (1) by cover plate hinge (21), described
Before and after framework box body (1) bottom, corresponding protective cover plate (17) center in both sides is respectively fixed with cover plate hydraulic cylinder bottom support bracket
(19), and cover plate hydraulic cylinder bottom support bracket (19) top is hinged with cover plate hydraulic cylinder (18) cylinder barrel, cover plate hydraulic cylinder (18) is upper
Portion's piston rod is hinged on protective cover plate (17)；
Described hoistable platform (5) includes hoistable platform main body frame (52), steel wire rope guiding mechanism (51), described steel wire rope
Guiding mechanism (51) is separately fixed at the left and right two ends of hoistable platform main body frame (52), a left side for hoistable platform main body frame (52)
Right two ends are further fixed on lifting platform guiding mechanism (55), and leading in lifting platform guiding mechanism (55) and framework box body (1)
Contact to column (10), described hoistable platform main body frame (52) top is fixed with two clamping mechanisms (53)；
Described platform lifting mechanism (4) is two groups, is fixed on hoistable platform (5) by lifting platform hydraulic cylinder (35) respectively
The left and right sides, every group platform elevating mechanism (4) includes fixed pulley group (28), steel wire rope (29), movable pulley (30), lifting horizontal stroke respectively
Beam (34), described hoisting cross beam (34) is connected on the piston rod of lifting platform hydraulic cylinder (35), and the two of hoisting cross beam (34)
End is respectively fixed with movable pulley (30), and described fixed pulley group (28) is fixed on framework box body (1) top；Described steel wire rope
(29) it is two, one end of two steel wire ropes (29) is separately fixed on hoisting cross beam (34), bypass movable pulley (30) and fixed cunning
Wheel group (28), after the steel wire rope guiding mechanism (51) crossed on hoistable platform (5), the other end of two steel wire ropes (29) passes through
Wire tensioner (32) connects.
2. downhole tool ultra high water pressure experimental safe protector according to claim 1 it is characterised in that：Described
Clamping mechanism (53) includes the clamp camber beam (62) of C-shaped, and the bottom of clamp camber beam (62) is provided with recessed clamp seat (65), clamp
Seat (65) is fixed on hoistable platform (5) top by the clamp installing rack (67) of bottom, and described clamp camber beam (62) top is solid
Surely there is the thread bush (61) of vertical direction, thread bush (61) is internally connected with adjusting screw rod (63), the lower end of adjusting screw rod (63)
It is fixed with the stapling head (64) of fovea superior, and described stapling head (64) position is corresponding with clamp seat (65).
3. downhole tool ultra high water pressure experimental safe protector according to claim 1 it is characterised in that：Described
Lifting platform guiding mechanism (55) includes guiding mechanism installing plate (70), lifting directive wheel (68), and described guiding mechanism is installed
Plate (70) is L-shaped, and integral solder is on hoistable platform (5), and is connected to directive wheel installing plate A, B on two sides of L-shaped
(71,72), directive wheel installing plate A, B (71,72) is connected to two liftings directive wheel (68) arranged up and down.
4. downhole tool ultra high water pressure experimental safe protector according to claim 1 it is characterised in that：Described
Steel wire rope guiding mechanism (51) is four, and hoistable platform (5) left and right two ends are each to fix two, and steel wire rope guiding mechanism (51) includes
Steel wire rope guiding mechanism installing plate (60), steel wire rope guiding mechanism installing plate (60) is vertically fixed on the bottom surface of hoistable platform (5),
The two sides of steel wire rope guiding mechanism installing plate (60) are respectively fixed with guiding wheeling support (56), and guiding wheeling support (56) is upper respectively
Directive wheel (59) is connected with by directive wheel bearing pin (57), and two directive wheel (59) directions are perpendicular.
5. downhole tool ultra high water pressure experimental safe protector according to claim 1 it is characterised in that：Described
Hoisting cross beam (34) includes the parallel crossbeam mainboard (49) of two vertical directions, passes through respectively to strengthen between crossbeam mainboard (49)
Gusset A, B (47,50) connect, the crossbeam adapter sleeve (48) being fixedly arranged in the middle of vertical direction of two crossbeam mainboards (49), crossbeam
The left and right on mainboard (49) top is respectively fixed at two ends with movable pulley installing plate (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410815317.0A CN104535428B (en) | 2014-12-24 | 2014-12-24 | Safety protecting device for ultrahigh-pressure water pressure test of downhole tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410815317.0A CN104535428B (en) | 2014-12-24 | 2014-12-24 | Safety protecting device for ultrahigh-pressure water pressure test of downhole tool |
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| CN104535428A CN104535428A (en) | 2015-04-22 |
| CN104535428B true CN104535428B (en) | 2017-02-22 |
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| CN108254173B (en) * | 2018-01-30 | 2024-03-01 | 武汉海王机电工程技术有限公司 | Ultrahigh pressure test device |
| CN114837929A (en) * | 2022-04-21 | 2022-08-02 | 山东科瑞油气装备有限公司 | Pump head self-reinforcing device and matching process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210957A (en) * | 1995-02-01 | 1996-08-20 | Japan Steel Works Ltd:The | Impact internal pressure test device |
| CN203299049U (en) * | 2013-03-22 | 2013-11-20 | 新疆金特钢铁股份有限公司 | Novel DCIP (nodular cast iron pipe) hydraulic press protection device |
| CN203551391U (en) * | 2013-09-04 | 2014-04-16 | 江苏瑞银不锈钢制品有限公司 | Protection improvement device for steel pipe water pressure testing machine |
-
2014
- 2014-12-24 CN CN201410815317.0A patent/CN104535428B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08210957A (en) * | 1995-02-01 | 1996-08-20 | Japan Steel Works Ltd:The | Impact internal pressure test device |
| CN203299049U (en) * | 2013-03-22 | 2013-11-20 | 新疆金特钢铁股份有限公司 | Novel DCIP (nodular cast iron pipe) hydraulic press protection device |
| CN203551391U (en) * | 2013-09-04 | 2014-04-16 | 江苏瑞银不锈钢制品有限公司 | Protection improvement device for steel pipe water pressure testing machine |
Non-Patent Citations (1)
| Title |
|---|
| "水平井井下工具模拟试验装置的研制";贾光政 等;《石油机械》;20101231;第38卷(第7期);第11-13页 * |
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| CN104535428A (en) | 2015-04-22 |
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