CN208594890U - Slip socket - Google Patents
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- CN208594890U CN208594890U CN201821124105.8U CN201821124105U CN208594890U CN 208594890 U CN208594890 U CN 208594890U CN 201821124105 U CN201821124105 U CN 201821124105U CN 208594890 U CN208594890 U CN 208594890U
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- 241000251468 Actinopterygii Species 0.000 claims abstract description 120
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000007787 solid Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 description 12
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000006148 magnetic separator Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Abstract
The utility model provides a slip overshot, this slip overshot includes the top connection, a barrel, the guide shoe, magnet and several slips group, the magnet is installed in the top connection, several slips group is installed in the barrel along barrel axis direction interval, each slips group includes a plurality of slips piece that evenly set up along barrel circumference, the nearly wall end of slips piece is articulated with the barrel inner wall, the below of each slips piece sets up spacing pedestal, spacing pedestal makes the contained angle of slips piece relative to the horizontal plane when not salvaging the fish more than or equal to 0, the fish moves up, the contained angle of each slips piece relative to the horizontal plane increases gradually and makes the fish pass through, each slips piece is with the fish chucking when lifting slip overshot, to the fish that has variable diameter, a plurality of slips group are the position chucking respectively of different diameters, need not to change the slips; and because the clamping force is determined by the gravity of the falling fish, the falling fish is prevented from being pinched off due to overlarge clamping force, and the fishing efficiency of the slip fishing barrel is improved.
Description
Technical field
The utility model relates to drilling well marine salvage equipment technical field more particularly to a kind of slip sockets.
Background technique
With the exploration of petroleum-gas fiedl and the increase of mining operations number, the degree of wear and corrosion degree of operating equipment are got over
Come it is bigger, in operation process frequent occurrence operating equipment fall or operating equipment on building block fall in drilling well, make
Industry equipment or the component to fall off fall into drilling well and can have an impact to follow-up work, therefore beat the object fallen into drilling well
Fishing is very necessary.
The object fallen into drilling well is normally referred to as fish, and the tool for salvaging fish at present generally uses slip socket.
As shown in Fig. 1, slip socket includes cylinder 2, the top connection 1 for being connected to 2 upper end of cylinder, is connected to drawing for 2 lower end of cylinder
Shoes 3, and the spiral slips inside cylinder 2 is set.Top connection 1 is used to be connected with fishing column or drilling rod, and guide shoe 3 is for inducing
Fish in well enters in cylinder 2.The shape of spiral slips is similar to spring, and outer surface is provided with wide sawtooth left hand thread,
It cooperates with the wide sawtooth levogyrate inner thread being arranged in cylinder 2, and the screw pitch of the two is identical, but the flank ratio of spiral slips
The flank of the internal screw thread of cylinder 2 is narrow.Spiral slips is internally provided with the left-handed zigzag thread of bull, and the sharp heavily fortified point of thread
Firmly, for grabbing and clamping fish.The common fishing size range of grabbing of spiral slips is 9~12mm, when in use, generally according to institute
The suitable spiral slips of the size selection of the fish outer diameter to be salvaged.The diameter of 2 inner cavity of cylinder is gradually reduced from top to bottom, spiral
Slips can move up and down inside cylinder 2, and spiral slips swells when moving upwards, diminution when moving downward.When salvaging fish,
Guide shoe 3 induces fish to enter in cylinder 2, and the upward axial compressive force that fish is applied to spiral slips makes spiral slips in cylinder 2
Interior uplink, since spiral slips uplink swells, fish enters spiral slips, and subsequent thread is gradually by fish clamping, when above mentioning card
When watt fishing socket, spiral slips versus downstream in cylinder 2, spiral slips reduces and drives small end motion of the fish to cylinder 2,
Spiral slips clamping fish again.
But above-mentioned slip socket is suitable for salvaging the fish of specific dimensions range interior diameter, for diameter
Excessive or too small fish is difficult to salvage, and when salvaging various sizes of fish, needs replacing different spiral slips, salvages effect
Rate is low；In addition, the thread in above-mentioned slip socket acts only on a position for fish, thread gradually blocks during clamping
Clamp force constantly increases, and thread is sharp, it is easy to which pinch off fish needs repeatedly to salvage, and causes to salvage low efficiency.
Utility model content
The purpose of this utility model is to provide a kind of slip sockets, to improve salvaging efficiency.
Slip socket provided by the utility model includes top connection, cylinder, guide shoe, magnet and several slips groups, described
Cylinder upper end is detachably connected with the top connection, and the cylinder lower end is detachably connected with the guide shoe, the magnet installation
In the top connection, several slips groups are mounted in the cylinder along the axis direction interval of the cylinder, Mei Gesuo
Stating slips group includes the multiple slips pieces being uniformly arranged along the circumferential direction of the cylinder, and the remote wall end of the slips piece is provided with clamping
Face, the nearly wall end of the slips piece and the inner wall of the cylinder are hinged, and a limit is provided with below each slips piece
Pedestal, the limit pedestal makes the angle of slips piece relative level when not salvaging fish more than or equal to 0 °, described
The angle of relative level is greater than the angle of relative level when it does not salvage fish when slips piece clamping fish.
Compared with prior art, slip socket provided by the utility model has the advantages that
In slip socket provided by the utility model, top connection is used to be connected with fishing column or drilling rod, fishes out column or drilling rod
Slip socket is driven to enter operation in operation well；Guide shoe is for inducing fish in well to enter inner barrel；Slips piece is for blocking
The fish of inner barrel is tightly induced by guide shoe.During salvaging, fish continues up after entering inner barrel, successively
The clamping face of slips piece in each slips group is pushed, passes through multiple slips groups from bottom to top.Due to limiting the support of pedestal, slips
The angle of piece relative level when not salvaging fish is greater than or equal to 0 °, and fish pushes up each slips after entering in cylinder
Piece, each slips piece, which opens certain angle since the initial position, makes fish pass through each slips group, the card in each slips group
Tile open angle determined by the diameter at the position of its fish contacted, the bigger position of diameter, with the location contacts
The angle that slips piece in slips group opens is bigger；Slips piece in the smaller position of diameter, with the slips group of the location contacts
The angle of opening is smaller.Therefore, when the diameter for encountering fish length direction is inconsistent, multiple slips groups can guarantee to fish
Distinguish clamping, compared with existing slip socket, slip socket energy provided by the utility model in the different each position of diameter
It is enough to salvage the fish with the fish and wider diameter of variable diameters, and no replacement is required slips, improve salvaging efficiency.
In addition, what fish moved downward since self gravity has becomes when fish enters after cylinder and above mentions slip socket
Gesture, so that therefore, the clamping force that fish is subject to is determined by the gravity of fish itself, with existing card by slips piece clamping
Watt fishing socket is compared using thread clamping fish, slip socket provided by the utility model avoid because clamping force spend it is big due to
Pinch off fish improves the salvaging efficiency of slip socket.
Slip socket as described above, the clamping face of all slips pieces surrounds a clamping in each slips group
The area in hole, each card tieholen is gradually increased from the direction that the guide shoe is directed toward in the top connection.Fish in cylinder to
When sequentially passing through the card tieholen of multiple slips groups when upper movement, each clamping face for surrounding the card tieholen is touched first.Due to
The area of card tieholen is gradually increased from top to bottom, therefore the fish moved upwards can be guided to push the card where each clamping face
Tile makes to be hinged on the slips piece on cylinder inboard wall and rotates around its nearly wall end, thus guarantee fish pass through and on
Clamping fish when mentioning slip socket.
The inner wall of slip socket as described above, the cylinder is limited equipped with multiple with the slips piece correspondingly
The nearly wall end of slot, each slips piece is protruded into the corresponding limiting slot.Limiting slot can be slips piece
Rotation provides enough spaces.
Slip socket as described above, the nearly wall end of the slips piece are provided with and hinged convex of the inner wall of the cylinder
It rises, and the protrusion is located at the lower part at the nearly wall end, each protrusion protrudes into the limiting slot and by shaft and institute
State cylinder connection.It projects through shaft to be connected with cylinder, slips piece is enable to rotate around the shaft, so that fish be made to pass through.
Slip socket as described above, setting in the space that the limiting slot, the protrusion and the nearly wall end surround
Flexible part, the both ends of the elastic component are connected with the top of the inner wall of the cylinder and the nearly wall end respectively.Elastic component
It is arranged between cylinder and slips piece, after slips piece pushes rotation by fish, elastic component applies elastic force to slips piece, to make
Slips piece can rapidly clamping fish, improve salvaging efficiency.
Slip socket as described above, the limit pedestal are fixedly connected with the inner wall of the cylinder.It is solid to limit pedestal
Surely it is connected on the inner wall of cylinder, can guarantee stability of the slips piece when not salvaging fish, slips piece can be prevented to cylinder
The direction of body lower end rotates.
The junction of slip socket as described above, the cylinder and the top connection, which bends inwards, is formed with chamfering
Wall is provided with return hole on the chamfering wall.During salvaging, return hole mitigates for being discharged into the intracorporal liquid of cylinder
The intracorporal pressure of cylinder, enables slip socket to hurtle down in operation well, so that fast salvaging fish, further increases and beat
Fish out efficiency.
Slip socket as described above, the cylinder include upper shell and lower shell, the upper shell and the lower cylinder
Body is detachably connected.Upper shell and lower shell, easy to process and subsequent disassembly or maintenance are set by cylinder.
Slip socket as described above, the magnet is provided with retainer close to one end of the slips group, described to stop
Moving part is located at the central area of the inner barrel.Retainer is arranged below magnet, for preventing fish from hitting top connection, keeps away
Exempt to damage slip socket.
Slip socket as described above, the magnet are permanent magnet.Permanent magnet is easy to draw materials and install, easy to use.
In addition to the utility model described above solve the technical issues of, constitute technical solution technical characteristic and by
Outside beneficial effect brought by the technical characteristic of these technical solutions, what slip socket provided by the utility model can solve
The other technical characteristics and these technical characteristic bring beneficial effects for including in other technologies problem, technical solution, will be
Further details of explanation is made in specific embodiment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be practical to this
New embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing be only the utility model a part of the embodiment, these attached drawings and verbal description are not intended in any manner
It limits the scope of the inventive concept of the present disclosure, but the concept of the present disclosure is explained for those skilled in the art by referring to specific embodiments,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the cross-sectional view of slip socket in the prior art；
Fig. 2 is the cross-sectional view one of slip socket in the utility model embodiment；
Fig. 3 is the cross-sectional view two of slip socket in the utility model embodiment；
Fig. 4 is the cross-sectional view in the utility model embodiment in slip socket use process；
Fig. 5 is the cross-sectional view of slips group in the utility model embodiment；
Fig. 6 is the top view one of slips group in the utility model embodiment；
Fig. 7 is the top view two of slips group in the utility model embodiment；
Fig. 8 is the top view three of slips group in the utility model embodiment.
Description of symbols:
1- top connection；2- cylinder；
3- guide shoe；4- magnet；
5- slips group；6- retainer；
7- shaft；8- elastic component；
9- fish；21- limiting slot；
22- limits pedestal；23- chamfering wall；
24- return hole；25- upper shell；
26- lower shell；51- slips piece；
52- card tieholen；The clamping face 511-；
512- protrusion.
Specific embodiment
In order to solve the problems, such as to salvage low efficiency in the prior art, the utility model embodiment provides a kind of slips salvaging
Cylinder, which includes that top connection, cylinder, guide shoe, magnet and several slips groups, cylinder upper end detachably connect with top connection
It connects, cylinder lower end is detachably connected with guide shoe, and top connection is used to be connected with fishing column or drilling rod, and guide shoe is for inducing fish in well
Into inner barrel, the magnet being mounted in top connection is for adsorbing some tiny irony components.Several slips groups are along cylinder
Axis direction interval be mounted in cylinder, each slips group includes the multiple slips pieces being uniformly arranged along the circumferential direction of cylinder, card
The remote wall end of tile is provided with clamping face, and the nearly wall end of slips piece and the inner wall of cylinder are hinged, the lower section setting of each slips piece
There is a limit pedestal, limit pedestal makes the angle of slips piece relative level when not salvaging fish be greater than or equal to 0 °, card
The angle of relative level is greater than the angle of relative level when it does not salvage fish when tile clamping fish.
In fishing, fish moves upwards after entering inner barrel, successively pushes slips piece in each slips group
Clamping face, so that slips piece is rotated a certain angle from initial position around the hinged place at nearly wall end and cylinder, make fish pass through should
Slips group, slips piece rotation angle determined by the diameter at the position of its fish contacted, the bigger position of diameter, with the portion
The angle that slips piece in the slips group of position contact opens is bigger；In the smaller position of diameter, with the slips group of the location contacts
Slips piece open angle it is smaller.The fish inconsistent for the diameter of length direction, multiple slips groups can guarantee to falling
The different each position of fish diameter carries out clamping respectively, therefore slip socket provided by the embodiment of the utility model can salvage tool
There are the fish of variable diameters and the fish of wider diameter, and no replacement is required slips, improves salvaging efficiency；Fish enters cylinder
Slip socket is mentioned afterwards and above, and fish is since self gravity has the tendency that moving downward, to therefore be fallen by slips piece clamping
The clamping force that fish is subject to is determined by the gravity of fish itself, utilizes thread clamping fish phase with existing slip socket
Than slip socket provided by the embodiment of the utility model avoids pinch off fish due to clamping force is spent greatly, improves salvaging
Efficiency.
It, below will knot in order to keep the above objects, features, and advantages of the utility model embodiment more obvious and easy to understand
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described.
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on this reality
With the embodiment in novel, those of ordinary skill in the art without creative labor it is obtained it is all its
Its embodiment belongs to the range of the utility model protection.
As shown in Fig. 2~Fig. 5, slip socket provided in this embodiment includes top connection 1, cylinder 2, guide shoe 3, magnet 4
With several slips groups 5,2 upper end of cylinder is detachably connected with top connection 1, and 2 lower end of cylinder is detachably connected with guide shoe 3, and magnet 4 is pacified
In top connection 1, several slips groups 5 are mounted in cylinder 2 along the axis direction interval of cylinder 2；Each slips group 5 includes edge
The remote wall end of multiple slips pieces 51 that the circumferential direction of cylinder 2 is uniformly arranged, slips piece 51 is provided with clamping face 511, slips piece 51
Nearly wall end and the inner wall of cylinder 2 are hinged, and the lower section of each slips piece 51 is provided with a limit pedestal 22, and limit pedestal 22 makes card
The angle of the relative level when not salvaging fish 9 of tile 51 is greater than or equal to 0 °, relative level when 51 clamping fish 9 of slips piece
The angle in face is greater than the angle of relative level when it does not salvage fish 9.
2 upper end of cylinder is detachably connected with top connection 1, and there are many modes of the two connection, for example, the upper end of cylinder 2
Outer surface is provided with thread segment, and one end that top connection 1 is connected with cylinder 2 is provided with internal screw thread, and cylinder 2 and 1 screw thread of top connection connect
It connects；For another example, the upper end of cylinder 2 is provided with internal screw thread, and top connection 1 is provided with thread segment, cylinder close to one end outer surface of cylinder 2
2 are threadedly coupled with top connection 1.Present embodiment structure is simple, easy to assembly.In the present embodiment, top connection 1 is generally cylinder
The inner cavity of shape structure, top connection 1 is connected with the inner cavity of cylinder 2, and magnet 4 is mounted on the interior intracavitary of top connection 1, and and top connection
1 is fixedly connected or is detachably connected.Magnet 4 be arranged in top connection 1 it is intracavitary can to enter cylinder 2 in irony component produce
Raw adsorption capacity can be in 2 outer surface of cylinder specifically, be attracted on the outer surface of cylinder 2 in order to avoid irony component
It is coated with magnetic separator, or, cylinder 2 itself can make tiny near slip socket using magnetic separator such as stainless steel or copper
When irony component, irony component is entered in cylinder 2 and can be adsorbed by magnet 4 by guide shoe 3, is entered in cylinder 2 by guide shoe 3, from
And it is successfully salvaged.
2 lower end of cylinder is detachably connected with guide shoe 3, and there are many modes of the two connection, for example, the lower end of cylinder 2 is outer
Surface is provided with thread segment, and guide shoe 3 is provided with internal screw thread close to one end of cylinder 2, and cylinder 2 is threadedly coupled with guide shoe 3；For another example,
The lower end of cylinder 2 is provided with internal screw thread, and guide shoe 3 is provided with thread segment, cylinder 2 and 3 spiral shell of guide shoe close to one end outer surface of cylinder 2
Line connection.In addition, guide shoe 3 forms a spiral mouth far from one end of cylinder 2, for inducing the fish 9 in well to enter in cylinder 2
Portion.
As shown in Fig. 2, several slips groups 5 are mounted in cylinder 2 along the axis direction interval of cylinder 2, several slips groups 5 exist
Arrangement mode inside cylinder 2 are as follows: several slips groups 5 are arranged in cylinder 2 along the central axes direction of cylinder 2 at equal intervals；Or number
A slips group 5 is arranged in cylinder 2 along the central axes direction unequal interval of cylinder 2.In slip socket provided in this embodiment
In, the quantity of slips group 5 is more than or equal to three, ensure that the clamping effect to fish 9, and be suitable for different range diameter
Fish 9 and the fish of variable diameters 9 are salvaged, and salvaging efficiency is improved.
Each slips group 5 includes the multiple slips pieces 51 being uniformly arranged along the circumferential direction of cylinder 2, the set-up mode of slips piece 51
There are many, for example, as shown in fig. 6, the quantity for the slips piece 51 that each slips group 5 includes be two, two slips pieces 51 about
The axisymmetrical of cylinder 2 is arranged, and the angle between two slips pieces 51 is 180 °；For another example, as shown in fig. 7, each slips group 5 is wrapped
The quantity of the slips piece 51 contained is three, and three slips pieces 51 are symmetrical about the axis centre of cylinder 2, per two adjacent slips
Angle between piece 51 is 120 °；For another example, as shown in figure 8, the quantity for the slips piece 51 that each slips group 5 includes be four, four
A slips piece 51 is symmetrical about the axis centre of cylinder 2, and the angle between every two adjacent slips pieces 51 is 90 °.
The remote wall end of slips piece 51 is provided with clamping face 511, and there are many forms for the shape in clamping face 511, for example, such as Fig. 6
Shown, clamping face 511 is arcwall face, and the boundary line of clamping face 511 and 51 top surface of slips piece is arc；For another example, clamping face 511 is
The boundary line of plane, clamping face 511 and 51 top surface of slips piece is straight line.Since fish 9 is usually cylindric or is similar to cylinder
Shape, it is preferred that clamping face 511 is arc-shaped surface, and the circular arc of the arc-shaped surface is minor arc, and clamping face 511 is set as minor arc shape
Face is capable of increasing the contact area with fish 9, reduces a possibility that fish 9 slides.In addition, in slips provided in this embodiment
Anti-slip layer is additionally provided on the clamping face 511 of each slips piece 51 of fishing socket, there are many set-up modes of anti-slip layer, example
Such as, anti-slip layer is the rubber pad on the clamping face that is bonded in 511, and the shape of the rubber pad is identical as 511 shape of clamping face, and with
Clamping face 511 fits closely；For another example, anti-slip layer is the coat of metal with concave and convex stripe, and coat of metal painting is located at clamping face
On 511.Anti-slip layer increases the frictional force between fish 9 and slips piece 51, reduces a possibility that fish 9 slides, improves
The success rate of salvaging.
The nearly wall end of slips piece 51 and the inner wall of cylinder 2 are hinged, and the lower section of each slips piece 51 is provided with a limiting stand
Seat 22, limit pedestal 22 make the angle of the relative level when not salvaging fish 9 of slips piece 51 be greater than or equal to 0 °, slips piece 51
The angle of relative level is greater than the angle of relative level when it does not salvage fish 9 when clamping fish 9.Each limit pedestal 22
A corresponding slips piece 51, limit pedestal 22 can be fixedly connected with the bottom surface of slips piece 51, can also be solid with the inner wall of cylinder 2
Fixed connection.As shown in figure 5, limit pedestal 22 is fixedly connected with the inner wall of cylinder 2.In the present embodiment, limit pedestal 22 welds
On the inner wall of cylinder 2, and each limit one side of the pedestal 22 towards top connection 1 is contacted with the slips piece 51 above it, is used
The slips piece 51 is connected in support.
There are many forms for the shape of limit pedestal 22, for example, limit pedestal 22 can be right-angle prismatic column, limit pedestal
22 side is in contact with slips piece 51；For another example, limit pedestal 22 can be angle bar shape, limit a side of pedestal 22
It is in contact with slips piece 51；For another example, limit pedestal 22 can also be rectangular-shape, limit a side and the slips piece of pedestal 22
51 are in contact.Limit pedestal 22 is welded on the lower section of slips piece 51, for limiting the rotation of slips piece 51 towards the direction of guide shoe 3
Turn, ensure that slips piece 51 rotates in fixed range, ensure that the stability of slips piece 51.In the state of not salvaging fish 9,
If the angle for the side relative level that limit pedestal 22 is in contact with slips piece 51 is equal to 0 °, make slips piece 51 and horizontal plane
Between angle be equal to 0 °；If the angle for the side relative level that limit pedestal 22 is in contact with slips piece 51 is greater than 0 °,
The angle between slips piece 51 and horizontal plane is set to be greater than 0 °.When limit pedestal 22 makes the angle etc. between slips piece 51 and horizontal plane
When 0 °, 51 height of slips piece in same slips group 5 is identical, into cylinder 2 fish 9 can push card tile 51, make card
Tile 51 is rotated around nearly wall end and the hinged place of 2 inner wall of cylinder, and fish 9 passes through each slips group 5；When above mentioning slip socket,
51 clamping fish 9 of slips piece in each slips group 5.
When using slip socket provided in this embodiment, the one end of top connection 1 far from cylinder 2 is connected with fishing column or drilling rod
It connects, fishes out column or drilling rod drives slip socket integrally to enter operation in well；The spiral that guide shoe 3 positioned at the lower end of cylinder 2 is arranged
Mouthful, it is rotated during the work time with the rotation of slip socket, the fish 9 in well is induced to enter inside cylinder 2.With slips
Fishing socket constantly to underground moving, is constantly moved upwards into the fish 9 inside cylinder 2, and fish 9 pushes each slips piece 51
It is rotated around the hinged place of itself and cylinder 2 to the direction of 2 upper end of cylinder, passes through fish 9 from the center of each slips group 5；Upper bailing
Column or drilling rod rise slip socket, and for fish 9 since self gravity has the tendency that moving downward, slips piece 51 blocks fish 9
Tightly.During upper mention, the slips piece 51 of each slips group 5 is respectively acting on the different position of fish 9, the gravity of fish 9
Bigger, the clamping force that slips piece 51 acts on fish 9 is bigger, so that fish 9 be driven to leave operation well, by fish 9 salvage at
Function.The slip socket at a position for fish 9 is acted only in compared to the prior art, slips provided in this embodiment is salvaged
Cylinder, is applicable not only to the fish 9 of wider diameter, no replacement is required slips, and for the fish 9 with variable diameters, can
Fish 9 is avoided to slide；Further, since the clamping force that fish 9 is subject to is to be determined by the gravity of fish 9 itself, therefore can keep away
Exempt from 51 clamping force of slips piece to spend greatly and pinch off fish 9, is avoided as much as possible the multiple salvaging to fish 9.Therefore, the present embodiment
The slip socket of offer compared with prior art, improves the efficiency of salvaging.
As shown in Fig. 2, the clamping face 511 of all slips pieces 51 surrounds a card tieholen 52, each card in each slips group 5
The area of tieholen 52 is gradually increased from the direction that guide shoe 3 is directed toward in top connection 1.As shown in Fig. 6, Fig. 7 and Fig. 8, when surrounding card tieholen
When 52 clamping face 511 is arcwall face, card tieholen 52 is similar to circular hole；When the clamping face 511 for surrounding card tieholen 52 is plane,
Card tieholen 52 is similar to square hole.Fish 9 sequentially passes through the card tieholen 52 of multiple slips groups 5, fish when moving upwards in cylinder 2
9 touch each clamping face 511 for surrounding each card tieholen 52 first, since the area of card tieholen 52 gradually increases from top to bottom
Greatly, therefore card tieholen 52 can guide the fish moved upwards 9 to pass through, while fish 9 pushes each of 511 place of clamping face
A slips piece 51 rotates each slips piece 51 being hinged on 2 inner wall of cylinder to the direction of 2 upper end of cylinder.Card tieholen 52
Setting ensure that fish 9 can pass through each slips group 5；In addition, the area of card tieholen 52 is gradually increased from top to bottom, protect
Demonstrate,proved it is upper mention slip socket during each slips piece 51 being capable of clamping fish 9.
As shown in figure 5, the inner wall of cylinder 2 is equipped with the multiple and one-to-one limiting slot 21 of slips piece 51, each slips piece
51 nearly wall end is protruded into corresponding limiting slot 21.In the present embodiment, the corresponding limiting slot 21 of each slips piece 51,
The shape of opening of the limiting slot 21 towards slips piece 51 can be circle, and the circular diameter is greater than the nearly wall end of slips piece 51
Length and width；The shape of opening of the limiting slot 21 towards slips piece 51 may be rectangle, and the length of the rectangle is greater than slips piece
The length at 51 nearly wall end, the width of the rectangle are greater than the width at the nearly wall end of slips piece 51.The nearly wall end of slips piece 51 is protruded into
In limiting slot 21, limiting slot 21 is that slips piece 51 provides the space of rotation.
As shown in figure 5, the nearly wall end of slips piece 51 is provided with the protrusion 512 hinged with the inner wall of cylinder 2, and protrusion 512
It protrudes into limiting slot 21 and is connect by shaft 7 with cylinder 2 positioned at the lower part at nearly wall end, each raised 512.It is arranged on nearly wall end
Protrusion 512 for connect with the inner wall of cylinder 2, specifically, offering through-hole in protrusion 512, shaft 7 passes through the through-hole, turn
The both ends of axis 7 are connected with the inner wall of cylinder 2 respectively, and junction is respectively positioned in limiting slot 21, and slips piece 51 is enable to rotate
Axis 7 rotates, to guarantee clamping fish 9 when fish 9 passes through and above mentions slip socket.
As shown in figure 5, it is provided with elastic component 8 in the space that limiting slot 21, protrusion 512 and nearly wall end surround, elastic component 8
Both ends are connected with the top of the inner wall of cylinder 2 and nearly wall end respectively.Elastic component 8 can be rubber pad, or spring.If
Elastic component 8 is rubber pad, and one end of rubber pad is bonded in limiting slot 21, is fixedly connected with the inner wall of cylinder 2, other end bonding
It is fixedly connected on the nearly wall end of slips piece 51 with slips piece 51, and the bonding place is located at the top of protrusion 512；If elastic component 8
One end for spring, spring is connect with the inner wall of cylinder 2, and other end wall close with slips piece 51 end is connected, and itself and nearly wall
The junction at end is located at the top of protrusion 512.Preferably, spring is set by elastic component 8, spring is easily attached, easy to process.
Slips piece 51 is fixedly connected on the inner wall of cylinder 2 by spring, elastic force is applied with to slips piece 51, in the effect of elastic force
Under, slips piece 51 can improve salvaging efficiency quickly by 9 clamping of fish.
As shown in Fig. 2, the junction of cylinder 2 and top connection 1 bends inwards and is formed with chamfering wall 23, it is arranged on chamfering wall 23
There is return hole 24.Chamfering wall 23 is the intersection of cylinder 2 and top connection 1, through setting return hole 24 on chamfering wall 23, is used for
The liquid in cylinder 2 is discharged.In the present embodiment, the setting of return hole 24 there are three or three or more, and along the week of chamfering wall 23
To being uniformly distributed.The opening of return hole 24 can be circle, or rectangle.The size of return hole 24 by chamfering wall 23 ruler
Very little decision.During salvaging, slip socket rotation is lowered in operation well, and the oil or muddy water in operation well can then enter cylinder
In body 2, certain pressure is generated to cylinder 2, interferes the fishing of slip socket, at this point, the company of cylinder 2 and top connection 1
Connect place setting return hole 24, can by enter cylinder 2 inside oil or muddy water be constantly discharged, to alleviate the liquid in cylinder 2
Body pressure enables slip socket to hurtle down in operation well, so that fast salvaging fish 9, improves the efficiency of salvaging.
Cylinder 2 includes upper shell 25 and lower shell 26, and upper shell 25 is detachably connected with lower shell 26.Specifically, upper cylinder
Body 25 and lower shell 26 are to be threadedly coupled, convenient for the processing of slip socket and subsequent disassembly or maintenance.Multiple slips groups 5 exist
There are many distribution modes inside cylinder 2, for example, as shown in figure 3, one of slips group 5 be arranged in upper shell 25, and with
The inner wall of upper shell 25 is fixedly connected, and remaining slips group 5 is arranged in lower shell 26, and is fixed and connected with the inner wall of lower shell 26
It connects；For another example, the setting of two of them slips group 5 is fixedly connected in upper shell 25, and with the inner wall of upper shell 25, remaining slips
5 setting of group is fixedly connected in lower shell 26, and with the inner wall of lower shell 26；For another example, as shown in Fig. 2, not set in upper shell 25
Slips group 5 is set, all slips groups 5 are arranged in lower shell 26, and are fixedly connected with the inner wall of lower shell 26.Preferably, block
Watt group 5 is arranged in lower shell 26, convenient for the processing and manufacturing of slip socket, and when the slips piece 51 in slip socket is sent out
When raw damage, it is convenient for subsequent maintenance.
As shown in figure 4, magnet 4 is provided with retainer 6 close to one end of slips group 5, retainer 6 is located inside cylinder 2
Central area.Retainer 6 is located at the bottom of magnet 4, and is fixedly connected with magnet 4, and the length of retainer 6 is the length of cylinder 2
1/5~1/7.The setting of retainer 6 can be avoided fish 9 and strike top connection 1, avoid damage slip socket.
Magnet 4 is permanent magnet, and permanent magnet is easy to draw materials and facilitate installation, and permanent magnet is mounted in top connection 1, for adsorbing
Fall the tiny component of irony in well, such as iron wire, iron nail object.In addition, magnet 4 may be arranged as electromagnet.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific
Feature, structure, material or feature are contained at least one embodiment or example of the utility model.In this specification
In, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of slip socket, which is characterized in that including top connection, cylinder, guide shoe, magnet and several slips groups, the cylinder
Body upper end is detachably connected with the top connection, and the cylinder lower end is detachably connected with the guide shoe, and the magnet is mounted on
In the top connection, several slips groups are mounted in the cylinder along the axis direction interval of the cylinder；It is each described
Slips group includes the multiple slips pieces being uniformly arranged along the circumferential direction of the cylinder, and the remote wall end of the slips piece is provided with clamping
Face, the nearly wall end of the slips piece and the inner wall of the cylinder are hinged, and a limit is provided with below each slips piece
Pedestal, the limit pedestal makes the angle of slips piece relative level when not salvaging fish more than or equal to 0 °, described
The angle of relative level is greater than the angle of relative level when it does not salvage fish when slips piece clamping fish.
2. slip socket according to claim 1, which is characterized in that the card of all slips pieces in each slips group
Tight face surrounds a card tieholen, and the area of each card tieholen gradually increases from the direction that the guide shoe is directed toward in the top connection
Greatly.
3. slip socket according to claim 1, which is characterized in that the inner wall of the cylinder is equipped with the multiple and card
The nearly wall end of the one-to-one limiting slot of tile, each slips piece is protruded into the corresponding limiting slot.
4. slip socket according to claim 3, which is characterized in that the nearly wall end of the slips piece be provided with it is described
The hinged protrusion of the inner wall of cylinder, and the protrusion is located at the lower part at the nearly wall end, each protrusion protrudes into the limit
It is connect in slot and by shaft with the cylinder.
5. slip socket according to claim 4, which is characterized in that the limiting slot, the protrusion and the nearly wall
Hold and be provided with elastic component in the space that surrounds, the both ends of the elastic component respectively with the inner wall of the cylinder and the nearly wall end
Top is connected.
6. slip socket according to claim 1, which is characterized in that the inner wall of the limit pedestal and the cylinder is solid
Fixed connection.
7. slip socket according to claim 1, which is characterized in that the junction of the cylinder and the top connection to
Inner bending is formed with chamfering wall, is provided with return hole on the chamfering wall.
8. slip socket according to claim 1, which is characterized in that the cylinder includes upper shell and lower shell, institute
Upper shell is stated to be detachably connected with the lower shell.
9. slip socket according to claim 1, which is characterized in that the magnet is set close to one end of the slips group
It is equipped with retainer, the retainer is located at the central area of the inner barrel.
10. slip socket according to claim 1, which is characterized in that the magnet is permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124105.8U CN208594890U (en) | 2018-07-16 | 2018-07-16 | Slip socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124105.8U CN208594890U (en) | 2018-07-16 | 2018-07-16 | Slip socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208594890U true CN208594890U (en) | 2019-03-12 |
Family
ID=65603065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821124105.8U Active CN208594890U (en) | 2018-07-16 | 2018-07-16 | Slip socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208594890U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952946A (en) * | 2019-11-27 | 2020-04-03 | 淮安市井神钻采机具有限公司 | Fishing barrel capable of catching fish strongly |
| CN111395986A (en) * | 2020-05-14 | 2020-07-10 | 中勘资源勘探科技股份有限公司 | Logging instrument fishing device for large-diameter drilling of coal mine |
| CN113775310A (en) * | 2021-08-30 | 2021-12-10 | 国能神东煤炭集团有限责任公司 | Fishing equipment of carbon dioxide fracturing device |
| CN115387752A (en) * | 2021-05-25 | 2022-11-25 | 中国石油天然气集团有限公司 | Underground steel wire fishing tool and using method |
-
2018
- 2018-07-16 CN CN201821124105.8U patent/CN208594890U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952946A (en) * | 2019-11-27 | 2020-04-03 | 淮安市井神钻采机具有限公司 | Fishing barrel capable of catching fish strongly |
| CN111395986A (en) * | 2020-05-14 | 2020-07-10 | 中勘资源勘探科技股份有限公司 | Logging instrument fishing device for large-diameter drilling of coal mine |
| CN115387752A (en) * | 2021-05-25 | 2022-11-25 | 中国石油天然气集团有限公司 | Underground steel wire fishing tool and using method |
| CN115387752B (en) * | 2021-05-25 | 2024-01-19 | 中国石油天然气集团有限公司 | Downhole steel wire fishing tool and use method |
| CN113775310A (en) * | 2021-08-30 | 2021-12-10 | 国能神东煤炭集团有限责任公司 | Fishing equipment of carbon dioxide fracturing device |
| CN113775310B (en) * | 2021-08-30 | 2024-01-09 | 国能神东煤炭集团有限责任公司 | Salvaging equipment of carbon dioxide fracturing device |
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