CN108999861A - The portable connecting bolt of drilling well Type B tong - Google Patents
The portable connecting bolt of drilling well Type B tong Download PDFInfo
- Publication number
- CN108999861A CN108999861A CN201811194883.9A CN201811194883A CN108999861A CN 108999861 A CN108999861 A CN 108999861A CN 201811194883 A CN201811194883 A CN 201811194883A CN 108999861 A CN108999861 A CN 108999861A
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- China
- Prior art keywords
- lock pin
- lock
- pin
- lock tongue
- tong
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 210000004907 gland Anatomy 0.000 claims abstract description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 241000791868 Selene orstedii Species 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 9
- 230000006378 damage Effects 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 239000004519 grease Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000011900 installation process Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of portable connecting bolts of drilling well Type B tong, the upper surface of latch body is equipped with the latch channels of upper end opening, cylindrical stainless steel lock pin is plugged in latch channels, one end of lock pin is equipped with lock pin head, and the other end is equipped with lock pin open slot, is plugged with lock tongue in lock pin open slot, the width of lock tongue is less than cotter diameter, length is greater than cotter diameter, is plugged with lock tongue pin on lock tongue, lock tongue pin both ends are fixed in lock pin open slot two sidewalls；Lock pin gland is covered with above latch channels, it is mutually welded with the upper surface of latch body the front and rear sides of lock pin gland lower end surface, middle part is equipped with downwardly projecting lock pin gland boss to lock pin gland in the front-back direction, the upper end of lock pin gland boss insertion latch channels, and the lower end surface of lock pin gland boss is equipped with the boss concave arc slot being recessed upwards, the top of lock pin is in boss concave arc slot.The bolt removes and installs very convenient, greatly improves work efficiency, and well head fish accident will not occur.
Description
Technical field
The present invention relates to the connections of the portable of a kind of drilling well Type B tong more particularly to a kind of drilling well Type B tong to insert
Pin, belongs to drilling tool technical field.
Background technique
Type B tong is that oil drilling makes a trip in construction, is commonly used and indispensable tool.Due to hole diameter variation and
The technical requirements of construction, it is necessary to replace the movable binding clip of tong frequently to cooperate the variation of drilling tool diameter.Movable binding clip and short pincers
It is to be attached with bolt, there are five pins on a tongs.Anti-jump split pin and this are all used in the upper surface or lower end surface of pin
Body is fixed.The movable binding clip that tong is frequently replaced in construction will cause anti-jump split pin damage.
When anti-jump split pin is in the lock state, it is necessary to two claw hammers of its open end be hit bending to two sides using hammer
It pushs aside, is fitted on binding clip outer wall respectively；Dismantle bolt when, it is necessary to first extract anti-jump split pin, need at this time using screwdriver,
The hand-held tools such as hand vice and adze-eye hammer close up two pawls of anti-jump split pin as far as possible, then could be along axial hammering extraction.It is anti-jump
Certain permanent deformation occurs after bending for two claws of split pin, it is impossible to return to reset condition, every bending is primary
Certain fatigue deformation can occur, be easy to happen fracture in disassembly or use process.Dismantling anti-jump split pin and binding clip company
When patching pin, the hand-held tools such as screwdriver, hand vice, adze-eye hammer for using increase the danger of well head junk, binding clip connecting bolt
Not having handle to slip the event for falling well also has generation.
Due to being influenced by tropical marine climate and moisture, corrosion damage all occurs for the inner and outer thing project equipment of number of domains.
It wherein also include the bolt of Type B tong.Latch body does not have sealing ring, and bolt lubricating grease can not be retained in pin hole for a long time
It is interior, cause other four pin corrosion diameter on tong to become smaller, variable at work or fracture.In addition, the lower end of tong pin is
Platform rank, tong pin enter hole to just relatively difficult.Binding clip of every replacement wants two or three people's compounding practice.Used time was at 5 minutes
Left and right, every time 8 binding clips of average replacement that make a trip, each well add pipe construction of trapping averagely to make a trip 7 times.That is each well
Construction just uses or so 5 hours used in the time for changing pin.Due to corrosion, some drilling crews become due to multiple tong connecting pins
It is curved, cannot use delayed wellbore construction progress.There are also replace the hand-held tool that binding clip uses near well head all to become serious peace
Full hidden danger.
Summary of the invention
It is an object of the present invention to overcome problems of the prior art, a kind of the convenient of drilling well Type B tong is provided
Formula connecting bolt, remove and install it is very efficient and convenient, significantly reduce operator labor intensity and improve work efficiency,
And falling off for anti-jump split pin will not occur and fall well event, any hand-held tool can not had to, avoid the well head junk of generating tool
Accident.
In order to solve the above technical problems, the portable connecting bolt of a kind of drilling well Type B tong of the invention, including bolt
Ontology, the upper surface of the latch body are equipped with the latch channels of upper end opening, and the latch channels are along latch body top surface
Diameter extends and penetrates through, and cylindrical stainless steel lock pin is plugged in the latch channels, it is big that one end of the lock pin is equipped with diameter
Lock pin head in remaining position of lock pin, the other end of the lock pin are equipped with lock pin open slot, are plugged in the lock pin open slot
Lock tongue, the two sides of the lock tongue are in oblong, and the width of the lock tongue is less than the diameter of the lock pin, the length of the lock tongue
Greater than the diameter of the lock pin, lock tongue pin is plugged on the lock tongue, the both ends of the lock tongue pin are fixed on the lock pin opening
In the pin hole of slot two sidewalls；Lock pin gland, the front and back two of lock pin gland lower end surface are covered with above the latch channels
Side and the upper surface of the latch body are mutually welded, and middle part is equipped with downwardly projecting lock pin pressure to the lock pin gland in the front-back direction
Lid boss, the lock pin gland boss is embedded in the upper end of the latch channels, and the lower end surface of lock pin gland boss is equipped with upwards
The boss concave arc slot of recess, the top of the lock pin is in the boss concave arc slot.
Compared with the existing technology, the present invention achieves following the utility model has the advantages that 1. replacing opening using cylindrical stainless steel lock pin
Mouthful pin, after latch body is inserted into from top to bottom in the pin hole of binding clip, with it is hand steered live lock tongue be allowed to lock pin coaxial line, be inserted into
In latch channels at the top of latch body, position is shifted onto horizontally to the right, lock pin head positions the left end of lock pin, the lock tongue of right end
After stretching out the outer wall of binding clip, lock tongue turns to the state vertical with lock pin at this time, is limited the right end of lock pin, and lock pin cannot edge
It slides axially.2. the diameter that the width of lock tongue is less than lock pin can follow lock pin from bolt so that lock tongue is when in a horizontal state
It is extracted out in the latch channels of ontology upper end；The length of lock tongue is greater than the diameter of lock pin, when so that lock tongue turning to vertical state, nothing
Method enters the latch channels of latch body upper end, so that lock pin be prevented to fall off from being pulled out or because of bounce.3. lock pin gland is convex
Platform is easier to process, and positions jointly to lock pin with latch channels；Lock pin open slot provides for the hinged and rotation of lock tongue
Space makes lock tongue may be at unlocking and locking two states by the rotation of lock tongue；4. need to extract lock pin, the right hand
Buttress lock tongue be allowed to lock pin coaxial line, i.e. lock tongue is in the unlocked state, and left hand is held lock pin head and can to the left be extracted lock pin,
Then latch body can be extracted upwards.5. since the latch channels at the top of lock pin and latch body are clearance fit, and pacifying
It can be permanently deformed unlike split pin during assembly and disassembly, therefore plug is very convenient, and repeatedly disassembly will not
It deforms, will not be more broken as split pin；No matter dismantled by how many times, the difficulty and risk of disassembly will not increase
Add.6. the disassembly of latch body is both achievable at 10 seconds or so, compared with original 5 minutes, the time is greatly saved, and significantly
Improve the efficiency of wellbore construction.7. disassembly or installation process in, lock tongue connect always in lock pin right end, will not fall off
Fall well event, improves the safety of construction.8. not needing in disassembly or installation process using screwdriver, hand vice, adze-eye hammer
Equal hand-held tools, make dangerous goods prevent the generation that hand-held tool falls well accident far from well head.
As an improvement of the present invention, the lock tongue be equipped with perforation two sides lock tongue kidney-shaped elongated slot, the lock tongue pin from
It is passed through in lock tongue kidney-shaped elongated slot.By lock tongue kidney-shaped elongated slot in the sliding on lock tongue pin so that unlock when, the tail end of lock tongue is as far as possible
It stretches out to the right, shortens the length of lock pin open slot and the overall length of lock pin, avoid lock pin stretching binding clip too long, operative employee is caused
Harm.
As a further improvement of the present invention, the left and right ends of lock pin gland upper surface are symmetrically welded with protruding upward
Lug, the upper ends of two lugs is equipped with the lug hole of coaxial line, is plugged with handle axle, the handle axle in the lug hole
Middle part be vertically welded with handlebar stem, the free end of the handlebar stem is vertically welded with the hand handle extended in the same direction with handle axle.?
Hand axis can in two lugs flexible rotating, when working condition, hand handle and handlebar stem lodging avoid sticking up at the top of latch body
Object is played to cause to interfere or cause unexpected injury to operative employee.When disassembly, after lock pin is extracted, hand handle is caught on hand and erects handlebar stem
It rises, lifts then up, latch body can be extracted.Due to the provision of hand-held hand handle, convenient for upwards firmly when extraction,
Can rotate left and right keeps extraction lighter, is not easy to slip after extraction, avoids slipping out of the hand and cause to fall well accident.
As a further improvement of the present invention, the hand handle is arc-shaped, and the both ends of hand handle are bent to handle axis direction.It inserts
When pulling out latch body, two fingers are located at handlebar stem two sides, and hook is exerted oneself upwards at the concave arc at hand handle both ends, due to hand handle
Arc-shaped bend, when finger is because of greasy skid, it is easier to slide to the root close to handlebar stem, rather than cunning causes to insert outward
Pin ontology falls off, and further reduced the risk of well.
As a further improvement of the present invention, the length of the handle axle is less than the upper surface diameter of the latch body,
The distance between and be greater than two lug outer end faces.The both ends of handle axle will not expose outside the upper surface of latch body, avoid to behaviour
Workmanship damages, and the length of handle axle is greater than the distance between two lug outer end faces and makes what situation, handle no matter occur
Axis falls well accident all without departing from the lug at both ends caused by will not falling off because of handle axle.
As a further improvement of the present invention, when hand handle and handlebar stem lodging at the upper surface of the latch body, institute
The outer rim for stating hand handle is located in the drop shadow spread of latch body upper surface.Latch body is in working condition, hand handle and handlebar stem
Lodging is in latch body, and gabarit does not expose the range of latch body upper surface, avoids damaging operative employee.
As a further improvement of the present invention, the lower end of the latch body is equipped with 2mm bolt chamfering.2mm bolt falls
Angle enters hole to just, avoiding wasting time when bolt because entering hole difficulty convenient for the lower end of latch body.
As a further improvement of the present invention, the lock tongue kidney-shaped elongated slot is offset to one end of the lock tongue length direction.
Sagging under the effect of gravity, lock tongue pin hangs in lock tongue kidney-shaped elongated slot and tangles the upper end of lock pin, is in stability, nothing
By in the course of work, how lock tongue beats, can all stablize in hang, guarantee that locking is reliable, prevent lock pin because bounce falls off,
Prevent surprisingly to fall well.
As a further improvement of the present invention, annular groove is equipped at the top 2mm of the bolt chamfering, the annular is recessed
Embedded with the bolt sealing ring for realizing sealing with binding clip pin hole in slot.1. bolt sealing ring seals up latch body and pin hole,
The lubricating grease that latch body periphery is smeared can be saved for a long time, avoid latch body get rusty cause diameter become smaller or
Finish is inadequate, can guarantee the intensity of latch body in large torque work, be allowed to be less likely to be damaged or fracture.2. bolt is close
The bottom of latch body is arranged in seal, does not influence the intensity of latch body itself, does not influence its ability for bearing torque.3. will
The lubricating grease of latch body periphery saves, and the disassembly of latch body can be made more flexible and convenient.
As a further improvement of the present invention, the diameter of the lock pin is 6mm.It can be mating most in the prior art
Type B tong latch body.
Detailed description of the invention
Fig. 1 is the main view of the portable connecting bolt of drilling well Type B tong of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the top perspective view of Fig. 1.
Fig. 4 is the perspective view of Fig. 1.
Fig. 5 is the explosive view of Fig. 4.
In figure: 1. latch bodies；1a. latch channels；1b. bolt sealing ring；1c. bolt chamfering；2. lock pin；2a. lock pin
Head；2b. lock pin open slot；3. lock tongue；3a. lock tongue kidney-shaped elongated slot；4. lock tongue pin；5. lock pin gland；5a. lock pin gland boss；
5a1. boss concave arc slot；6. lug；6a. lug hole；7. handle axle；8. handlebar stem；9. hand handle.
Specific embodiment
As shown in Figures 1 to 5, the portable connecting bolt of drilling well of the present invention Type B tong, including latch body 1, bolt
The upper surface of ontology 1 is equipped with the latch channels 1a of upper end opening, and diameter of the latch channels 1a along 1 top surface of latch body extends and pass through
It is logical, cylindrical stainless steel lock pin 2 is plugged in latch channels 1a, the diameter of lock pin 2 is 6mm.It is big that one end of lock pin 2 is equipped with diameter
Lock pin head 2a in 2 remaining position of lock pin, the other end of lock pin 2 are equipped with lock pin open slot 2b, are plugged in lock pin open slot 2b
Lock tongue 3, the two sides of lock tongue 3 are in oblong, and the width of lock tongue 3 is less than the diameter of lock pin 2, and the length of lock tongue 3 is greater than lock pin 2
Diameter is plugged with lock tongue pin 4 on lock tongue 3, and the both ends of lock tongue pin 4 are fixed in the pin hole of the two sidewalls lock pin open slot 2b；Lock pin
Lock pin gland 5 is covered with above slot 1a, the front and rear sides of 5 lower end surface of lock pin gland are mutually welded with the upper surface of latch body 1
It connects, middle part is equipped with downwardly projecting lock pin gland boss 5a, lock pin gland boss 5a insertion lock pin to lock pin gland 5 in the front-back direction
The upper end of slot 1a, and the lower end surface of lock pin gland boss 5a is equipped with the boss concave arc slot 5a1 being recessed upwards, the top of lock pin 2
In boss concave arc slot 5a1.
After latch body 1 is inserted into from top to bottom in the pin hole of binding clip, with it is hand steered live lock tongue 3 be allowed to 2 coaxial line of lock pin, so
It is inserted into the latch channels 1a at the top of latch body afterwards, shifts position onto horizontally to the right, lock pin head 2a determines the left end of lock pin 2
Position, after the lock tongue 3 of right end stretches out the outer wall of binding clip, lock tongue 3 turns to the state vertical with lock pin at this time, makes the right end of lock pin 2
It is limited, lock pin 2 cannot slide axially.When needing to extract lock pin 2, the right hand buttress lock tongue 3 be allowed to 2 coaxial line of lock pin, i.e.,
Lock tongue 3 is in the unlocked state, and left hand is held lock pin head 2a and can to the left be extracted lock pin 2, then can extract bolt upwards
The disassembly of ontology 1, latch body 1 is both achievable at 10 seconds or so.
The width of lock tongue 3 is less than the diameter of lock pin 2, so that lock tongue 3 is when in a horizontal state, lock pin 2 can be followed from inserting
It sells in the latch channels 1a of 1 upper end of ontology and extracts out；The length of lock tongue 3 is greater than the diameter of lock pin 2, so that lock tongue 3 turns to vertically
When state, the latch channels 1a of 1 upper end of latch body cannot be introduced into, so that lock pin 2 be prevented to fall off from being pulled out or because of bounce.
Disassembly or installation process in, lock tongue 3 connect always in lock pin 2 right end, well event will not be fallen off, improve construction
Safety.
Lock tongue 3 is equipped with the lock tongue kidney-shaped elongated slot 3a of perforation two sides, and lock tongue pin 4 is passed through from lock tongue kidney-shaped elongated slot 3a.
By lock tongue kidney-shaped elongated slot 3a in the sliding on lock tongue pin 4 so that unlock when, the tail end of lock tongue 3 stretches out to the right as far as possible, shorten
The length of lock pin open slot 2b and the overall length of lock pin 2 avoid the stretching binding clip of lock pin 2 too long, cause damages to operative employee.
Lock tongue kidney-shaped elongated slot 3a is offset to one end of 3 length direction of lock tongue.Sagging under the effect of gravity, lock tongue pin 4 is hung over
The upper end of lock pin 2 is tangled in lock tongue kidney-shaped elongated slot 3a, is in stability, no matter how lock tongue 3 jumps in the course of work
It is dynamic, can all stablize in hang, guarantee that locking is reliable, prevent lock pin 2 because bounce falls off, prevent unexpected to fall well.
The left and right ends of 5 upper surface of lock pin gland are symmetrically welded with lug 6 protruding upward, and the upper end of two lugs 6 is equipped with
It is plugged with handle axle 7 in the lug hole 6a of coaxial line, lug hole 6a, the middle part of handle axle 7 is vertically welded with handlebar stem 8, handle
The free end of bar 8 is vertically welded with the hand handle 9 extended in the same direction with handle axle 7.Handle axle 7 can in two lugs 6 flexible rotating,
When working condition, hand handle 9 and the lodging of handlebar stem 8 avoid tilting object from causing interference or to operative employee at the top of latch body 1
Cause unexpected injury.When disassembly, after lock pin 2 is extracted, hand handle 9 is caught on hand and holds up handlebar stem 8, is lifted then up
Latch body 1 is extracted.Due to the provision of hand-held hand handle 9, convenient for firmly, can also rotate left and right makes to extract upwards when extraction
More easily, it is not easy to slip after extraction, avoids slipping out of the hand and cause to fall well accident.
When hand handle 9 and the lodging of handlebar stem 8 are at the upper surface of latch body 1, the outer rim of hand handle 9 is located in latch body 1
In the drop shadow spread of end face.For latch body 1 in working condition, hand handle 9 and the lodging of handlebar stem 8 are in latch body 1, and gabarit
The range for not exposing 1 upper surface of latch body avoids damaging operative employee.
Hand handle 9 is arc-shaped, and the both ends of hand handle 9 are bent to 7 direction of handle axle.When plugging latch body 1, two fingers point
Not Wei Yu 8 two sides of handlebar stem, hook exert oneself upwards at the concave arc at 9 both ends of hand handle, due to the arc-shaped bend of hand handle 9, finger is because of oil
It is greasy when skidding, it is easier to it slides to close to the root of handlebar stem 8, rather than cunning causes latch body 1 to fall off outward, further
Reduce the risk of well.
The distance between the length of handle axle 7 is less than the upper surface diameter of latch body 1, and be greater than two lugs, 6 outer end face.
The both ends of handle axle 7 will not expose outside the upper surface of latch body 1, avoid damaging operative employee, and the length of handle axle 7 is big
Make what situation no matter occur in the distance between two lugs, 6 outer end face, handle axle 7 all without departing from both ends lug 6, no
Fall well accident caused by falling off because of handle axle 7.
The lower end of latch body 1 is equipped with the bolt chamfering 1c of 2mm.Bolt chamfering 1c enters convenient for the lower end of latch body 1
Hole is to just, avoiding wasting time when bolt because entering hole difficulty.
It is equipped with annular groove at the top 2mm of bolt chamfering 1c, is sealed in annular groove embedded with the realization of binding clip pin hole
Bolt sealing ring 1b.Bolt sealing ring 1b seals up latch body 1 with pin hole, 1 periphery of latch body can be smeared
Lubricating grease is saved for a long time, is avoided latch body 1 from getting rusty and is caused that diameter becomes smaller or finish is inadequate, is worked in large torque
When can guarantee the intensity of latch body 1, be allowed to be less likely to be damaged or fracture.Latch body 1 is arranged in bolt sealing ring 1b
Bottom does not influence the intensity of latch body 1 itself, does not influence its ability for bearing torque.By the lubricating grease of 1 periphery of latch body
It saves, the disassembly of latch body 1 can be made more flexible and convenient.
The foregoing is merely the preferable possible embodiments of the present invention, non-therefore limitation patent protection model of the invention
It encloses.In addition to the implementation, the present invention can also have other embodiments.All skills formed using equivalent substitution or equivalent transformation
Art scheme, is all fallen within the protection domain of application claims.Technical characteristic of the present invention without description can be by or using now
There is technology realization, details are not described herein.
Claims (10)
1. a kind of portable connecting bolt of drilling well Type B tong, including latch body, it is characterised in that: the latch body
Upper surface be equipped with the latch channels of upper end opening, diameter of the latch channels along latch body top surface extend and penetrate through, institute
It states and is plugged with cylindrical stainless steel lock pin in latch channels, one end of the lock pin is equipped with the lock that diameter is greater than remaining position of lock pin
Plunger, the other end of the lock pin are equipped with lock pin open slot, are plugged with lock tongue, the two sides of the lock tongue in the lock pin open slot
Face is in oblong, and the width of the lock tongue is less than the diameter of the lock pin, and the length of the lock tongue is greater than the diameter of the lock pin,
Lock tongue pin is plugged on the lock tongue, the both ends of the lock tongue pin are fixed in the pin hole of lock pin open slot two sidewalls；Institute
It states and is covered with lock pin gland above latch channels, the front and rear sides of lock pin gland lower end surface are upper with the latch body
End face is mutually welded, and middle part is equipped with downwardly projecting lock pin gland boss, the lock pin gland to the lock pin gland in the front-back direction
Boss is embedded in the upper end of the latch channels, and the lower end surface of lock pin gland boss is equipped with the boss concave arc slot being recessed upwards, institute
The top of lock pin is stated in the boss concave arc slot.
2. the portable connecting bolt of drilling well according to claim 1 Type B tong, it is characterised in that: on the lock tongue
Lock tongue kidney-shaped elongated slot equipped with perforation two sides, the lock tongue pin are passed through from lock tongue kidney-shaped elongated slot.
3. the portable connecting bolt of drilling well according to claim 1 Type B tong, it is characterised in that: the lock pin pressure
The left and right ends for covering end face are symmetrically welded with lug protruding upward, and the upper end of two lugs is equipped with the lug of coaxial line
Hole is plugged with handle axle in the lug hole, handlebar stem, the freedom of the handlebar stem is vertically welded in the middle part of the handle axle
End is vertically welded with the hand handle extended in the same direction with handle axle.
4. the portable connecting bolt of drilling well according to claim 3 Type B tong, it is characterised in that: the hand handle is in
Arc, and the both ends of hand handle are bent to handle axis direction.
5. the portable connecting bolt of drilling well according to claim 3 Type B tong, it is characterised in that: the handle axle
Length be less than the upper surface diameter of the latch body, and be greater than the distance between two lug outer end faces.
6. the portable connecting bolt of drilling well according to claim 3 Type B tong, it is characterised in that: when hand handle and handle
Hand lever lodges at the upper surface of the latch body, and the outer rim of the hand handle is located at the drop shadow spread of latch body upper surface
It is interior.
7. the portable connecting bolt of drilling well according to any one of claim 1 to 6 Type B tong, it is characterised in that:
The lock tongue kidney-shaped elongated slot is offset to one end of the lock tongue length direction.
8. the portable connecting bolt of drilling well according to any one of claim 1 to 6 Type B tong, it is characterised in that:
The lower end of the latch body is equipped with 2mm bolt chamfering.
9. the portable connecting bolt of drilling well according to claim 8 Type B tong, it is characterised in that: the 2mm bolt
It is equipped with annular groove at the top 2mm of chamfering, is sealed in the annular groove embedded with the bolt with the realization sealing of binding clip pin hole
Circle.
10. the portable connecting bolt of drilling well according to any one of claim 1 to 6 Type B tong, feature exist
In: the diameter of the lock pin is 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811194883.9A CN108999861B (en) | 2018-10-15 | 2018-10-15 | Portable connecting bolt of B-shaped tongs for well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811194883.9A CN108999861B (en) | 2018-10-15 | 2018-10-15 | Portable connecting bolt of B-shaped tongs for well drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108999861A true CN108999861A (en) | 2018-12-14 |
| CN108999861B CN108999861B (en) | 2023-09-08 |
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ID=64590647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811194883.9A Active CN108999861B (en) | 2018-10-15 | 2018-10-15 | Portable connecting bolt of B-shaped tongs for well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108999861B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720421A (en) * | 2020-06-24 | 2020-09-29 | 大连理工大学 | Needle roller assembly type cross washer |
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| CN204782842U (en) * | 2015-07-13 | 2015-11-18 | 四川川油天然气科技股份有限公司 | Drilling rod pincers of tightly breaking out |
| CN207064431U (en) * | 2017-08-08 | 2018-03-02 | 张家港市中联建设机械有限公司 | One kind sells square tube diameter of axle two-way locking device directly to households |
| CN207421084U (en) * | 2017-09-13 | 2018-05-29 | 贵州航天特种车有限责任公司 | A kind of fast lock pin of sideboard on cargo |
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| US20020069681A1 (en) * | 2000-10-04 | 2002-06-13 | Richard Golden | Fastener devices, such as lock-pins |
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| CN204283261U (en) * | 2014-11-04 | 2015-04-22 | 中国石油天然气股份有限公司 | A kind of hydraulic clamping tail line pin |
| CN204344610U (en) * | 2014-11-12 | 2015-05-20 | 国网河南省电力公司驻马店供电公司 | A kind of livewire work turnover panel jig pin |
| CN204782842U (en) * | 2015-07-13 | 2015-11-18 | 四川川油天然气科技股份有限公司 | Drilling rod pincers of tightly breaking out |
| CN207064431U (en) * | 2017-08-08 | 2018-03-02 | 张家港市中联建设机械有限公司 | One kind sells square tube diameter of axle two-way locking device directly to households |
| CN207421084U (en) * | 2017-09-13 | 2018-05-29 | 贵州航天特种车有限责任公司 | A kind of fast lock pin of sideboard on cargo |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720421A (en) * | 2020-06-24 | 2020-09-29 | 大连理工大学 | Needle roller assembly type cross washer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108999861B (en) | 2023-09-08 |
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