CN209130006U - The portable connecting bolt of drilling well Type B tong - Google Patents

Abstract

The utility model 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

The portable connecting bolt of drilling well Type B tong

Technical field

The utility model 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 Bolt 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.

Utility model content

The purpose of this utility model is that overcome problems of the prior art, a kind of drilling well Type B tong is provided Portable 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 of generating tool Fish accident.

In order to solve the above technical problems, the portable connecting bolt of a kind of drilling well Type B tong of the utility model, including Latch body, 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 The diameter in face extends and penetrates through, and cylindrical stainless steel lock pin is plugged in the latch channels, and one end of the lock pin is equipped with straight Diameter is greater than the lock pin head at remaining position of lock pin, and the other end of the lock pin is equipped with lock pin open slot, inserts in the lock pin open slot It is connected to 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 lock tongue Length is greater than the diameter of the lock pin, is plugged with lock tongue pin on the lock tongue, the both ends of the lock tongue pin are fixed on the lock pin In the pin hole of open slot two sidewalls；Lock pin gland is covered with above the latch channels, before lock pin gland lower end surface Two sides and the upper surface of the latch body are mutually welded afterwards, and middle part is equipped with downwardly projecting lock to the lock pin gland in the front-back direction Gland boss is sold, 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 The boss concave arc slot being recessed upwards, the top of the lock pin is in the boss concave arc slot.

Compared with the existing technology, the utility model achieves following the utility model has the advantages that 1. using cylindrical stainless steel lock pin generation For split 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, then It is inserted into the latch channels at the top of latch body, shifts position onto horizontally to the right, lock pin head positions the left end of lock pin, right end After lock tongue stretches 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 is not It can slide axially.2. the width of lock tongue is less than the diameter of lock pin so that lock tongue is when in a horizontal state, can follow lock pin from It is extracted out in the latch channels of latch body upper end；The length of lock tongue is greater than the diameter of lock pin, so that lock tongue turns to vertical state When, it cannot be introduced into 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 pressure Lid boss is easier to process, and positions jointly to lock pin with latch channels；Lock pin open slot is the hinged of lock tongue and rotation Space is provided, by the rotation of lock tongue, lock tongue is made to may be at unlocking and locking two states；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 holds lock pin head can be to the left by lock pin It extracts, then can extract latch body upwards.5. since the latch channels at the top of lock pin and latch body are clearance fit, And it can be permanently deformed unlike split pin during mounting and dismounting, therefore plug is very convenient, and repeatedly disassembly It will not deform, will not be more broken as split pin；No matter dismantled by how many times, the difficulty and risk of disassembly are not It will increase.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 Substantially increase the efficiency of wellbore construction.7. disassembly or installation process in, lock tongue connect always in lock pin right end, will not occur Fall off well event, improves the safety of construction.8. in disassembly or installation process, not needing to use screwdriver, hand vice, small The hand-held tools such as hammer make dangerous goods far from well head, prevent the generation that hand-held tool falls well accident.

As the improvement of the utility model, the lock tongue is equipped with the lock tongue kidney-shaped elongated slot of perforation two sides, the lock tongue Pin is passed through from 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 It stretches out to the right as far as possible, shortens the length of lock pin open slot and the overall length of lock pin, avoid lock pin stretching binding clip too long, to operative employee It causes damages.

The left and right ends of lock pin gland upper surface are symmetrically welded with upwards as a further improvement of the utility model, The lug of protrusion, the upper ends of two lugs are equipped with the lug hole of coaxial line, are plugged with handle axle in the lug hole, and described Handlebar stem is vertically welded in the middle part of hand axis, the free end of the handlebar stem is vertically welded with the hand extended in the same direction with handle axle ?.Handle axle can in two lugs flexible rotating, when working condition, hand handle and handlebar stem lodging at the top of latch body, Tilting object is avoided to cause to interfere or cause unexpected injury to operative employee.When disassembly, after lock pin is extracted, catching on hand handle with hand will be Hand lever is holded up, and is lifted then up, can extract latch body.Due to the provision of hand-held hand handle, convenient for upward when extraction Firmly, can also 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.

The hand handle is arc-shaped as a further improvement of the utility model, and the both ends of hand handle are curved to handle axis direction It is bent.When plugging 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, by In the arc-shaped bend of hand handle, when finger is because of greasy skid, it is easier to it slides to close to the root of handlebar stem, rather than it is sliding outward It causes latch body to fall off, further reduced the risk of well.

The length of the handle axle is straight less than the upper surface of the latch body as a further improvement of the utility model, The distance between diameter, 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 pair Operative employee damages, and the length of handle axle is greater than the distance between two lug outer end faces and makes what situation no matter occur, Hand 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 utility model, when hand handle and handlebar stem lodging are in the upper surface of the latch body When, the outer rim of the hand handle is located in the drop shadow spread of latch body upper surface.Latch body is in working condition, hand handle and handle Hand lever lodges in latch body, and gabarit does not expose the range of latch body upper surface, avoids damaging operative employee.

The lower end of the latch body is equipped with 2mm bolt chamfering as a further improvement of the utility model,.2mm is inserted Pin chamfering enters hole to just, avoiding wasting time when bolt because entering hole difficulty convenient for the lower end of latch body.

The lock tongue kidney-shaped elongated slot is offset to the one of the lock tongue length direction as a further improvement of the utility model, End.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 stable equilibrium's shape State, no matter in the course of work, how lock tongue beats, can all stablize in hang, guarantee that locking is reliable, prevent lock pin because of bounce It falls off, prevents surprisingly to fall well.

Annular groove, the ring are equipped at the top 2mm of the bolt chamfering as a further improvement of the utility model, Embedded with the bolt sealing ring for realizing sealing with binding clip pin hole in connected in star.1. bolt sealing ring seals latch body and pin hole Firmly, the lubricating grease that latch body periphery is smeared can be saved for a long time, avoids latch body from getting rusty and diameter is caused to become Small 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. inserting The bottom of latch body is arranged in pin sealing ring, does not influence the intensity of latch body itself, does not influence its ability for bearing torque. 3. the lubricating grease of latch body periphery is saved, the disassembly of latch body can be made more flexible and convenient.

The diameter of the lock pin is 6mm as a further improvement of the utility model,.It can be mating big absolutely in the prior art The latch body of most Type B tongs.

Detailed description of the invention

Fig. 1 is the main view of the portable connecting bolt of the utility model drilling well Type B tong.

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 the utility model drilling well Type B tong, including latch body 1, The upper surface of latch body 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 penetrate through, cylindrical stainless steel lock pin 2 is plugged in latch channels 1a, the diameter of lock pin 2 is 6mm.One end of lock pin 2 is equipped with straight Diameter is greater than the lock pin head 2a at 2 remaining position of lock pin, and the other end of lock pin 2 is equipped with lock pin open slot 2b, inserts in lock pin open slot 2b It is connected to 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 The diameter of pin 2 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 gland 5, the front and rear sides of 5 lower end surface of lock pin gland and the upper surface of latch body 1 are covered with above latch channels 1a It mutually welds, middle part is equipped with downwardly projecting lock pin gland boss 5a, lock pin gland boss 5a insertion to lock pin gland 5 in the front-back direction The upper end of latch channels 1a, and the lower end surface of lock pin gland boss 5a is equipped with the boss concave arc slot 5a1 being recessed upwards, lock pin 2 Top is 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 utility model, patent that is non-therefore limiting to the utility model Protection scope.In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change The technical solution to be formed is changed, is all fallen in the protection scope of the requires of the utility model.Technology of the utility model without description is special Sign can realize that details are not described herein by or using the prior art.

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.