CN214532857U - Jaw plate pin - Google Patents

Abstract

The utility model discloses a jaw plate pin, including the pin main part, the both ends of pin main part are provided with the arch, and open at bellied top has spacing U type groove, and the notch in spacing U type groove runs through bellied one side lateral wall, and bellied wherein a pair of relative lateral wall flushes with the side of pin main part, and the notch in spacing U type groove sets up on the protruding lateral wall that flushes with the pin main part, and the thread groove has been opened in the outside of pin main part, and the arch at both ends is identical, and the notch direction in spacing U type groove is unanimous in the arch. The utility model discloses with the effectual control of cuboid that is changed into by square the both ends face arch because the slide card that the fracture of spacing U type groove end edge caused dies, carried out corresponding thickening at the size of spacing U type groove both sides end and strengthened for the round pin main part has strengthened multifold moment of torsion dynamics when slideing in the jaw grillage slide, convex both ends are because size extension thickening is more difficult to the rupture.

Description

Jaw plate pin

Technical Field

The utility model relates to a drilling rod power tong accessory field, in particular to jaw plate pin.

Background

In the drilling rod power tong, the jaw plate pin is used to the indispensable needs of indispensable, and the jaw plate pin is the round pin axle that an indispensable directional aversion in any drilling rod power tong-jaw plate frame-jaw plate gyro wheel, and the group of drilling rod power tong is essential to be constructed: the jaw plate roller is placed in the through hole of jaw plate, and the jaw plate pin is worn out in the hole of jaw plate and gyro wheel, and the top and the bottom of jaw plate are all worn out from the both ends of jaw plate pin, with these three subassembly stopper back in the jaw grillage, come spacingly by the set screw on the jaw grillage to can drive the directional aversion of jaw plate and slide on the slide in the jaw grillage, thereby accomplish the work that drilling rod power pincers jaw plate pressed from both sides and sting the drilling rod drilling tool rotation.

In the course of the work, the jaw plate presss from both sides and stings drilling rod drilling tool during operation and bears the extrusion force to drive the directional aversion of jaw plate and slide on the slide in the jaw plate frame, accomplish drilling rod power tong jaw plate and press from both sides the rotatory work of stinging the drilling rod drilling tool, the jaw plate pin mainly plays driven effect, and current pin, both ends are provided with the arch, and bellied cross section is the square, and bellied one side is provided with spacing U type groove.

However, in the actual using process, the two protruding ends of the two protruding pins are short in stroke, the two protruding ends of the two protruding pins are transverse to the width of the slide way, and once the two protruding ends of the two protruding pins are worn and broken, the two protruding parts of the two ends of the pins can be immediately clamped in the slide way, so that the slide way is damaged back and forth, the time is long, the pins are broken instead of the slide way, if the pins of the jaw plate are clamped in the slide way, resistance is increased, the jaw plate can not completely clamp and bite the drilling tool, once the jaw plate can not bite the drilling tool, the tooth tips can be damaged and the drilling tool can be gnawed, meanwhile, the existing pins of the jaw plate are easy to corrode with the roller, the roller can drive the pins of the jaw plate to rotate, the directional displacement can not be realized, the slide way can be clamped easily, the appearance sizes of the two protruding ends of the existing pins of the jaw plate and the size limit distance of the U-shaped groove are short, the U-shaped groove is too wide, the frame is too thin, The stroke is too short, in case the frame damages a bit and just can't work again, because bellied partial size displacement distance is too short can't carry out the gyro wheel change to any model jaw, leads to only changing thickening size's tong teeth dental lamina and adjusts, has increased unnecessary cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art's defect, provide a jaw plate pin, reduced the unreasonable work of the excessive loss of former product in use and slide, increased the size regulatory function of associated accessory to and avoid using unnecessary thickening tong teeth dental lamina, in the appearance than former product scientific and reasonable, in application mechanics, functional, in the material loss, and other aspects of auxiliary function performance have played the limit.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a jaw plate pin, including the pin main part, the both ends of pin main part are provided with the arch, open at bellied top has spacing U type groove, the notch in spacing U type groove runs through bellied one side lateral wall, bellied wherein a pair of relative lateral wall flushes with the side of pin main part, the notch in spacing U type groove sets up on the protruding lateral wall that flushes with the pin main part, open in the outside of pin main part has the thread groove, both ends protruding identical, the notch direction in protruding last spacing U type groove is unanimous.

As a preferred technical scheme of the utility model, the length of pin main part is 139.5-140mm, the cross section diameter of pin main part is 44.95-45 mm.

As a preferred technical scheme of the utility model, two parallel bellied sharp lateral walls of cell wall in spacing U type groove, frame thickness between spacing U type groove and the protruding lateral wall is even.

As an optimized technical proposal of the utility model, the frame thickness between the spacing U-shaped groove and the convex outer side wall is at least 10mm, and the groove length of the spacing U-shaped groove is 35 mm.

As an optimized technical proposal of the utility model, the groove width of the thread groove is 3mm, the groove depth is 0.3-0.5mm, and the thread pitch is 40 mm.

As an optimized technical scheme of the utility model, the material of pin main part is 20 chromium manganese titanium, pin main part and protruding formula as an organic whole.

As an optimized technical scheme of the utility model, bellied outside edge is provided with the chamfer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model changes the two ends of the protrusion into the cuboid to effectively control the slide locking caused by the fracture of the end edge of the limiting U-shaped groove, and carries out corresponding thickening and strengthening on the size of the two ends of the limiting U-shaped groove, so that the pin main body strengthens the multiple torque force when sliding in the slide way of the jaw plate frame, the two protruded ends are more difficult to break due to the lengthening and the thickening of the size, because the appearance size of the cuboid of the two ends of the existing jaw plate pin is lengthened, the defects of short protruding square body, small torsion angle, wide size of the U-shaped groove, thin frame, and the like of the two ends of the original jaw plate pin are effectively solved, and the problems of the existing jaw plate pin, such as easy fracture of the slide way and the jaw plate pin, difficult biting of the jaw plate clamp to hold the drill rod, difficult biting of the waste tooth plate of the drill rod, unable cleaning of the rust and lubrication in the contact of the drill tool and the pin, etc. are fundamentally solved, the problem that the jaw plate can only fixedly use one size of roller is solved, the limitation that only thickened jaws can be used for compensating the size of the drill rod drilling tool is broken, the size of the roller can be directly changed to compensate the defect that the sizes of the drill rod drilling tool are different, and therefore the drilling cost is saved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a top view of the present invention

In the figure: 1. a pin body; 2. a protrusion; 3. a limiting U-shaped groove; 4. a thread groove; 5. and (6) chamfering.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in fig. 1-3, the utility model provides a jaw plate pin, including pin main part 1, the both ends of pin main part 1 are provided with protruding 2, it has spacing U type groove 3 to open at protruding 2's top, the notch in spacing U type groove 3 runs through one side lateral wall of arch 2, one of them a pair of relative lateral wall of protruding 2 flushes with the side of pin main part 1, the notch setting in spacing U type groove 3 is on protruding 2 and the lateral wall that pin main part 1 flushed, threaded groove 4 has been opened in the outside of pin main part 1, the arch 2 at both ends is identical, protruding 2 last spacing U type groove 3's notch direction is unanimous.

Further, the length of the pin body 1 is 139.5-140mm, the cross-sectional diameter of the pin body 1 is 44.95-45mm, and the size is used for most of rollers, and meanwhile fine adjustment is convenient and the application range is wide.

Two straight line lateral walls of the protruding 2 of cell wall parallel of spacing U type groove 3, frame thickness between spacing U type groove 3 and the protruding 2 lateral walls is even, and the even mechanical structure performance of thickness is good, can effectively prevent because the crushing and the wearing and tearing that the atress is inhomogeneous leads to.

The frame thickness between 2 lateral walls of spacing U type groove 3 and arch is 10mm at least, the groove length in spacing U type groove 3 is 35mm, compare with current thickness, the thickness of frame has been increased, thereby the torsion angle has been increased, and when there is tiny wearing and tearing and damage, still can maintain the normal use of longer a period of time, 35 mm's spacing U type groove 3, current size is prolonged greatly, thereby the restriction of pin at directional stroke has been broken, the distance of directional work has been increased, just cup joint the diameter at the 1 outside gyro wheel of pin main part with the increase, when pressing from both sides the jaw of the model size of same specification, because the long advantage of directional distance of pin main part 1, the diameter that increases the gyro wheel can be adjusted the size that the drilling rod joint diameter difference differs, avoid using the waste of unnecessary thickening dental lamina.

The groove width of the thread groove 4 is 3mm, the groove depth is 0.3-0.5mm, the thread pitch is 40mm, the size of the thread groove 4 is set, better lubricating and cleaning effects can be provided, meanwhile, the size is convenient for large-scale production, and the production cost is low.

The pin main part 1 is made of 20 chromium manganese titanium, the pin main part 1 and the protrusion 2 are integrated, 20 chromium manganese titanium is 20CrMnTi, the wear resistance is strong, the strength is high, the corrosion resistance is good, and the integrated design structure is high in strength.

The outer side edge of the bulge 2 is provided with a chamfer 5.

It is specific, thereby it has deepened spacing U type groove 3 to have thickened protruding 2, the frame thickness of having guaranteed between protruding 2 and the spacing U type groove 3 of size is enough, can adapt to the jaw plate clamp of more sizes, the thread groove 4 not only can prevent that the muddy water when having got up to bore is detained and produces the corrosion, and conveniently increase lubricating oil, be unlikely to pin main part 1 and gyro wheel and jaw plate corrosion after produce the adhesion, in the in-process of using, can pour lubricating oil in thread groove 4 and lubricate, thereby it is rotatory to effectively prevent that the lateral wall corrosion of pin main part 1 from leading to the rotatory outside roller that drives of pin main part 1, foreign matter between pin main part 1 and the roller also can be derived through thread groove 4 simultaneously, thereby be convenient for clean.

The utility model changes the two ends of the protrusion 2 from square to cuboid to effectively control the slide jam caused by the fracture of the end edge of the limit U-shaped groove 3, and carries out corresponding thickening and strengthening on the size of the two ends of the limit U-shaped groove 3, so that the pin main body 1 strengthens the torque force of multiple times when sliding in the slide way of the jaw plate frame, the two ends of the protrusion are more difficult to break because of the lengthening and thickening of the size, because the appearance size of the cuboid of the protrusion 2 at the two ends of the jaw plate pin is lengthened, the defects and the defects of short square body, small torque angle, wide size of the limit U-shaped groove 3, thin frame and the like of the protrusion 2 at the two ends of the jaw plate pin are effectively solved, and the problems of the original jaw plate pin, such as easy fracture of the slide way and the jaw plate pin, no bite of the drill rod by the jaw plate, no bite of the waste tooth plate of the drill rod and the drill tool, no cleaning of rust, lubrication and the like in the contact of the roller and the pin are fundamentally solved, the problem that the jaw plate can only fixedly use one size of roller is solved, the limitation that only thickened jaws can be used for compensating the size of the drill rod drilling tool is broken, the size of the roller can be directly changed to compensate the defect that the sizes of the drill rod drilling tool are different, and therefore the drilling cost is saved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a jaw plate pin, includes pin main part (1), the both ends of pin main part (1) are provided with protruding (2), open at the top of protruding (2) has spacing U type groove (3), one side lateral wall of protruding (2) is run through to the notch in spacing U type groove (3), a serial communication port, one of them a pair of relative lateral wall of protruding (2) flushes with the side of pin main part (1), the notch setting in spacing U type groove (3) is on the lateral wall that protruding (2) and pin main part (1) flushed, open in the outside of pin main part (1) has thread groove (4), both ends protruding (2) are identical, the notch direction of spacing U type groove (3) is unanimous on protruding (2).

2. A jaw plate pin as claimed in claim 1, in which the length of the pin body (1) is 139.5-140mm and the cross-sectional diameter of the pin body (1) is 44.95-45 mm.

3. The jaw pin as claimed in claim 1, characterised in that the walls of said U-shaped groove (3) are parallel to the two rectilinear outer side walls of the protrusion (2), the thickness of the border between the U-shaped groove (3) and the side walls of the protrusion (2) being uniform.

4. A jaw pin according to claim 3, characterised in that the thickness of the rim between the U-shaped groove (3) and the outer side wall of the boss (2) is at least 10mm, and the length of the U-shaped groove (3) is 35 mm.

5. A jaw pin according to claim 1, characterized in that the thread groove (4) has a groove width of 3mm, a groove depth of 0.3-0.5mm and a thread pitch of 40 mm.

6. The jaw plate pin as claimed in claim 1, wherein the pin body (1) is of 20 chromium manganese titanium, the pin body (1) and the protrusions (2) being integral.

7. A jaw pin according to claim 1, characterized in that the outer side corners of the protrusions (2) are provided with chamfers (5).

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