CN217999515U

CN217999515U - Drilling rod snatchs detection device

Info

Publication number: CN217999515U
Application number: CN202222231709.5U
Authority: CN
Inventors: 吴枝国; 薛程; 税理中; 刘鹏; 吴德庆; 周苏吉; 郭雯琥
Original assignee: Sinopec East China Petroleum Engineering Corp
Current assignee: Sinopec East China Petroleum Engineering Corp
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-09
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a drilling rod grabbing detection device, wherein horizontal fixing rods are respectively fixed in two vertical ear seats in the middle of a horizontal base, floating sleeves are respectively sleeved at the free ends of the two horizontal fixing rods, guide convex rings in the middle of the two horizontal fixing rods are matched with the inner walls of the floating sleeves, rotary covers are screwed at the inner ports of the floating sleeves, the outer end heads of the floating sleeves are sealed, and springs are respectively supported between a bottom plate of the floating sleeve and the guide convex rings; the two floating sleeve bottom plates are fixedly connected with a horizontal cross rod, cross rod support lugs extending towards the well mouth direction are welded at the two ends of the horizontal cross rod respectively, the two ends of a roll shaft are supported on the cross rod support lugs respectively, and a rotatable rubber roll is sleeved on the roll shaft; the one end welding that the well head was kept away from to horizontal base has the switch support, is fixed with proximity switch on the switch support, and the outer wall of one of them unsteady cover is fixed with the signal board, and the free end of signal board extends to proximity switch's probe direction. The drilling rod grabbing detection device can avoid the phenomena of rod damage and rod falling when the drilling rod is grabbed.

Description

Drilling rod snatchs detection device

Technical Field

The utility model relates to a drilling rod snatchs detection device belongs to oil drilling equipment technical field.

Background

With the progress of the technological level and the continuous development of the petroleum equipment technology, more and more automatic and intelligent technologies are applied to the field of petroleum equipment. During well drilling and repairing operation, local automatic equipment appears in each oil field successively, and the automatic equipment obtains certain effect in the process of tripping out and repairing the well. For example, the appearance of the drill floor mechanical arm effectively solves the problems of high labor intensity and high safety risk of manual pipe arrangement, but the use of the automatic equipment also brings new problems to the oil field. For example, when the drilling rig is used for tripping, the manipulator gripper on the drilling platform surface grabs a rod at a wellhead or grabs the rod in a stand area, and when the gripper grips the drill rod and closes, the drill rod is not completely gripped into the gripper, so that the drill rod is scratched or even is separated from the drill rod. Although various manufacturers adopt different methods to determine whether the gripper completely grips the drill rod into the gripper, certain limitations exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a drilling rod snatchs detection device, can avoid rig floor face manipulator to appear the drilling rod and do not grab totally the hindering pole that leads to and take off the pole phenomenon snatching the drilling rod in-process.

In order to solve the technical problem, the utility model discloses a drilling rod grabbing detection device, including horizontal base, the middle part welding of horizontal base has two vertical ear seats, is fixed with horizontal dead lever in two vertical ear seats respectively, and two horizontal dead levers are parallel to each other and stretch out to well head direction, and the free end of two horizontal dead levers is equipped with floating cover respectively, and the middle part of two horizontal dead levers is equipped with the direction bulge loop respectively, the periphery of direction bulge loop with the inner wall clearance fit of floating cover, the inner port periphery of floating cover has screwed the spiral cover respectively, the center of spiral cover is equipped with the spiral cover centre bore respectively and supplies horizontal dead lever to pass; the outer end of the floating sleeve is closed, and the free ends of the two horizontal fixing rods are respectively sleeved with springs which are respectively supported between the bottom plate of the floating sleeve and the guide convex ring; the two floating sleeve bottom plates are fixedly connected with a horizontal cross rod, the axis of the horizontal cross rod is perpendicular to the axis of the horizontal fixed rod, cross rod support lugs extending towards the direction of a well mouth are welded at the two ends of the horizontal cross rod respectively, the two ends of a roll shaft are supported on the cross rod support lugs respectively, and a rotatable rubber roll is sleeved on the roll shaft; the one end welding that the well head was kept away from to horizontal base has the switch support, be fixed with proximity switch on the switch support, the outer wall of one of them unsteady cover is fixed with the signal board, the free end of signal board to proximity switch's probe direction extends.

As an improvement of the utility model, two the bottoms of the vertical ear seats are connected into a whole.

As a further improvement of the present invention, the switch bracket is perpendicular to the vertical ear mount.

As a further improvement, the signal plate is L-shaped, and the free end extends from the gap between the two vertical ear seats to the probe direction of the proximity switch.

As a further improvement, the periphery of the spiral cover is evenly provided with a plurality of axial grooves.

As a further improvement, the stiff end of the horizontal fixing rod extends out of the center hole of the corresponding vertical ear seat respectively, and is equipped with the crescent groove respectively, the bottom of the crescent groove is the plane respectively, be fixed with the cardboard on the vertical ear seat respectively, one side border of the cardboard imbeds respectively in the corresponding crescent groove.

As a further improvement of the utility model, the cardboard is fixed on the terminal surface of vertical ear seat dorsad well head through two cardboard screws respectively.

As a further improvement of the utility model, the one end of roller is equipped with the mushroom head, and the other end is equipped with radial through-hole and pegs graft and has the split pin.

As a further improvement of the utility model, four corners of the horizontal base are respectively provided with waist-shaped elongated slots, and the axis of each waist-shaped elongated slot is parallel to the axis of the horizontal fixed rod.

As a further improvement, the outside of vertical ear seat, spiral cover, signal plate and switch support is located the inner chamber that keeps off the mud guard shield jointly, it fixes to keep off the mud guard shield on vertical ear seat or the horizontal base.

Compared with the prior art, the utility model discloses following beneficial effect has been obtained: the drilling rod is pressed on the rubber roll certainly after the well head gets into the open keeping silent of manipulator, and the rubber roll is pressed and is promoted floating sleeve and move backward, and the signal panel is close to or touches proximity switch's probe, and the proximity switch action is sent has the pole signal, then the closed completion of keeping silent of manipulator snatchs, so can avoid the drilling rod not to get into the manipulator completely and keep silent, and the manipulator is closed by force and is scratched the drilling rod, more avoids taking place to take off the pole and causes the operation accident.

Drawings

The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.

FIG. 1 is a first perspective view of the drill rod grabbing detection device with a mud guard removed;

FIG. 2 is a second perspective view of the drill rod gripping and detecting device of the present invention with the mud guard removed;

FIG. 3 is a front view of the drill rod grabbing detection device of the present invention;

fig. 4 is a top view of the drill rod grabbing detection device of the present invention.

In the figure: 1. a horizontal base; 2. a vertical ear mount; 3. a horizontal fixing rod; 3a, guiding a convex ring; 4. a floating sleeve; 5. a spring; 6. screwing a cover; 7. a horizontal cross bar; 7a, cross bar lugs; 8. a roll shaft; 9. a rubber roller; 10. a signal plate; 11. clamping a plate; 12. a mud guard; 13. a switch bracket; 14. a proximity switch.

Detailed Description

In the following description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not mean that the device must have a specific orientation.

As shown in fig. 1 to 4, the utility model discloses a detection device is snatched to drilling rod includes horizontal base 1, horizontal dead lever 3, unsteady cover 4, signal plate 10, horizontal cross bar 7, rubber roll 9 and proximity switch 14, and the middle part welding of horizontal base 1 has two vertical ear seats 2, and the bottom of two vertical ear seats 2 can link to each other and form wholly. Horizontal fixing rods 3 are respectively fixed in the two vertical lug seats 2, the two horizontal fixing rods 3 are parallel to each other and extend out towards the direction of a well mouth, the free ends of the two horizontal fixing rods 3 are respectively sleeved with a floating sleeve 4, the middle parts of the two horizontal fixing rods 3 are respectively provided with a guide convex ring 3a, the periphery of the guide convex ring 3a is in clearance fit with the inner wall of the floating sleeve 4, and the floating sleeve 4 can only slide along the axis of the horizontal fixing rods 3. The peripheral threads of the inner port of the floating sleeve 4 are respectively screwed with a rotary cover 6, and the center of the rotary cover 6 is respectively provided with a rotary cover central hole for the horizontal fixed rod 3 to pass through; the periphery of the screw cap 6 is uniformly provided with a plurality of axial grooves, so that the screw cap 6 is convenient to screw down or disassemble.

The outer end of the floating sleeve 4 is sealed by a floating sleeve bottom plate, the free ends of the two horizontal fixing rods 3 are respectively sleeved with a spring 5, and the springs 5 are respectively supported between the floating sleeve bottom plate and the guide convex ring 3 a; the two floating sleeve bottom plates are fixedly connected with the horizontal cross rod 7, the outer end faces of the two floating sleeve bottom plates can be respectively provided with a tenon, and the tenons are respectively embedded into corresponding concave holes of the horizontal cross rod 7 and are fixed through screws or directly welded.

The axis of horizontal pole 7 is mutually perpendicular with the axis of horizontal fixed rod 3, and horizontal pole journal stirrup 7a that stretches out to the well head direction is welded respectively at the both ends of horizontal pole 7, and the both ends of roller 8 support respectively on horizontal pole journal stirrup 7a, and the cover is equipped with rotatable rubber roll 9 on the roller 8, and the hole at rubber roll 9 both ends can be supported on roller 8 through the bearing respectively. The rubber roller 9 is in flexible contact with the outer wall of the drill rod, and when the drill rod is lifted, the rubber roller 9 can rotate, so that shaking and friction are reduced.

One end of the horizontal base 1, which is far away from the wellhead, is welded with a switch bracket 13, and the switch bracket 13 is vertical to the vertical lug 2; a proximity switch 14 is fixed on the switch bracket 13, the axis of the proximity switch 14 is parallel to the axis of the rubber roller 9, and a probe of the proximity switch 14 is positioned between the gaps between the two vertical ear seats 2.

A signal plate 10 is fixed on the outer wall of one of the floating sleeves 4, and the free end of the signal plate 10 extends towards the probe direction of the proximity switch 14. The signal board 10 is L-shaped, and the free end extends from the gap between the two vertical ear seats 2 to the probe direction of the proximity switch 14. The proximity switch 14 may be replaced with a travel switch or the like.

The fixed ends of the horizontal fixing rods 3 respectively extend out of the central holes of the corresponding vertical ear seats 2 and are respectively provided with crescent grooves, the bottoms of the crescent grooves are respectively planes, the vertical ear seats 2 are respectively fixed with clamping plates 11, and one side edges of the clamping plates 11 are respectively embedded into the corresponding crescent grooves. Two sides of the clamping plate 11 are matched with two side walls of the crescent groove, so that the axial positioning of the horizontal fixing rod 3 is realized firstly, and the horizontal fixing rod cannot move along the axis of the clamping plate; in addition, cardboard 11 border is leaned on the bottom plane of crescent recess, makes horizontal fixed rod 3 not rotate.

Cardboard 11 can be located the below of horizontal fixation pole 3, through two cardboard fix with screws on the terminal surface of vertical ear seat 2 back to the well head respectively, the last edge of cardboard 11 supports and leans on in the bottom plane below of crescent recess.

One end of the roll shaft 8 is provided with a mushroom head, and the other end is provided with a radial through hole and is inserted with a cotter pin. The positioning pin is inserted from one end with a radial through hole, one end of the positioning pin is abutted against the outer side of the cross rod support lug 7a by virtue of the mushroom head to realize positioning, the other end of the positioning pin is inserted into the split pin and then is opened, and the split pin is positioned on the outer side of the cross rod support lug 7a to realize positioning.

The four corners of the horizontal base 1 are respectively provided with waist-shaped long grooves, and the axis of each waist-shaped long groove is parallel to the axis of the horizontal fixed rod 3, so that the fixing and the axial position adjustment are convenient.

The outside of vertical ear seat 2, spiral cover 6, signal plate 10 and switch support 13 is located the inner chamber that keeps off mud guard shield 12 jointly, keeps off mud guard shield 12 and passes through the fix with screw at vertical ear seat 2, or the lower port is fixed on horizontal base 1, avoids the sewage or the mud that flow out in the drilling rod to cause the pollution to proximity switch 14 etc..

During assembly, the rotary cover 6 is sleeved on the fixed end of the horizontal fixed rod 3, then the fixed end of the horizontal fixed rod 3 is inserted into the central hole of the vertical ear seat 2, and the clamping plate 11 is installed to fix the horizontal fixed rod 3; then the spring 5 is put into the inner cavity of the floating sleeve 4, then the floating sleeve 4 is sleeved on the periphery of the guide convex ring 3a, the spring 5 is sleeved on the free end of the horizontal fixed rod 3, and then the spiral cover 6 is screwed on the inner port of the floating sleeve 4. And then, fixing a horizontal cross bar 7 on the two floating sleeve bottom plates, and installing a roll shaft 8 and a rubber roller 9.

When a drill rod enters the opened jaw of the manipulator at a wellhead, the drill rod can press the rubber roller 9, the rubber roller 9 is pressed to push the floating sleeve 4 to move backwards, the spring 5 is compressed, the signal plate 10 fixed on the outer wall of the floating sleeve 4 is close to or slightly touches the probe of the proximity switch 14, the proximity switch 14 acts to send a rod signal, and the situation that the drill rod completely enters the opened jaw of the manipulator is confirmed, and then the jaws of the manipulator are closed oppositely to complete grabbing. After the drill rod enters the well, the floating sleeve 4 resets under the tension of the spring 5, and the rubber roller 9 returns to the initial position.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent replacement or equivalent transformation fall within the protection scope required by the utility model. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.

Claims

1. The utility model provides a detection device is snatched to drilling rod, includes horizontal base, its characterized in that: the middle part of the horizontal base is welded with two vertical lug seats, horizontal fixing rods are respectively fixed in the two vertical lug seats, the two horizontal fixing rods are parallel to each other and extend out towards a well head, the free ends of the two horizontal fixing rods are respectively sleeved with a floating sleeve, the middle parts of the two horizontal fixing rods are respectively provided with a guide convex ring, the periphery of the guide convex ring is in clearance fit with the inner wall of the floating sleeve, the periphery of an inner port of the floating sleeve is respectively screwed with a rotary cover, and the center of the rotary cover is respectively provided with a rotary cover center hole for the horizontal fixing rod to pass through; the outer end of the floating sleeve is closed, and the free ends of the two horizontal fixing rods are respectively sleeved with springs which are respectively supported between the bottom plate of the floating sleeve and the guide convex ring; the two floating sleeve bottom plates are fixedly connected with a horizontal cross rod, the axis of the horizontal cross rod is perpendicular to the axis of the horizontal fixed rod, cross rod support lugs extending towards a well head are welded at two ends of the horizontal cross rod respectively, two ends of a roll shaft are supported on the cross rod support lugs respectively, and a rotatable rubber roll is sleeved on the roll shaft; the one end welding that the well head was kept away from to horizontal base has the switch support, be fixed with proximity switch on the switch support, the outer wall of one of them cover that floats is fixed with the signal plate, the free end of signal plate to proximity switch's probe direction extends.

2. The drill rod gripping detection device of claim 1, wherein: the bottoms of the two vertical ear seats are connected into a whole.

3. The drill rod gripping detection device of claim 1, wherein: the switch bracket is perpendicular to the vertical ear mount.

4. The drill rod gripping detection device of claim 1, wherein: the signal plate is L-shaped, and the free end extends towards the probe direction of the proximity switch from the gap between the two vertical ear seats.

5. The drill rod grabbing detection device according to claim 1, wherein: the periphery of spiral cover evenly is equipped with multichannel axial groove.

6. The drill rod grabbing detection device according to claim 1, wherein: the fixing ends of the horizontal fixing rods respectively extend out of the central holes of the corresponding vertical lug seats, crescent grooves are respectively formed in the fixing ends of the horizontal fixing rods, the bottoms of the crescent grooves are planes respectively, clamping plates are respectively fixed on the vertical lug seats, and one side edges of the clamping plates are respectively embedded into the corresponding crescent grooves.

7. The drill rod grabbing detection device according to claim 6, wherein: the clamping plates are respectively fixed on the end faces of the vertical lug seats, back to the well mouth, through two clamping plate screws.

8. The drill rod grabbing detection device according to claim 1, wherein: one end of the roll shaft is provided with a mushroom head, and the other end of the roll shaft is provided with a radial through hole and is inserted with a cotter pin.

9. The drill rod grip detecting device according to any one of claims 1 to 8, wherein: the four corners of the horizontal base are respectively provided with a waist-shaped long groove, and the axis of each waist-shaped long groove is parallel to the axis of the horizontal fixed rod.

10. The drill rod grip detecting device according to any one of claims 1 to 8, wherein: the outside of vertical ear seat, spiral cover, signal plate and switch support is located the inner chamber that keeps off the mud guard shield jointly, it fixes to keep off the mud guard shield on vertical ear seat or the horizontal base.