CN216240491U - Drilling and grinding pipe column clamping device - Google Patents

Abstract

The utility model belongs to the technical field of brill grinds equipment and specifically relates to a brill grinds tubular column card and puts, and it is including being used for the fixed bottom plate that sets up on the roof of the bearing slips that moves about, offer the breach that is used for supplying the tubular column to pass on the bottom plate, the both sides of bottom plate slide and set up the card and decide the piece, both sides all be provided with the nipper that is used for joint and location tubular column on the relative face of card and decide the piece, be provided with the mounting that is used for fixed both sides card and decides the piece relative position on the card and decide. This application has the effect that the bearing slips that solve to move about can press from both sides the string of hindering.

Description

Drilling and grinding pipe column clamping device

Technical Field

The application relates to the field of drilling and grinding equipment, in particular to a drilling and grinding pipe column clamping device.

Background

The operation under pressure is an advanced downhole operation technology for tripping the tubular column under the condition of keeping a certain pressure in a shaft and not releasing the pressure, and compared with the traditional downhole operation, the operation under pressure has the advantages that the protection of an oil-gas layer and the environment can be realized to the maximum extent, the stable production of the repaired oil-gas well is facilitated, and the water injection efficiency is improved. The operation technology with pressure is widely applied abroad, a series of operation devices with pressure are developed, a relatively perfect matching technical system is formed, and operation equipment with pressure is inevitably used in the operation with pressure.

At present, as shown in fig. 1, the operation equipment is pressed in area is including pressing equipment body 1, rotating hydraulic pressure carousel 11 that sets up on pressing equipment body 1 and fixing the bearing slips 12 that moves about on hydraulic pressure carousel 11, bearing slips 12 that moves about is including setting up base 13 on hydraulic pressure carousel 11 and fixing the curb plate 14 on base 13 both sides, curb plate 14 deviates from one side of base 13 and fixes and be provided with roof 15, all set up the perforation 16 that supplies the tubular column of pressing equipment body 1 to pass on base 13 and the roof 15, the both sides of base 13 are all rotated and are provided with the arc slips 17 that are used for the clamping tubular column, the fixed rotation hydro-cylinder 18 that is used for driving both sides arc slips 17 rotation to be close to or keep away from that is provided with on base 13.

With respect to the related art in the above, the inventors consider that: when the operation equipment that takes pressure utilizes hydraulic pressure carousel to bore and grind well workover, utilize the bearing slips that moves about to bear horizontal rotation load, the clamp force of needs is big, because the arc slips utilizes it to block the tubular column after rotating, during the clamping state, the arc slips laminates with the tubular column each other, and when the clamp force of needs is too big, can order about the arc slips rotatory along the turning point, finally can lead to the atress inequality of tubular column and injure the tubular column.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the bearing slips that move about can press from both sides the wounded tubular column, this application provides a brill grinds tubular column card and decides ware.

The application provides a bore and grind tubular column card ware adopts following technical scheme:

the utility model provides a bore and grind tubular column card fixing device, is including being used for the fixed bottom plate that sets up on the roof of the bearing slips that moves about, offer the breach that is used for supplying the tubular column to pass on the bottom plate, the both sides of bottom plate slide and set up the card fixed block, both sides all be provided with the nipper that is used for joint and location tubular column on the relative face of card fixed block, be provided with the mounting that is used for fixed both sides card fixed block relative position on the card fixed block.

Through adopting above-mentioned technical scheme, when needs clamping tubular column, the card piece through both sides removes, and drive the nipper of both sides and remove the clamping and fix a position the tubular column, and utilize the mounting to fix the position of both sides card piece, can make things convenient for simple joint and location tubular column, the breach that designs on card piece two halves design and the bottom plate can conveniently follow the roll-off in the tubular column when dismantling brill grinds tubular column card ware, moreover because both sides nipper keep face contact with the tubular column always at relative movement's in-process, can not produce the uneven problem of atress, consequently can be to the safe centre gripping of tubular column, can not lead to the tubular column to press from both sides and hinder and skid.

Optionally, the clamping blocks on the two sides are provided with a yielding opening on the opposite surface, the plurality of the nipper plates are arranged along the circumferential position of the yielding opening, and a fixing space for the pipe column of the belt pressing equipment body to pass through is formed between the nipper plates.

Through adopting above-mentioned technical scheme, all seted up the opening of stepping down on the relative face of card piece, and the nipper is provided with a plurality ofly along the open circumferential direction position of stepping down, because the tubular column is cylindric, the opening of stepping down can play fine effect of dodging to make things convenient for putting into of tubular column, and the nipper is along the open circumferential direction distribution of stepping down also can guarantee the evenly distributed of atress.

Optionally, a plurality of tooth seats are arranged in the abdicating opening of the clamping and fixing block along the circumferential direction of the abdicating opening, and the plurality of nippers are detachably connected to the plurality of tooth seats in one-to-one correspondence.

Through adopting above-mentioned technical scheme, along a plurality of toothholders of the open circumference installation of stepping down of card piece to can dismantle the nipper and connect on the toothholder, so can very simple realization nipper installation and change.

Optionally, each tooth holder is provided with a limiting groove for inserting the nipper, a clamping piece for preventing the nipper from moving out of the limiting groove is arranged on the tooth holder, and the tooth holder and the nipper are detachably connected with the limiting groove through the clamping piece.

By adopting the technical scheme, the nipper is moved in from the limiting groove on the tooth seat, and the nipper is prevented from moving out through the clamping piece, so that the nipper can be conveniently replaced, and the time is saved.

Optionally, the screens piece includes positioning bolt, the both ends of spacing groove run through the toothholder setting, the notch that is used for supplying positioning bolt to pass is seted up to the both sides of nipper, positioning bolt grafting and threaded connection are on the toothholder.

Through adopting above-mentioned technical scheme, when needs screens piece is spacing to the nipper, pass the notch with both sides positioning bolt, and plug and connect and threaded connection on the toothholder, clip the nipper through both sides positioning bolt to the realization is spacing to the nipper, and the notch can be convenient for positioning bolt and nipper butt in addition, avoids the nipper to fall out from the toothholder.

Optionally, a plurality of positioning grooves for inserting the tooth socket are formed in the yielding opening of the clamping block along the circumferential direction of the yielding opening, and each positioning piece for preventing the tooth socket from moving out of the positioning groove is fixedly arranged on the clamping block.

Through adopting above-mentioned technical scheme, be provided with along its circumference in the opening of stepping down of card piece and set up a plurality of constant head tanks, insert the tooth seat in the constant head tank to prevent through the screens piece that the tooth seat shifts out from the constant head tank, change tooth seat that from this can be very swift and convenient avoids the tooth seat to fall out from card piece.

Optionally, support plates are fixedly arranged on two sides of the bottom plate, through holes are formed in the opposite surfaces of the support plates on the two sides, and the clamping blocks on the two sides penetrate through the through holes of the support plates on the two sides and are arranged in the through holes of the support plates on the two sides in a sliding mode.

Through adopting above-mentioned technical scheme, at the both sides fixed mounting extension board of bottom plate to all set up the through-hole on the relative face of both sides extension board, wear to establish and slidable mounting in the through-hole of both sides extension board through fixing the piece with both sides card, this kind of card piece is very easy to assemble, and the extension board has better supporting role moreover, and the through-hole also is convenient for process, and whole mechanical properties is better.

Optionally, the setting element is including dismantling the fixed stop of connection on the card dress piece, the both ends of constant head tank are to run through the setting of card dress piece, the toothholder is used for with the fixed stop butt, the opening that is used for supplying the tubular column to pass through is offered to the position that just is located the constant head tank on the fixed stop.

Through adopting above-mentioned technical scheme, insert the constant head tank of card solid piece with the toothholder, block the toothholder through dismantling the fixed stop of connecting on the solid piece of card, can avoid the toothholder to fall out from the card solid piece like this to change the toothholder that can be very convenient.

Optionally, the mounting includes connecting screw and nut, connecting screw slides and wears to establish on one of them side card decides the piece and with opposite side card decides piece threaded connection, nut threaded connection just with the mutual butt setting of card piece on connecting screw, set up the tang that is used for supplying the extension board to be close to the edge butt of through-hole when card piece passes the through-hole on deviating from the face of card piece of fixation baffle.

Through adopting above-mentioned technical scheme, slide many connecting screw and wear to establish on one of them card fixed piece and with opposite side card fixed piece threaded connection, rethread nut threaded connection on connecting screw and with the mutual butt of card fixed piece, at this moment the tang on the fixed stop can with the mutual butt of extension board, because the tang and the mutual butt of both sides extension board of both sides fixed stop, can realize fixing both sides card fixed piece, it is very convenient and fixed effectual to fix like this, the dismouting of being convenient for very much simultaneously, also be convenient for draw in two halves card fixed piece with two double-screw bolts and press from both sides tight tubular column.

Optionally, a connecting plate is fixedly arranged on the bottom plate and between the support plates on the two sides, one side of the connecting plate is fixedly connected to the support plate on one side, and the other side of the connecting plate is fixedly connected to the support plate on the other side.

By adopting the technical scheme, the connecting plate is fixedly arranged on the bottom plate, and the side surfaces of the two sides of the connecting plate are respectively fixedly connected with the supporting plates on the two sides, so that the overall strength of the bottom plate and the supporting plates can be increased.

In summary, the present application includes at least one of the following beneficial technical effects:

when a tubular column is required to be clamped, the clamping blocks on the two sides move, the clamp plates on the two sides are driven to move to clamp and position the tubular column, the fixing pieces are used for fixing the positions of the clamping blocks on the two sides, the tubular column can be conveniently and simply clamped and positioned, the two halves of the clamping blocks and the notches designed on the bottom plate can conveniently slide out of the tubular column when the drilling and grinding tubular column clamping device is disassembled, and the clamp plates on the two sides are always in surface contact with the tubular column in the relative movement process, so that the problem of uneven stress is avoided, the tubular column can be safely clamped, and the tubular column cannot be clamped and slipped;

when the clamping piece is required to limit the nipper, the positioning bolts at two sides penetrate through the notch, are inserted and connected onto the tooth holder in a threaded manner, and clamp the nipper through the positioning bolts at two sides, so that the nipper is limited, the positioning bolts can be conveniently abutted against the nipper through the notch, and the nipper is prevented from falling out of the tooth holder;

the tooth socket is blocked by the fixing baffle detachably connected to the clamping block, so that the tooth socket can be prevented from falling out of the clamping block, and the tooth socket can be conveniently replaced.

Drawings

Fig. 1 is a schematic structural view of the related art;

FIG. 2 is a schematic diagram of the overall structure of the present application;

FIG. 3 is a schematic view of the present application showing the tooth socket, the jaw plate and the jaw;

fig. 4 is an exploded schematic view of the present application.

Description of reference numerals: 1. a pressurized equipment body; 11. a hydraulic rotary table; 12. a traveling load-bearing slip; 13. a base; 14. a side plate; 15. a top plate; 16. perforating; 17. an arc-shaped slip; 18. rotating the oil cylinder; 2. a base plate; 21. a notch; 3. a clamping block; 31. a abdication opening is formed; 32. a dental base; 33. a limiting groove; 34. positioning the bolt; 4. a nipper plate; 41. a pair of tongs teeth; 42. a notch; 5. positioning a groove; 6. a support plate; 61. a through hole; 7. fixing a baffle plate; 71. opening the gap; 72. stopping the opening; 8. connecting a screw rod; 81. a nut; 9. a connecting plate; 10. an eye bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses brill grinds tubular column card and decides ware, refer to fig. 2 and 3 and show, a brill grinds tubular column card and decides ware is including being used for fixing the bottom plate 2 on the roof 15 of bearing slips 12 that moves about through the bolt, offer the breach 21 that is used for supplying the tubular column to pass on the bottom plate 2, the both sides of bottom plate 2 slide and set up the card and decide piece 3, all be provided with the nipper 4 that is used for joint and location tubular column on the relative face of both sides card and decide piece 3, in this implementation, nipper 4 is provided with a plurality of cuspid form tongses 41 that can bear horizontal rotation load towards the tubular column on the face of tubular column, tongses 41 evenly distributed is on nipper 4, be provided with the mounting that is used for fixed both sides card and decide 3 relative position on the card and decide piece 3.

Referring to fig. 4, in order to facilitate putting in of the pipe column, the yielding openings 31 are formed in the opposite surfaces of the clamping blocks 3 on the two sides, the plurality of nippers 4 are arranged along the circumferential positions of the yielding openings 31, in this embodiment, the two nippers 4 on each clamping block 3 are arranged, a fixed space for the pipe column of the belt pressing device body 1 to pass through is formed between the four nippers 4, the pipe column is cylindrical, the yielding openings 31 can play a good yielding role, and the uniform distribution of stress can be ensured along the circumferential distribution of the yielding openings 31 of the nippers 4.

Referring to fig. 2, in order to conveniently replace the nipper 4, four tooth holders 32 are detachably mounted in the abdicating opening 31 of the locking block 3 along the circumferential direction thereof, a limiting groove 33 for inserting the nipper 4 is formed in each of the four tooth holders 32, in this embodiment, the shape of the limiting groove 33 is selected to be a dovetail groove, in other embodiments, a "T" -shaped groove is selected as the shape of the limiting groove 33, a clamping member for preventing the nipper 4 from moving out of the limiting groove 33 is disposed on each of the tooth holders 32, the tooth holders 32 and the nipper 4 are detachably connected with the limiting groove 33 through the clamping member, the nipper 4 is moved in from the limiting groove 33 on the tooth holder 32, and the nipper 4 is prevented from moving out through the clamping member, so that the nipper 4 can be conveniently replaced, and time is saved.

Referring to fig. 4, when the clamping member is required to limit the vise plate 4, the clamping member includes the positioning bolt 34, two ends of the limiting groove 33 penetrate through the tooth socket 32, and two sides of the vise plate 4 are provided with notches 42 for the positioning bolt 34 to pass through, in this embodiment, the notches 42 are U-shaped, the positioning bolts 34 on two sides penetrate through the notches 42, are inserted and connected to the tooth socket 32 in a threaded manner, and clamp the vise plate 4 through the positioning bolts 34 on two sides, so as to limit the vise plate 4, and the notches 42 can facilitate the abutting of the positioning bolts 34 with the vise plate 4, so as to prevent the vise plate 4 from falling out of the tooth socket 32, when different pipe columns are used and the matched vise teeth 41 need to be replaced, only one of the positioning bolts 34 on the tooth socket 32 needs to be screwed off, and the vise plate 4 is pulled out, so that the drill pipe column clamping device is very convenient to disassemble and install, and in this embodiment, the drill pipe column clamping device can be suitable for 2-3/8, 2-7/8, 3-1/2 and the like.

Referring to fig. 4, in order to conveniently detach the tooth socket 32, a plurality of positioning grooves 5 for inserting the tooth socket 32 are formed in the abdicating opening 31 of the locking block 3 along the circumferential direction, in this embodiment, the shape of the positioning groove 5 is selected to be a dovetail groove, in other embodiments, a "T" shaped groove can be selected as the shape of the positioning groove 5, a positioning member for preventing the tooth socket 32 from moving out of the positioning groove 5 is fixedly arranged on each locking block 3, the tooth socket 32 is prevented from moving out of the positioning groove 5 through the locking block, therefore, the tooth socket 32 can be quickly and conveniently replaced, and the tooth socket 32 is designed in a dovetail shape, so that the tooth socket 32 can be prevented from falling out of the locking block 3.

Referring to fig. 4, the supporting plates 6 are fixedly installed on two sides of the bottom plate 2, the through holes 61 are formed in the opposite surfaces of the supporting plates 6 on the two sides, and the clamping blocks 3 on the two sides are arranged in the through holes 61 of the supporting plates 6 on the two sides in a penetrating and sliding mode, so that the clamping blocks 3 are convenient to install, the supporting plates 6 have a good supporting effect, the through holes 61 are convenient to process, and the overall mechanical performance is good.

Refer to fig. 4 and show, in order to realize the location to toothholder 32, the setting element is including dismantling fixed stop 7 of connection on calorie fixed piece 3, fixed stop passes through countersunk head bolt and can dismantle the connection on calorie fixed piece 3, and the both ends of constant head tank 5 are and run through calorie fixed piece 3 setting, toothholder 32 is used for with fixed stop 7 butt, fixed stop 7 is last and is located the position of constant head tank 5 and offers the opening 71 that is used for supplying the tubular column to pass through, through inserting toothholder 32 the constant head tank 5 of calorie fixed piece 3, at this moment, fixed stop 7 on calorie fixed piece 3 blocks toothholder 32, toothholder 32 can be avoided falling out from calorie fixed piece 3, and change toothholder 32 that can be very convenient.

Referring to fig. 2 and 4, in order to fix the two side locking blocks 3, the fixing member includes a connecting screw 8 and a nut 81, the connecting screw 8 is slidably inserted into one side locking block 3 and is in threaded connection with the other side locking block 3, the nut 81 is in threaded connection with the connecting screw 8 and is abutted against the locking block 3, a stop 72 for abutting against the edge of the support plate 6 close to the through hole 61 when the locking block 3 passes through the through hole 61 is formed on the surface of the fixing baffle 7 facing away from the locking block 3, in this embodiment, two connecting screws 8 are provided and are installed on two sides of the locking block 3, by slidably inserting two connecting screws 8 into one side locking block 3 and being in threaded connection with the other side locking block 3, and then by threadedly connecting the nut 81 to the connecting screws 8 and being abutted against the locking blocks 3, the stop 72 on the fixing baffle 7 is abutted against the support plate 6, the rabbets 72 of the two side fixing baffles 7 are abutted against the two side support plates 6, so that the two side clamping blocks 3 can be fixed.

Referring to fig. 4, in order to increase the overall strength of the base plate 2 and the support plates 6, the connecting plate 9 is welded on the base plate 2 and between the support plates 6 on the two sides, one side of the connecting plate 9 is welded on one support plate 6 on one side, and the other side of the connecting plate 9 is welded on the support plate 6 on the other side, so that the overall strength can be effectively improved.

Referring to fig. 2, the support plates 6 on both sides are provided with the eyebolts 10, and the eyebolts 10 penetrate through and are in threaded connection with the support plates 6, so that the lifting is very convenient during disassembly and assembly.

The implementation principle of drilling and grinding pipe column clamping device in the embodiment of the application is as follows: when the well drilling and repairing is needed by the equipment with pressure operation, the bottom plate 2 of the drilling and grinding pipe column clamping device is fastened on the upper surface of the floating bearing slip 12 of the equipment with pressure operation by bolts, wherein one clamping block 3 at one side is designed with two large threaded holes, the other clamping block is designed as an installation through hole, two connecting screw rods 8 are convenient for drawing the clamping blocks 3 at two sides into a clamping pipe column, the dovetail groove of each clamping block 3 is convenient for the tooth holder 32 to be quickly inserted and not to fall off outwards, the upper side and the lower side of each clamping block 3 are respectively provided with a screw hole, the fixing baffle 7 with a spigot 72 is convenient to install, the connecting part of the tooth holder 32 and the jaw 4 is also designed as a dovetail groove, the jaw 4 is convenient to be quickly inserted and not to fall off outwards, the U-shaped notch 42 is arranged on the jaw 41, the jaw 4 is prevented from sliding out in the dovetail groove of the tooth holder 32 up and down, the screw head of the positioning bolt 34 cannot exceed the tooth of the jaw 41, so as to prevent the jaw 41 from clamping the tubular column, the fixed baffle 7 is provided with a spigot 72 and is matched with the through hole 61 on the support plate 6 for use, the fixed baffle 7 blocks the tooth holder 32 in the dovetail groove of the clamping block 3, when different pipe columns are used and the matched pliers teeth 41 need to be replaced, only one positioning bolt 34 on the tooth holder 32 needs to be screwed off, the nipper 4 is drawn out, the corresponding nipper 4 is inserted into the dovetail groove of the tooth holder 32, so that the nipper 4 is very convenient to replace, and the time is saved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a bore and grind tubular column card ware which characterized in that: including being used for fixed bottom plate (2) that sets up on roof (15) of bearing slips (12) that move about, offer breach (21) that are used for supplying the tubular column to pass on bottom plate (2), the both sides of bottom plate (2) slide and set up clamping block (3), both sides all be provided with nipper (4) that are used for joint and location tubular column on clamping block (3) the relative face, be provided with the mounting that is used for fixed both sides clamping block (3) relative position on clamping block (3).

2. The drilling and grinding string retainer as recited in claim 1, wherein: both sides all seted up on the relative face of clamping piece (3) and stepped down opening (31), nipper (4) are provided with a plurality ofly along the circumference position of stepped down opening (31), and are a plurality of form the fixed space that supplies the tubular column of area pressure equipment body (1) to pass through between nipper (4).

3. The drilling and grinding string retainer as recited in claim 2, wherein: a plurality of tooth seats (32) are arranged in the abdicating opening (31) of the clamping block (3) along the circumferential direction of the clamping block, and the jaw plates (4) are detachably connected in a one-to-one correspondence mode on the tooth seats (32).

4. The drill-mill string retainer as set forth in claim 3, wherein: every all set up on toothholder (32) and supply nipper (4) male spacing groove (33), be provided with on toothholder (32) and be used for preventing nipper (4) from following the screens piece that spacing groove (33) shifted out, toothholder (32) and nipper (4) can be dismantled with spacing groove (33) through the screens piece and be connected.

5. The drill-mill string retainer as set forth in claim 4, wherein: the screens piece includes positioning bolt (34), the both ends of spacing groove (33) are run through toothholder (32) set up, notch (42) that are used for supplying positioning bolt (34) to pass are seted up to the both sides of nipper (4), positioning bolt (34) are pegged graft and threaded connection is on toothholder (32).

6. The drilling and grinding string retainer as recited in claim 5, wherein: the offering opening (31) of block piece (3) is provided with along its circumference and has seted up a plurality of constant head tanks (5) that are used for supplying toothholder (32) male, every all fixed being provided with on block piece (3) is used for preventing toothholder (32) from following the setting element that constant head tank (5) shifted out.

7. The drilling and grinding string retainer as recited in claim 6, wherein: support plates (6) are fixedly arranged on two sides of the bottom plate (2), through holes (61) are formed in the opposite surfaces of the support plates (6) on the two sides, and the clamping blocks (3) on the two sides penetrate through and are arranged in the through holes (61) of the support plates (6) on the two sides in a sliding mode.

8. The drill-mill string retainer as recited in claim 7, wherein: the setting element is including dismantling fixed stop (7) of connection on calorie fixed block (3), the both ends of constant head tank (5) are and run through calorie fixed block (3) set up, toothholder (32) are used for with fixed stop (7) butt, opening (71) that are used for supplying the tubular column to pass through are offered to the position that just is located constant head tank (5) on fixed stop (7).

9. The drill-mill string retainer as recited in claim 8, wherein: the mounting includes connecting screw (8) and nut (81), connecting screw (8) slide wear to establish on one of them one side card decides piece (3) and with opposite side card decides piece (3) threaded connection, nut (81) threaded connection on connecting screw (8) and with the mutual butt setting of card decides piece (3), set baffle (7) are deviated from and are offered on the face of card decides piece (3) and are used for supplying extension board (6) to be close to tang (72) of the edge butt of through-hole (61) when card decides piece (3) pass through-hole (61).

10. The drill-mill string retainer as recited in claim 9, wherein: a connecting plate (9) is fixedly arranged on the bottom plate (2) and between the support plates (6) on the two sides, one side of the connecting plate (9) is fixedly connected to the support plate (6) on one side, and the other side of the connecting plate (9) is fixedly connected to the support plate (6) on the other side.

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