Multifunctional drill rod slip

Abstract

The utility model relates to the technical field of drill pipe slips, and provides a multifunctional drill pipe slip which comprises a slip body, a handrail mechanism is arranged on the outer side of the slip body, a baffle ring is attached to the inner wall of the slip body, and a bolt penetrates through the inner wall of the baffle ring. By arranging the handrail mechanism, a worker can lift the slip main body through the handrail mechanism and place the slip main body into a conical hole of a large square tile of the rotary table, the slip main body continuously shrinks under the action of a conical surface, and the tooth plate tightly clamps a tubular column, so that screwing-on or screwing-off operation can be performed; in this way, the purpose of placing the slip body into the taper hole through the handrail mechanism is achieved, the purpose of facilitating movement of the slip body is achieved, the three sets of handles of the handrail mechanism can be fixed at different angles according to the requirements of workers, the purpose of multiple functions is achieved, and the three sets of handles can be fixed to be in a vertical state when needing to be carried. When in use, the device can be fixed in an inclined state so as to be convenient for workers to use, thereby achieving the purpose of multiple functions.

Description

Technical Field

[0001] This utility model relates to the field of drill pipe slip technology, specifically to multifunctional drill pipe slip. Background Technology

[0002] Slips are tools used to hold and suspend the drill string and casing string during drilling operations. Slips reduce the labor intensity of wellhead operations and speed up the tripping process. The slips feature a three-piece structure, offering advantages such as simple design, easy operation, and secure clamping. The main load-bearing components are made of alloy castings, undergoing toughening treatment and precision machining to ensure the performance and interchangeability of each part. All slips undergo rigorous strength testing and non-destructive testing.

[0003] A search revealed an existing patent (publication number: CN 207470132 U) that discloses a drill pipe slip. The drill pipe slip includes a slip seat and a toothed plate installed within the slip seat. The toothed plate includes a plate body and teeth disposed on the inner arc surface of the plate body. A row of teeth is disposed on the plate body, each tooth being arranged along the arc direction of the inner arc surface of the plate body. The cross-section of the tooth surface is semi-circular, and the tooth surface is provided with an anti-slip layer. The drill pipe slip of this invention can securely clamp the drill pipe, distribute force evenly, is less likely to damage the pipe body, and has good anti-slip capability.

[0004] However, in the above scheme, the slips need to be manually placed into the conical hole during the drill pipe raising and lowering process. However, some slips only have one set or even no handle, which makes it difficult to move the slips and thus difficult to place them into the conical hole.

[0005] In view of this, the present invention proposes a multi-functional drill pipe slip. Utility Model Content

[0006] This utility model proposes a multi-functional drill pipe slip, which solves the problem of drill pipe slip in related technologies.

[0007] The technical solution of this utility model is as follows: a multi-functional drill pipe slip, including a slip body, a handrail mechanism provided on the outer side of the slip body, a retaining ring fitted to the inner wall of the slip body, a bolt passing through the inner wall of the retaining ring, a nut threaded onto the surface of the bolt, a toothed plate fixedly connected to the bottom of the retaining ring, a semi-circular head fixedly connected to the bottom of the toothed plate, a pin fixedly connected to the side wall of the slip body, and a hinge pin passing through the top of the pin.

[0008] Preferably, the handrail mechanism is provided in three sets, and each of the three sets of handrail mechanisms includes a connecting plate, a handle, a handle pin, a washer, and a cotter pin.

[0009] Preferably, the three groups of the slip body are respectively left and right slip bodies and a middle slip body, and the three groups of the slip body form a circular structure.

[0010] Preferably, the three groups of the blocking ring and the three groups of the tooth plate are respectively connected with the three groups of the slip body, the six groups of the bolt and the nut are respectively connected with the three groups of the blocking ring, and the nine groups of the semicircular head are respectively connected with the three groups of the tooth plate.

[0011] Preferably, the inner walls of the three groups of the slip body and the three groups of the blocking ring are respectively provided with fixing grooves matched with the six groups of the bolt, and the six groups of the bolt respectively pass through the fixing grooves in the inner walls of the three groups of the slip body and the three groups of the blocking ring.

[0012] Preferably, the six groups of the pin shaft and the two groups of the hinge pin are provided, four groups of the pin shaft are arranged on the two sides of the middle slip body, two groups of the pin shaft are respectively arranged on the side surfaces of the left and right groups of the slip body, and the top of the pin shaft is provided with an installation hole matched with the hinge pin.

[0013] Preferably, the outer side of the slip body is attached with an adapter plate, the top of the adapter plate is fixedly connected with a handle, the back surface of the adapter plate penetrates a handle pin, the surface of the adapter plate is embedded with a gasket, and the side surface of the handle pin penetrates a split pin.

[0014] Preferably, the outer side of the slip body is provided with two groups of round holes matched with the handle pin and the split pin, the surface and the back surface of the adapter plate are respectively provided with round holes matched with the gasket and the handle pin, the side surface of the handle pin is provided with a round hole matched with the split pin, and the surface of the gasket is provided with a round hole matched with the handle pin.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] The utility model discloses a handle structure is set up, and staff can take up and put into the cone hole of the big square tile of carousel of slip main body through handle structure, and slip main body is constantly contracted under the action of the taper surface, and the toothed plate tightly clamps the pipe column, and this time can carry out the operation of making up or unmaking, to realize the purpose of putting slip main body into the inside of the cone hole through handle structure, thereby realize the purpose of convenient slip main body movement, and three groups of handle of handle structure can also be fixed into different angles according to the demand of staff, thereby realize the purpose of multi -functional, when needing to carry, can be fixed into the vertical state, and when using, can be fixed into the inclined state to facilitate staff use, thereby realize the purpose of multi -functional.

[0017] The utility model discloses a bolt, nut, pin shaft and hinge pin are set up, and staff can install the retainer ring, toothed plate and semicircle head in the inboard of slip main body through the cooperation of bolt and nut, thereby realize the purpose of convenient installation and dismounting toothed plate, and then facilitate the replacement toothed plate, to guarantee the clamping stability of slip main body, and staff can assemble three slip main bodies together through six pin shafts and two hinge pins, to realize the purpose of convenient installation and dismounting slip main body, thereby facilitate staff carrying. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be explained further in detail in connection with the drawings and specific embodiment.

[0019] Figure 1 It is the first three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is the second three-dimensional structure schematic view of the utility model;

[0021] Figure 3 It is the pin shaft structure schematic view of the utility model;

[0022] Figure 4 It is the handle structure schematic view of the utility model;

[0023] Figure 5 It is the bolt structure schematic view of the utility model.

[0024] In the drawing: 1, slip main body;2, handle structure;21, link plate;22, handle;23, handle pin;24, washer;25, split pin;3, retainer ring;4, bolt;5, nut;6, toothed plate;7, semicircle head;8, pin shaft;9, hinge pin. SPECIFIC EMBODIMENT

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model. Embodiment 1

[0026] The preferred embodiment of the multifunctional drill rod slip provided by the utility model is as follows Figures 1 to 5 As shown in the figure: multifunctional drill rod slip, including slip main body 1, the outer side of slip main body 1 is provided with supporting mechanism 2, the inner wall of slip main body 1 is attached with retaining ring 3, the inner wall of retaining ring 3 is penetrated by bolt 4, the surface of bolt 4 is threadedly connected with nut 5, the bottom of retaining ring 3 is fixedly connected with jaw plate 6, the bottom of jaw plate 6 is fixedly connected with semicircular head 7, the sidewall of slip main body 1 is fixedly connected with pin shaft 8, the top of pin shaft 8 is penetrated by hinge pin 9.

[0027] In the embodiment, three groups of slip main bodies 1 are provided, and the three groups of slip main bodies 1 are left and right slip main bodies 1 and middle slip main body 1 respectively, and the three groups of slip main bodies 1 form a circular structure, and the three groups of slip main bodies 1 can more firmly clamp the pipe column by being provided.

[0028] In the embodiment, three groups of retaining rings 3 and three groups of jaw plates 6 are provided respectively, six groups of bolts 4 and nuts 5 are provided respectively, and nine groups of semicircular heads 7 are provided, three groups of retaining rings 3 and three groups of jaw plates 6 are connected with three groups of slip main bodies 1 respectively, six groups of bolts 4 and nuts 5 are connected with three groups of retaining rings 3 respectively, nine groups of semicircular heads 7 are connected with three groups of jaw plates 6 respectively, and the specific models of the bolt 4 and the nut 5 are GB / T68-M10x44 and GB / T6183-M10 respectively, and by providing three groups of retaining rings 3, three groups of jaw plates 6, six groups of bolts 4, six groups of nuts 5 and nine groups of semicircular heads 7, the staff can connect three groups of retaining rings 3, three groups of jaw plates 6 and nine groups of semicircular heads 7 with three groups of slip main bodies 1 respectively through six groups of bolts 4 and six groups of nuts 5.

[0029] In the embodiment, the inner walls of the three sets of slip main bodies 1 and the three sets of blocking rings 3 are provided with fixing grooves matched with the six sets of bolts 4, the six sets of bolts 4 respectively penetrate the fixing grooves in the inner walls of the three sets of slip main bodies 1 and the three sets of blocking rings 3, the staff can sequentially attach the three sets of blocking rings 3 to the inner sides of the three sets of slip main bodies 1, so that the mounting holes in the inner sides of the three sets of blocking rings 3 correspond to the mounting holes of the three sets of slip main bodies 1, then the six sets of bolts 4 are respectively penetrated through the mounting holes of the three sets of blocking rings 3 and the three sets of slip main bodies 1, and the six sets of nuts 5 are respectively screwed on the surfaces of the six sets of bolts 4, so that the three sets of blocking rings 3 are respectively installed on the inner sides of the three sets of slip main bodies 1, and then the three sets of toothed plates 6 and the nine sets of semicircular heads 7 are installed on the inner sides of the three sets of slip main bodies 1, so that the toothed plates 6 are conveniently installed and removed, and then the toothed plates 6 are conveniently replaced, so as to ensure the clamping stability of the slip main body 1.

[0030] In the embodiment, the pin shafts 8 are provided in six sets, the hinge pins 9 are provided in two sets, the four sets of pin shafts 8 are arranged on the two sides of the middle slip main body 1, the two sets of pin shafts 8 are respectively arranged on the side surfaces of the left and right slip main bodies 1, the top of the pin shaft 8 is provided with a mounting hole matched with the hinge pin 9, the staff can correspondingly coincide the six sets of pin shafts 8 on the side surfaces of the three sets of slip main bodies 1, so that the mounting holes in the top of the two sets of pin shafts 8 on the two sides of the middle slip main body 1 correspond to the mounting holes in the top of the pin shafts 8 on the side surfaces of the left and right slip main bodies 1, then the two sets of hinge pins 9 are respectively penetrated through the mounting holes in the top of the four sets of pin shafts 8 on the two sides of the middle slip main body 1 and the mounting holes in the top of the pin shafts 8 on the side surfaces of the left and right slip main bodies 1, so that the three sets of slip main bodies 1 are connected through the pin shafts 8 and the hinge pins 9. Embodiment 2

[0031] On the basis of the embodiment 1, the better implementation example of the multifunctional drill rod slip provided by the utility model is as follows Figures 1 to 5 As shown in the figure: the supporting mechanism 2 is provided in three sets, the three sets of supporting mechanisms 2 all include a connecting plate 21, a handle 22, a handle pin 23, a gasket 24 and a cotter pin 25, the outer side of the slip main body 1 is attached with the connecting plate 21, the top of the connecting plate 21 is fixedly connected with the handle 22, the back surface of the connecting plate 21 is penetrated through the handle pin 23, the surface of the connecting plate 21 is embedded with the gasket 24, and the side surface of the handle pin 23 is penetrated through the cotter pin 25.

[0032] In the embodiment, the outer side of the slip body 1 is provided with two groups of round holes matched with the handle pin 23 and the split pin 25 respectively, the surface and the back of the adapter plate 21 are provided with round holes matched with the washer 24 and the handle pin 23 respectively, the side surface of the handle pin 23 is provided with a round hole matched with the split pin 25, the surface of the washer 24 is provided with a round hole matched with the handle pin 23, the specific model of the washer 24 is GB / T97.2, the specific model of the split pin 25 is GB / T91-8x40, the round holes on the surface of the adapter plate 21 are corresponded with the round holes on the outer side of the slip body 1, then the washer 24 is embedded in the round holes on the surface of the adapter plate 21, then the handle pin 23 is penetrated through the round holes of the adapter plate 21, the slip body 1 and the washer 24, then the split pin 25 is penetrated through the round holes on the outer side of the slip body 1 and the side surface of the handle pin 23, and the split pin 25 is moved to fix the handle pin 23, so that the adapter plate 21 is connected with the slip body 1, and then the handle 22 is connected with the slip body 1, then the remaining two groups of handle supporting structures 2 are connected with the remaining two groups of slip bodies 1 by the same operation.

[0033] The working principle and use process of the utility model are as follows: firstly, three groups of blocking rings 3 are respectively matched with the inner sides of three groups of slip bodies 1, so that the mounting holes in the inner sides of the three groups of blocking rings 3 correspond with the mounting holes of the three groups of slip bodies 1, then six groups of bolts 4 are respectively penetrated through the mounting holes of the three groups of blocking rings 3 and the three groups of slip bodies 1, and six groups of nuts 5 are respectively screwed on the surfaces of the six groups of bolts 4, so that the three groups of blocking rings 3 are respectively installed on the inner sides of the three groups of slip bodies 1, and then the three groups of toothed plates 6 and nine groups of semicircular heads 7 are installed on the inner sides of the three groups of slip bodies 1, so that the toothed plate 6 is convenient to install and disassemble, and then the toothed plate 6 is convenient to replace, so that the clamping stability of the slip body 1 is ensured.

[0034] Subsequently, the round hole on the surface of the adapter plate 21 corresponds to the round hole on the outer side of the slip body 1, the gasket 24 is embedded in the round hole on the surface of the adapter plate 21, then the handle pin 23 is inserted through the round holes of the adapter plate 21, the slip body 1 and the gasket 24, the split pin 25 is inserted through the round holes on the outer side of the slip body 1 and the side surface of the handle pin 23, and the split pin 25 is moved to fix the handle pin 23, so that the adapter plate 21 is connected with the slip body 1, and then the handle 22 is connected with the slip body 1, subsequently, the remaining two sets of handle structures 2 are sequentially connected with the remaining two sets of slip bodies 1 by the same operation, after the connection is completed, the six sets of pin shafts 8 on the side surfaces of the three sets of slip bodies 1 are overlapped correspondingly, so that the mounting holes on the top of the two sets of pin shafts 8 on the both sides of the middle slip body 1 correspond to the mounting holes on the top of the pin shafts 8 on the side surfaces of the left and right slip bodies 1, then the two sets of hinge pins 9 are inserted through the mounting holes on the top of the four sets of pin shafts 8 on the both sides of the middle slip body 1 and the mounting holes on the top of the pin shafts 8 on the side surfaces of the left and right slip bodies 1, so that the three sets of slip bodies 1 are connected through the pin shafts 8 and the hinge pins 9, after the connection is completed, the worker can lift the slip body 1 through the handle structure 2 and put it into the tapered hole of the disc tile, the slip body 1 is continuously contracted under the action of the tapered surface, and the tooth plate 6 tightly clamps the pipe column, at this time, the make-up or break-out operation can be carried out, so as to realize the purpose of putting the slip body 1 into the tapered hole through the handle structure 2, thereby realizing the purpose of facilitating the movement of the slip body 1, and the three sets of handles 23 of the handle structure 2 can also be fixed at different angles according to the needs of the worker, when carrying, it can be fixed in a vertical state, and when using, it can be fixed in an inclined state to facilitate the worker to use, thereby realizing the purpose of multifunction.

[0035] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multifunctional drill pipe slip comprising a slip body (1), characterized in that, The outer side of the slip body (1) is provided with a supporting mechanism (2), the inner wall of the slip body (1) is attached with a blocking ring (3), the inner wall of the blocking ring (3) penetrates a bolt (4), the surface of the bolt (4) is threadedly connected with a nut (5), the bottom of the blocking ring (3) is fixedly connected with a jaw plate (6), the bottom of the jaw plate (6) is fixedly connected with a semicircular head (7), the side wall of the slip body (1) is fixedly connected with a pin shaft (8), the top of the pin shaft (8) penetrates a hinge pin (9).

2. The multi-functional drill pipe slip of claim 1, wherein, The supporting mechanism (2) is provided with three groups, and each of the three groups of supporting mechanisms (2) comprises a connecting plate (21), a handle (22), a handle pin (23), a washer (24) and a split pin (25).

3. The multi-functional drill pipe slip of claim 1, wherein, The slip body (1) is provided with three groups, and the three groups of slip bodies (1) are respectively left and right slip bodies (1) and a middle slip body (1), and the three groups of slip bodies (1) form a circular structure.

4. The multi-functional drill pipe slip of claim 1, wherein, The blocking ring (3) and the jaw plate (6) are respectively provided with three groups, the bolt (4) and the nut (5) are respectively provided with six groups, the semicircular head (7) is provided with nine groups, the three groups of blocking rings (3) and the three groups of jaw plates (6) are respectively connected with the three groups of slip bodies (1), the six groups of bolts (4) and nuts (5) are respectively connected with the three groups of blocking rings (3), the nine groups of semicircular heads (7) are respectively connected with the three groups of jaw plates (6), and the specific models of the bolt (4) and the nut (5) are GB / T68-M10x44 and GB / T6183-M10 respectively.

5. The multi-functional drill pipe slip of claim 1, wherein, The inner walls of the three groups of slip bodies (1) and the three groups of blocking rings (3) are each provided with a fixing groove matched with the six groups of bolts (4), and the six groups of bolts (4) respectively penetrate the fixing grooves in the inner walls of the three groups of slip bodies (1) and the three groups of blocking rings (3).

6. The multi-functional drill pipe slip of claim 1, wherein, The pin shaft (8) is provided with six groups, and the hinge pin (9) is provided with two groups, four groups of pin shafts (8) are arranged on the two sides of the middle slip body (1), two groups of pin shafts (8) are respectively arranged on the side surfaces of the left and right groups of slip bodies (1), and the top of the pin shaft (8) is provided with a mounting hole matched with the hinge pin (9).

7. The multi-functional drill pipe slip of claim 2, wherein, The outer side of the slip body (1) is attached with a connecting plate (21), the top of the connecting plate (21) is fixedly connected with a handle (22), the back of the connecting plate (21) penetrates a handle pin (23), the surface of the connecting plate (21) is embedded with a washer (24), and the side surface of the handle pin (23) penetrates a split pin (25).

8. The multi-functional drill pipe slip of claim 7, wherein, The outer side of the slip body (1) is provided with two groups of round holes matched with the handle pin (23) and the split pin (25), the surface and the back of the connecting plate (21) are respectively provided with round holes matched with the washer (24) and the handle pin (23), the side surface of the handle pin (23) is provided with a round hole matched with the split pin (25), and the surface of the washer (24) is provided with a round hole matched with the handle pin (23). The specific model of the washer (24) is GB / T97.2, and the specific model of the split pin (25) is GB / T91-8x40.

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