CN220955459U - Over-goaf sleeve drilling device - Google Patents

Abstract

The utility model discloses a goaf sleeve drilling device which comprises a connecting block, wherein the bottom of the connecting block is connected with the connecting plate, one side of the bottom of the connecting plate is connected with a fixed plate, the bottom of the connecting plate is provided with a T-shaped chute, an inner cavity of the T-shaped chute is movably provided with a T-shaped sliding block, the bottom of the T-shaped sliding block is connected with a clamping plate, both sides of the fixed plate are connected with first side plates, one side of each first side plate is connected with a first protruding plate, both sides of each clamping plate are connected with second side plates, one side of each second side plate is connected with a second protruding plate, one end of each second protruding plate is provided with a telescopic groove in a penetrating manner, and the inner cavity of each telescopic groove is provided with a telescopic cylinder. Through the cooperation of splint, fixed plate and telescopic cylinder, can be convenient for install the sleeve pipe centre gripping to different specifications to hoisting device's suitability. Through the use of the anti-slip strip, the friction between the device and the sleeve can be increased, so that the stability of the device is improved.

Description

Over-goaf sleeve drilling device

Technical Field

The utility model relates to the technical field of casing drilling, in particular to a goaf casing drilling device.

Background

Casing drilling refers to the application of torque and weight to a drill bit by using casing instead of a drill rod, so as to realize rotation and drilling of the drill bit. The whole drilling process does not use a drill rod, a drill collar and the like, the drill bit is thrown and fished by using a steel wire rope, and the lifting of the drill bit in the sleeve is realized, namely, the replacement of the drill bit without lifting the drill bit is realized. Accidents such as tripping, blowout, sticking and the like are reduced, the drilling safety is improved, and the drilling cost is reduced.

According to the utility model, the utility model of the Chinese patent publication No. CN211201756U in the prior art, a casing device for oilfield drilling is disclosed, which comprises a connector, a support plate, an adjusting seat, a rotating handle, an adjusting column, a locking seat, a bearing, a clamping ring, a buffer pad and an anti-slip rubber pad.

And the prior art, a petroleum drilling casing device with the Chinese patent publication number of CN 217380452U.

Above-mentioned multiple technical scheme for the result of use of casing device is better through different modes, but I think that above-mentioned multiple scheme still can not be better to the sleeve pipe centre gripping, like chinese patent publication No. CN 211201756U's patent application, this kind of fastening mode need use more bolts, and the operation is comparatively inconvenient, or like chinese patent publication No. CN 217380452U's patent application, this kind of mode can not be better the sleeve pipe of different specifications of adaptation, thereby leads to the suitability of device relatively poor.

Disclosure of utility model

The utility model aims to provide a sleeve drilling device for a goaf, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including the connecting block, the bottom of connecting block is connected with the connecting plate, bottom one side of connecting plate is connected with the fixed plate, T shape spout has been seted up to the bottom of connecting plate, the inner chamber activity of T shape spout is provided with T shape slider, the bottom of T shape slider is connected with splint, the both sides of fixed plate all are connected with first curb plate, one side of first curb plate is connected with first abrupt board, the both sides of splint all are connected with the second curb plate, one side of second curb plate is connected with the second abrupt board, the expansion tank has been seted up in the one end penetration of second abrupt board, the inner chamber of expansion tank is provided with the expansion cylinder.

Preferably, one end of the telescopic cylinder is connected with the first protruding plate, and the clamping plate moves in the inner cavity of the T-shaped sliding groove through the T-shaped sliding block.

Preferably, the front of the second side plate is penetrated and provided with a plurality of movable grooves, the inner cavity of the movable groove is movably provided with a limiting rod, one end of the limiting rod is connected with a limiting block, and the other end of the limiting rod is connected with the first side plate.

Preferably, the inner walls of the clamping plate and the fixing plate are provided with a plurality of anti-slip strips, and the anti-slip strips are made of rubber materials.

Preferably, one end of the connecting block is penetrated and provided with a connecting hole, an inner cavity of the connecting hole is movably provided with a swivel, an outer ring of the swivel is provided with a clamping groove, and the swivel rotates in the inner cavity of the connecting hole through the clamping groove.

Preferably, a plurality of reinforcing plates are arranged at two ends of the connecting block, and the reinforcing plates are triangular.

Compared with the prior art, the utility model has the beneficial effects that:

1. This goaf sleeve pipe drilling equipment excessively uses through the cooperation of splint, fixed plate and telescopic cylinder, can be convenient for install the sleeve pipe centre gripping to different specifications to hoisting device's suitability.

2. According to the goaf casing drilling device, through the use of the anti-slip strips, the friction force between the device and the casing can be increased, so that the stability of the device is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram illustrating the disassembly of the structure of the present utility model.

Fig. 3 is a schematic bottom view of a second embodiment of the present utility model.

In the figure: 1. a connecting block; 2. a connecting plate; 3. a fixing plate; 4. a clamping plate; 5. a first side plate; 6. a first protruding plate; 7. a second side plate; 8. a second protruding plate; 9. a telescopic slot; 10. a movable groove; 11. a limit rod; 12. a limiting block; 13. a telescopic cylinder; 14. t-shaped sliding grooves; 15. a T-shaped slider; 16. an anti-slip strip; 17. a connection hole; 18. a swivel; 19. a clamping groove; 20. reinforcing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a cross goaf sleeve pipe drilling equipment, including connecting block 1, the bottom of connecting block 1 is connected with connecting plate 2, bottom one side of connecting plate 2 is connected with fixed plate 3, T shape spout 14 has been seted up to the bottom of connecting plate 2, the inner chamber activity of T shape spout 14 is provided with T shape slider 15, the bottom of T shape slider 15 is connected with splint 4, the both sides of fixed plate 3 all are connected with first curb plate 5, one side of first curb plate 5 is connected with first abrupt board 6, the both sides of splint 4 all are connected with second curb plate 7, one side of second curb plate 7 is connected with second abrupt board 8, the one end of second abrupt board 8 has run through and has seted up expansion groove 9, the inner chamber of expansion groove 9 is provided with telescopic cylinder 13.

One end of the telescopic cylinder 13 is connected with the first protruding plate 6, and the clamping plate 4 moves in the inner cavity of the T-shaped sliding groove 14 through the T-shaped sliding block 15.

In this embodiment, during the use, should place sleeve pipe's one end between fixed plate 3 and splint 4, start telescopic cylinder 13 afterwards, telescopic cylinder 13 uses first curb plate 5 as the basic point this moment, drive splint 4 through second curb plate 7 and remove, when playing splint 4's inner wall and sleeve pipe laminating, splint 4 then accomplish the centre gripping work to the sleeve pipe with fixed plate 3 this moment, when splint 4 remove, the T shape slider 15 that its top set up then moves at the inner chamber of T shape spout 14, so as to ensure the stability when splint 4 remove, and because splint 4 moves through telescopic cylinder 13, distance adjustable between fixed plate 3 and the splint 4 in order to carry out the centre gripping to the sleeve pipe of different specifications, thereby make the suitability of device obtain promoting.

Wherein, a plurality of movable grooves 10 are run through in the front of second curb plate 7, and the inner chamber activity of movable groove 10 is provided with gag lever post 11, and the one end of gag lever post 11 is connected with stopper 12, and the other end and the first curb plate 5 of gag lever post 11 are connected.

In this embodiment, the one end and the first side board 5 fixed connection of gag lever post 11, the other end of gag lever post 11 runs through movable groove 10 and is connected with stopper 12, and then second curb plate 7 is then through movable groove 10 at the outer lane activity of gag lever post 11, and gag lever post 11 can share the pressure of flexible jar 13 to a certain extent to ensure splint 4 can be in the vertical state with connecting plate 2 all the time, thereby when extension flexible jar 13 life, the stability when the device centre gripping sleeve pipe has been promoted.

Wherein, the inner walls of the clamping plate 4 and the fixing plate 3 are respectively provided with a plurality of anti-slip strips 16, and the anti-slip strips 16 are made of rubber materials.

In this embodiment, the anti-slip strips 16 increase the friction between the device and the sleeve, thereby avoiding loosening of the sleeve between the fixing plate 3 and the clamping plate 4.

Wherein, connecting hole 17 has been run through to the one end of connecting block 1, and the inner chamber activity of connecting hole 17 is provided with swivel 18, and draw-in groove 19 has been seted up to the outer lane of swivel 18, and swivel 18 passes through draw-in groove 19 and rotates at the inner chamber of connecting hole 17.

In this embodiment, the connection hole 17 is used for connecting external devices such as a wire rope, the swivel 18 is made of metal, and after the wire rope is connected with the connection block 1 through the connection hole 17, the wire rope can rotate in the inner cavity of the connection hole 17 through the swivel 18, so that the situation that the wire rope is broken due to friction is avoided.

Wherein, both ends of connecting block 1 all are provided with a plurality of reinforcing plates 20, and reinforcing plates 20 are triangle-shaped.

In this embodiment, the triangle structure is stable, and the reinforcing plate 20 can improve the firmness of the device to a certain extent.

Working principle: when the telescopic sleeve is used, the device is connected with outer ring equipment through the connecting hole 17, one end of the sleeve is placed between the fixed plate 3 and the clamping plate 4, the telescopic cylinder 13 is started, the telescopic cylinder 13 takes the first side plate 5 as a base point, the clamping plate 4 is driven to move through the second side plate 7, when the inner wall of the clamping plate 4 is attached to the sleeve, the clamping plate 4 and the fixed plate 3 complete clamping work on the sleeve, and the fixed plate 3 and one side of the clamping plate 4 attached to the surface of the sleeve are provided with a plurality of anti-slip strips 16, so that friction between the device and the sleeve can be increased, and the clamping of the device on the sleeve is more stable.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a goaf sleeve pipe drilling equipment, includes connecting block (1), its characterized in that: the bottom of connecting block (1) is connected with connecting plate (2), bottom one side of connecting plate (2) is connected with fixed plate (3), T shape spout (14) have been seted up to the bottom of connecting plate (2), the inner chamber activity of T shape spout (14) is provided with T shape slider (15), the bottom of T shape slider (15) is connected with splint (4), the both sides of fixed plate (3) all are connected with first curb plate (5), one side of first curb plate (5) is connected with first abrupt board (6), the both sides of splint (4) all are connected with second curb plate (7), one side of second curb plate (7) is connected with second abrupt board (8), flexible groove (9) have been seted up in the one end penetration of second abrupt board (8), the inner chamber of flexible groove (9) is provided with flexible jar (13).

2. A goaf casing drilling apparatus as claimed in claim 1, wherein: one end of the telescopic cylinder (13) is connected with the first protruding plate (6), and the clamping plate (4) moves in the inner cavity of the T-shaped sliding groove (14) through the T-shaped sliding block (15).

3. A goaf casing drilling apparatus as claimed in claim 1, wherein: the front of second curb plate (7) runs through and has offered a plurality of movable grooves (10), the inner chamber activity of movable groove (10) is provided with gag lever post (11), the one end of gag lever post (11) is connected with stopper (12), the other end and the first curb plate (5) of gag lever post (11) are connected.

4. A goaf casing drilling apparatus as claimed in claim 1, wherein: the inner walls of the clamping plate (4) and the fixing plate (3) are respectively provided with a plurality of anti-slip strips (16), and the anti-slip strips (16) are made of rubber materials.

5. A goaf casing drilling apparatus as claimed in claim 1, wherein: one end of the connecting block (1) is penetrated and provided with a connecting hole (17), an inner cavity of the connecting hole (17) is movably provided with a swivel (18), an outer ring of the swivel (18) is provided with a clamping groove (19), and the swivel (18) rotates in the inner cavity of the connecting hole (17) through the clamping groove (19).

6. A goaf casing drilling apparatus as claimed in claim 1, wherein: both ends of connecting block (1) all are provided with a plurality of reinforcing plates (20), reinforcing plates (20) are triangle-shaped.