While-drilling jar

By optimizing the structural design of the shock absorber and using the coordination of the snap-in seat and the socket, the shock absorber is quickly installed and disassembled, solving the problem of cumbersome operation in the existing technology and improving the operation efficiency.

CN223256791UActive Publication Date: 2025-08-22SICHUAN DONGRUI PETROLEUM DRILLING TOOLS CO LTD
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Patent Information

Application Number
CN202421821262.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-08-22
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The existing shock absorbers are cumbersome during installation and disassembly, resulting in inefficiency.

Method used

The coupling of the clamping seat, socket, connecting seat, connecting slot, fixing rod, sliding clamping rod, first spring, first hinged seat, rotating rod, second hinged seat, annular lifting plate, push plate, second spring, sliding block, pull plate, inserting rod, slide groove, jack and through hole is adopted to relax the restrictions on the driving device through auxiliary fixing devices, so that the sliding clamping rod is inserted into the jack under the action of the first spring, and realizes rapid installation and disassembly.

Benefits of technology

The installation and disassembly of the shock absorber is simplified, and the operation is improved with ease and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drilling tool jam releasing, in particular to a jar while drilling, which comprises a connecting rod and a connecting seat, a clamping seat is arranged above the connecting rod, an inserting hole is arranged on the surface of the clamping seat, a connecting groove is arranged at the bottom of the connecting seat, and a fixing rod is fixedly connected inside the connecting seat. The auxiliary fixing device has the advantages that the clamping seat, the inserting hole, the connecting seat, the connecting groove, the fixing rod, a sliding clamping rod, a first spring, a first hinge seat, a rotating rod, a second hinge seat, an annular lifting plate, a push plate, a second spring, a sliding block, a pull plate, an inserting rod, a sliding groove, an inserting hole and a through hole are matched, and limitation on the driving device is relieved through the auxiliary fixing device; and a sliding clamping rod is inserted into an inserting hole under the action of a first spring, so that the clamping seat and the connecting seat can be more quickly disassembled, and the jar can be more quickly assembled and disassembled.
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Description

Technical Field

[0001] The utility model relates to the technical field of drilling tool jam release, in particular to a drilling jar. Background Art

[0002] The jar is one of the effective tools to resolve stuck drill accidents. During drilling operations, due to complex geological structures and improper technical measures, drill bits often get stuck when encountering resistance, and the jar is used to resolve stuck drill accidents.

[0003] The Chinese utility model application number CN202122922453.8 discloses a drilling tool release and drilling jar, including a connecting rod, the lower end face of the connecting rod is provided with a drilling tool body, the connecting rod is provided with a jarring groove, the jarring groove is provided with a jarring rod, the outer wall of the jarring rod is provided with a sliding sleeve, the sliding sleeve is slidably connected to the inner wall of the jarring groove, the upper end of the jarring rod passes through the upper end face of the sliding connecting rod and is fixedly connected to a clamping seat, the upper end face of the clamping seat is provided with a connecting seat that cooperates with the clamping seat, the upper end face of the connecting seat is provided with a fixing rod, and the lower end face of the connecting seat is provided with a connecting groove, but the device still has some shortcomings during use: the device needs to rotate the rotating rod continuously during installation to drive the threaded rod to move for fixing operation, the operation is more cumbersome, resulting in low installation efficiency. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide a drilling jar to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a drilling jar, including a connecting rod and a connecting seat, a clamping seat is provided above the connecting rod, a socket is provided on the surface of the clamping seat, a connecting groove is provided at the bottom of the connecting seat, a first fixing rod is fixedly connected to the interior of the connecting seat, a sliding clamping rod is slidably connected to the surface of the first fixing rod, a first spring is fixedly connected to one side of the sliding clamping rod, a first hinged seat is fixedly connected to the surface of the sliding clamping rod, a driving device and an auxiliary fixing device are provided inside the connecting seat, and the technical effect achieved by adopting the above-mentioned scheme is: By aligning the connecting groove at the bottom of the connecting seat with the card seat, inserting it, then pulling the pull plate to compress the second spring and the insertion rod moves out of the inside of the socket, then relaxing the restriction on the push plate, and then the rebound of the first spring causes the sliding card rod to slide on the surface of the first fixed rod, and then the sliding card rod passes through the through hole and contacts the surface of the card seat, and then the auxiliary alignment line is operated, and then the rebound of the first spring causes the sliding card rod to be inserted into the inside of the socket, so that the card seat and the connecting seat can be installed, the operation is simpler and more convenient, and the disassembly operation between the card seat and the connecting seat can be performed more quickly.

[0007] Preferably, any of the above schemes is that the inner wall of the connecting groove is provided with a through hole, the diameters of the through hole, the socket and the sliding card rod are the same, the end of the first spring away from the sliding card rod is connected to the inner wall of the connecting seat, and one side of the connecting seat and the card seat is provided with an auxiliary alignment line. The technical effect achieved by adopting the above scheme is: the through hole can facilitate the sliding card rod to pass through and enter the interior of the socket for fixing, and the auxiliary alignment line can more quickly install the sliding card rod and the socket.

[0008] Preferably, any of the above schemes is that the driving device includes a rotating rod, a second hinge seat, an annular lifting plate and a push plate, one side of the first hinge seat is rotatably connected to the rotating rod, one end of the rotating rod is rotatably connected to the second hinge seat, the top of the second hinge seat is fixedly connected to the annular lifting plate, and the top of the annular lifting plate is fixedly connected to the push plate. The technical effect achieved by adopting the above scheme is: the annular lifting plate can be raised by the rebound of the first spring in conjunction with the first hinge seat, the rotating rod and the second hinge seat, and then when performing the disassembly operation, the first spring can be compressed by pressing down the push plate, and the sliding card rod can be disengaged from the inside of the socket to perform the disassembly operation.

[0009] Preferably, any of the above schemes is that one end of the push plate penetrates the connecting seat, the number of the rotating rods and the second hinged seats is four, and the four rotating rods and the second hinged seats are equidistantly distributed around the bottom of the annular lifting plate. The technical effect achieved by adopting the above scheme is that subsequent disassembly operations can be facilitated by penetrating the connecting seat through one end of the push plate.

[0010] Preferably, any of the above schemes includes a second spring, a sliding block, a pull plate and an insertion rod, the inner wall of the connecting seat is fixedly connected to the second spring, one end of the second spring is fixedly installed with a sliding block, the top of the sliding block is fixedly connected to the pull plate, one side of the sliding block is provided with an insertion rod, and one side of the push plate is provided with a socket adapted to the insertion rod. The technical effect achieved by adopting the above scheme is: by pulling the pull plate, the second spring is compressed and the insertion rod moves out of the inside of the socket, and then the restriction on the push plate is relaxed, and then the rebound of the first spring causes the sliding card rod to slide on the surface of the first fixed rod so that the fixing operation can be performed, and the operation is simple and convenient.

[0011] Preferably, any of the above schemes is that a sliding groove compatible with the sliding block is provided on the top of the connecting seat, the number of the auxiliary fixing device and the push plate are two, and a push handle is fixedly connected to the top of the push plate. The technical effect achieved by adopting the above scheme is: the height of the push plate can be conveniently adjusted by the push handle, so that corresponding disassembly operations can be carried out.

[0012] An embodiment of one aspect of the utility model provides a drilling jar, which also includes a connecting rod, a jarring structure and a connecting seat. The jarring structure includes a jarring groove, a jarring rod and a sliding sleeve. A jarring groove is provided in the connecting rod, a jarring rod is provided in the jarring groove, a sliding sleeve is provided on the outer wall of the jarring rod, and the sliding sleeve is slidably connected to the inner wall of the jarring groove. The upper end of the jarring rod passes through the upper end surface of the sliding connecting rod and is fixedly connected to a clamping seat. A drilling tool is provided at the bottom of the connecting rod, and a second fixed rod is fixedly connected to the top of the connecting seat. The technical effect achieved by adopting the above scheme is that the jarring rod with the lower end of the clamping seat moves up and down in the jarring groove through the existing technology to achieve a jarring effect.

[0013] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0014] The drilling jar relaxes the restriction on the driving device through the cooperation among the clamping seat, the socket, the connecting seat, the connecting groove, the fixing rod, the sliding clamping rod, the first spring, the first hinge seat, the rotating rod, the second hinge seat, the annular lifting plate, the push plate, the second spring, the sliding block, the pull plate, the insertion rod, the sliding groove, the socket and the through hole, and the sliding clamping rod is inserted into the interior of the socket under the action of the first spring, so that the disassembly operation between the clamping seat and the connecting seat can be carried out more quickly, thereby enabling the jar to be installed and disassembled more quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the first embodiment of the present invention;

[0016] Figure 2This is a schematic cross-sectional view of the first embodiment of the present invention;

[0017] Figure 3 This is a structural diagram of location A of the first embodiment of the present utility model;

[0018] Figure 4 This is a schematic structural diagram of location B of Example 1 of the present utility model;

[0019] Figure 5 This is a structural diagram of location C of Example 1 of the present utility model.

[0020] Among them: 1-connecting rod, 2-drilling tool, 3-shock structure, 301-shock groove, 302-shock rod, 303-sleeve, 4-clamping seat, 5-jack, 6-auxiliary alignment line, 7-connecting seat, 8-connecting groove, 9-first fixed rod, 10-sliding clamping rod, 11-first spring, 12-first hinged seat, 13-driving device, 1301-rotating rod, 1302-second hinged seat, 1303-annular lifting plate, 1304-push plate, 14-push handle, 15-auxiliary fixing device, 1501-second spring, 1502-sliding block, 1503-pull plate, 1504-insertion rod, 16-slide groove, 17-jack, 18-through hole, 19-second fixed rod. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] Example 1: Figures 1 to 5As shown, a drilling jar comprises a connecting rod 1 and a connecting seat 7, a clamping seat 4 is provided above the connecting rod 1, a socket 5 is provided on the surface of the clamping seat 4, a connecting groove 8 is provided at the bottom of the connecting seat 7, a first fixing rod 9 is fixedly connected to the interior of the connecting seat 7, a sliding clamping rod 10 is slidably connected to the surface of the first fixing rod 9, a first spring 11 is fixedly connected to one side of the sliding clamping rod 10, a first hinge seat 12 is fixedly connected to the surface of the sliding clamping rod 10, a driving device 13 and an auxiliary fixing device 15 are provided inside the connecting seat 7, and the connecting groove 8 at the bottom of the connecting seat 7 is aligned with the clamping seat 4 and inserted, and then the pull plate 1503 is pulled to make The second spring 1501 is compressed and the insertion rod 1504 moves out of the inside of the socket 17, and then the restriction on the push plate 1304 is relaxed, and then the rebound of the first spring 11 causes the sliding card rod 10 to slide on the surface of the first fixed rod 9, and then the sliding card rod 10 passes through the through hole 18 and contacts the surface of the card seat 4, and then the auxiliary alignment line 6 is operated, and then the rebound of the first spring 11 causes the sliding card rod 10 to be inserted into the inside of the socket 5, so that the card seat 4 and the connecting seat 7 can be installed, the operation is simpler and more convenient, so that the disassembly operation between the card seat 4 and the connecting seat 7 can be performed more quickly.

[0023] As an optional technical solution of the present invention, a through hole 18 is provided on the inner wall of the connecting groove 8. The through hole 18, the socket 5 and the sliding card rod 10 have the same diameter. The end of the first spring 11 away from the sliding card rod 10 is connected to the inner wall of the connecting seat 7. An auxiliary alignment line 6 is provided on one side of the connecting seat 7 and the clamping seat 4. The through hole 18 can facilitate the sliding card rod 10 to pass through and enter the interior of the socket 5 for fixing. The auxiliary alignment line 6 can more quickly install the sliding card rod 10 and the socket 5.

[0024] As an optional technical solution of the present invention, the driving device 13 includes a rotating rod 1301, a second hinge seat 1302, an annular lifting plate 1303 and a push plate 1304. One side of the first hinge seat 12 is rotatably connected to the rotating rod 1301, one end of the rotating rod 1301 is rotatably connected to the second hinge seat 1302, the top of the second hinge seat 1302 is fixedly connected to the annular lifting plate 1303, and the top of the annular lifting plate 1303 is fixedly connected to the push plate 1304. The rebound of the first spring 11 cooperates with the first hinge seat 12, the rotating rod 1301 and the second hinge seat 1302 to enable the annular lifting plate 1303 to rise. Then, when performing the disassembly operation, by pressing down the push plate 1304, the first spring 11 can be driven to compress and the sliding clamping rod 10 can be disengaged from the inside of the socket 5 for disassembly operation.

[0025] As an optional technical solution of the present invention, one end of the push plate 1304 penetrates the connecting seat 7, the number of rotating rods 1301 and second hinged seats 1302 is four, and the four rotating rods 1301 and second hinged seats 1302 are equidistantly distributed around the bottom of the annular lifting plate 1303. By penetrating the connecting seat 7 with one end of the push plate 1304, subsequent disassembly operations can be facilitated.

[0026] As an optional technical solution of the present invention, the auxiliary fixing device 15 includes a second spring 1501, a sliding block 1502, a pull plate 1503 and an insertion rod 1504. The inner wall of the connecting seat 7 is fixedly connected with the second spring 1501, one end of the second spring 1501 is fixedly installed with a sliding block 1502, the top of the sliding block 1502 is fixedly connected with a pull plate 1503, one side of the sliding block 1502 is provided with an insertion rod 1504, and one side of the push plate 1304 is provided with a socket adapted to the insertion rod 1504. By pulling the pull plate 1503, the second spring 1501 is compressed and the insertion rod 1504 moves out of the inside of the socket 17, and then the restriction on the push plate 1304 is relaxed. Then, the rebound of the first spring 11 causes the sliding card rod 10 to slide on the surface of the first fixing rod 9 so that the fixing operation can be performed. The operation is simple and convenient.

[0027] As an optional technical solution of the present invention, a slide groove 16 adapted to the sliding block 1502 is provided on the top of the connecting seat 7, and the number of the auxiliary fixing device 15 and the push plate 1304 are both two. A push handle 14 is fixedly connected to the top of the push plate 1304, and the push handle 14 can be used to conveniently adjust the height of the push plate 1304, so that corresponding disassembly operations can be performed.

[0028] A drilling jar, further comprising a connecting rod 1, a jarring structure 3 and a connecting seat 7. The jarring structure 3 comprises a jarring groove 301, a jarring rod 302 and a sliding sleeve 303. A jarring groove 301 is provided in the connecting rod 1, a jarring rod 302 is provided in the jarring groove 301, a sliding sleeve 303 is provided on the outer wall of the jarring rod 302, and the sliding sleeve 303 is slidably connected to the inner wall of the jarring groove 301. The upper end of the jarring rod 302 passes through the upper end surface of the sliding connecting rod 1 and is fixedly connected to the clamping seat 4. A drilling tool 2 is provided at the bottom of the connecting rod 1, and a second fixed rod 19 is fixedly connected to the top of the connecting seat 7. The jarring rod 302 with the lower end of the clamping seat 4 moves up and down in the jarring groove 301 through the existing technology to achieve a jarring effect.

[0029] A drilling jar, the working principle of which is as follows: by aligning the connecting groove 8 at the bottom of the connecting seat 7 with the clamping seat 4 and inserting it, then pulling the pull plate 1503 to compress the second spring 1501 and at the same time the insertion rod 1504 moves out of the inside of the insertion hole 17, then relaxing the restriction on the push plate 1304, then the rebound of the first spring 11 causes the sliding clamping rod 10 to slide on the surface of the first fixed rod 9, then the sliding clamping rod 10 passes through the through hole 18 and contacts the surface of the clamping seat 4, then aligning the auxiliary alignment line 6, then the rebound of the first spring 11 causes the sliding clamping rod 10 to be inserted into the inside of the insertion hole 5, so that the clamping seat 4 and the connecting seat 7 can be installed, the operation is simpler and more convenient, so that the clamping seat 4 and the connecting seat 7 can be disassembled more quickly, so that the jar can be installed and disassembled more quickly, and then the jar 302 at the lower end of the clamping seat 4 is moved up and down in the jarring groove 301 by the existing technology to achieve a jarring effect, thereby solving the problem of the drill bit being stuck.

[0030] In summary, the drilling jar, through the cooperation among the clamping seat 4, the socket 5, the connecting seat 7, the connecting groove 8, the first fixed rod 9, the sliding clamping rod 10, the first spring 11, the first hinge seat 12, the rotating rod 1301, the second hinge seat 1302, the annular lifting plate 1303, the push plate 1304, the second spring 1501, the sliding block 1502, the pull plate 1503, the insertion rod 1503, the slide groove 16, the socket 17 and the through hole 18, relaxes the restriction on the driving device 13 through the auxiliary fixing device 15, and under the action of the first spring 11, the sliding clamping rod 10 is inserted into the interior of the socket 5, so that the disassembly operation between the clamping seat 4 and the connecting seat 7 can be carried out more quickly, thereby enabling the jar to be installed and disassembled more quickly.

[0031] Embodiment 2 is a drilling jar. In this embodiment, a ball bearing is provided at one end of the sliding clamping rod 10 on the basis of the above embodiment. The ball bearing rotates around the surface of the clamping seat 4 during installation, which can reduce friction when rotating the socket 5 and the through hole 18 to align them, thereby making adjustment more convenient.

Claims

1. A drilling jar, comprising a connecting rod (1) and a connecting seat (7), characterized in that: A snap-fit ​​seat (4) is provided above the connecting rod (1), a socket (5) is provided on the surface of the snap-fit ​​seat (4), a connecting groove (8) is provided at the bottom of the connecting seat (7), a first fixing rod (9) is fixedly connected to the interior of the connecting seat (7), a sliding clamping rod (10) is slidably connected to the surface of the first fixing rod (9), a first spring (11) is fixedly connected to one side of the sliding clamping rod (10), a first hinge seat (12) is fixedly connected to the surface of the sliding clamping rod (10), and a driving device (13) and an auxiliary fixing device (15) are provided inside the connecting seat (7).

2. The drilling jar according to claim 1, characterized in that: The inner wall of the connecting groove (8) is provided with a through hole (18), and the diameters of the through hole (18), the insertion hole (5) and the sliding clamping rod (10) are the same. One end of the first spring (11) away from the sliding clamping rod (10) is connected to the inner wall of the connecting seat (7), and one side of the connecting seat (7) and the clamping seat (4) is provided with an auxiliary alignment line (6).

3. The drilling jar according to claim 2, characterized in that: The driving device (13) comprises a rotating rod (1301), a second articulated seat (1302), an annular lifting plate (1303) and a push plate (1304); one side of the first articulated seat (12) is rotatably connected to the rotating rod (1301); one end of the rotating rod (1301) is rotatably connected to the second articulated seat (1302); the top of the second articulated seat (1302) is fixedly connected to the annular lifting plate (1303); and the top of the annular lifting plate (1303) is fixedly connected to the push plate (1304).

4. The drilling jar according to claim 3, characterized in that: One end of the push plate (1304) penetrates the connecting seat (7), and the number of the rotating rods (1301) and the second hinged seats (1302) is four, and the four rotating rods (1301) and the second hinged seats (1302) are equidistantly distributed around the bottom of the annular lifting plate (1303).

5. The drilling jar according to claim 4, characterized in that: The auxiliary fixing device (15) includes a second spring (1501), a sliding block (1502), a pull plate (1503) and an insertion rod (1504); the inner wall of the connecting seat (7) is fixedly connected to the second spring (1501); one end of the second spring (1501) is fixedly mounted with the sliding block (1502); the top of the sliding block (1502) is fixedly connected to the pull plate (1503); one side of the sliding block (1502) is provided with an insertion rod (1504); and one side of the push plate (1304) is provided with a socket adapted to the insertion rod (1504).

6. The drilling jar according to claim 5, characterized in that: The top of the connecting seat (7) is provided with a sliding groove (16) adapted to the sliding block (1502), the number of the auxiliary fixing device (15) and the number of the push plate (1304) are both two, and the top of the push plate (1304) is fixedly connected with a push handle (14).

7. A drilling jar, further comprising a connecting rod (1), a jarring structure (3) and a connecting seat (7), characterized in that: The shock structure (3) comprises a shock groove (301), a shock rod (302) and a sliding sleeve (303); the shock groove (301) is provided in the connecting rod (1); the shock rod (302) is provided in the shock groove (301); a sliding sleeve (303) is provided on the outer wall of the shock rod (302); the sliding sleeve (303) is slidably connected to the inner wall of the shock groove (301); the upper end of the shock rod (302) passes through the upper end surface of the sliding connecting rod (1) and is fixedly connected to a clamping seat (4); a drilling tool (2) is provided at the bottom of the connecting rod (1); and a second fixing rod (19) is fixedly connected to the top of the connecting seat (7).

Citation Information

Patent Citations

  • Drilling tool jam releasing jar while drilling

    CN216429543U