Oil casing pipe connecting device

By designing clamping, pressing, and grinding components for the oil casing pipe fitting device, the operational difficulties during oil casing pipe fitting were solved, achieving labor-saving and interface-cleaning fitting effects.

CN223806097UActive Publication Date: 2026-01-16ANHUI JUXIN PETROLEUM EQUIP MFG CO LTD
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Patent Information

Application Number
CN202520288183.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-23
Publication Date
2026-01-16
Estimated Expiration
2035-02-23

AI Technical Summary

Technical Problem

Existing oil casing cannot be pressurized during connection, and the joints are difficult to grind, making operation difficult.

Method used

An oil casing connector device was designed, comprising a clamping assembly, a pressing assembly, and a grinding assembly. The oil casing is fixed by clamping, the pressing assembly applies pressure, and the grinding assembly grinds the interface to ensure smooth insertion of the connector.

Benefits of technology

This makes it easier and more convenient for operators to take over the connection, and the interface surface is cleaner and tidier, thus improving the efficiency of the connection.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223806097U_ABST
    Figure CN223806097U_ABST
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Abstract

The utility model belongs to the field of petroleum casing pipes, and provides a petroleum casing pipe connecting device which comprises a base, a supporting plate is fixedly installed in the middle of one end of the back face of the base, a top plate is fixedly installed at the top of the supporting plate, and a clamping assembly capable of clamping and fixing a petroleum casing pipe is inserted into one side of the top in the top plate. And a grinding assembly capable of grinding the petroleum casing pipe connecting position is fixedly installed on the other side of the top of the top plate, and a jacking assembly capable of assisting an operator in pipe connecting of the petroleum casing pipe is fixedly installed on the side, away from the clamping assembly, of the bottom of the top plate. According to the petroleum pipe connecting device, the second threaded rod is rotated to drive the internal thread sleeve block to slide in the sliding groove, then the internal thread sleeve block is used for driving the jacking plate to jack the connector, an operator can conveniently connect a petroleum pipe, more labor is saved when the operator connects the pipe, and the working efficiency is improved. And therefore, an operator can take over the pipe more conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of petroleum casing, concretely relates to a petroleum casing pipe connecting device. BACKGROUND

[0002] The petroleum casing is a steel pipe for supporting the well wall of oil and gas well to ensure the normal operation of the whole oil well after drilling and completion, and several layers of casing are used according to different drilling depths and geological conditions, and cementing is used after the casing is lowered into the well, which is different from the oil pipe and drill pipe and cannot be reused and belongs to disposable consumable materials, therefore, the consumption of casing accounts for more than 70% of the total oil well pipe;

[0003] Most of the existing petroleum casings cannot press the connecting head when connecting, which is inconvenient for the operator to connect the petroleum pipe, so that the operator is more laborious when connecting, and thus the operator is more inconvenient when connecting. Moreover, most of the existing petroleum casings do not polish the interface of the petroleum casing before connecting, which cannot make the surface of the interface cleaner, so that the operator is more difficult to insert the joint during connecting. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a petroleum casing pipe connecting device to solve the problems that the connecting head cannot be pressed in the prior art, the operator is inconvenient to connect the petroleum pipe and most of the existing petroleum casings do not polish the interface of the petroleum casing before connecting.

[0005] A petroleum casing pipe connecting device, comprising a base, a support plate is fixedly installed at the middle position of one end of the back surface of the base, a top plate is fixedly installed at the top of the support plate, a clamping assembly for clamping and fixing the petroleum casing is inserted on one side of the inner top of the top plate, a polishing assembly for polishing the connection of the petroleum casing is fixedly installed on the other side of the top of the top plate, and a pressing assembly for helping the operator to connect the petroleum casing is fixedly installed on the side of the bottom of the top plate away from the clamping assembly.

[0006] Preferably, a first internal thread hole is formed at the middle position of the inside of the clamping assembly, a first threaded rod is engaged and inserted into the inside of the first internal thread hole, and the first threaded rod penetrates the inside of the clamping assembly, a connecting plate is rotatably connected to the bottom of the first threaded rod, telescopic rods are fixedly installed on both sides of the top of the connecting plate in a symmetrical manner, the telescopic rods are connected to the bottom of the top plate, and clamping plates are fixedly installed on the side of the top of the support plate close to the clamping assembly in a symmetrical manner.

[0007] Preferably, the inner bottom of the top pressing assembly is provided with a sliding groove, one side of the inside of the sliding groove is rotationally connected with a second threaded rod, and the second threaded rod extends to the outside of the top pressing assembly, the outside of the second threaded rod is provided with an internal thread sleeve block, the bottom of the internal thread sleeve block is fixedly installed with a top pressing plate, and the top pressing plate corresponds to the clamping assembly.

[0008] Preferably, the inside of the polishing assembly is fixedly installed with two installation warehouses which are symmetrical on both sides, a rotating rod is rotationally connected with the middle position of the inside of the installation warehouse, and one end of the rotating rod extends to the inside of the polishing assembly, the outside of the rotating rod is provided with a coil spring, and the coil spring is connected with the inner wall of the installation warehouse, the side of the two groups of rotating rods close to each other is fixedly installed with a rope wheel, the outside of the rope wheel is provided with a rope, and the rope extends to the outside of the polishing assembly, and the end of the rope away from the rope wheel is fixedly installed with a polishing plate.

[0009] Preferably, the bottom of the polishing plate is fixedly installed with a fixed frame which is symmetrical on both sides, the inner top of the fixed frame is fixedly installed with a first fixed plate, the middle position of the inner bottom of the fixed frame is provided with a second internal thread hole, a third threaded rod is engaged and inserted in the inside of the second internal thread hole, and the top of the third threaded rod is rotationally connected with a second fixed plate, and the second fixed plate is matched with the first fixed plate, a polishing sandpaper is inserted between the second fixed plate and the first fixed plate, and the polishing sandpaper is provided on the outside of the polishing plate.

[0010] Preferably, the top of the first threaded rod is fixedly installed with a crank handle, the outside bottom of the first threaded rod is provided with a bearing, and the bearing is connected with the top of the connecting plate, the shape of the clamping plate is an arc structure, and the two groups of clamping plates are matched with each other.

[0011] Preferably, a plurality of fixed teeth are uniformly fixedly installed at the positions close to each other of the first fixed plate and the second fixed plate, and the fixed teeth are matched with the polishing sandpaper.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1、The utility model discloses a second threaded rod is rotated to drive the internal thread sleeve block to slide in the inside of the sliding groove, then the internal thread sleeve block is used to drive the top pressing plate to press the connecting head, and the operator can connect the pipe to the petroleum pipe, so that the operator is more labor-saving when connecting the pipe, and the operator is more convenient when connecting the pipe.

[0014] 2, the utility model discloses a polishing plate is held and is drawn to drive the rope wheel to rotate, then utilize the rope wheel to drive the rotary rod to rotate, then utilize the rotary rod to drive the spring to stretch, then hold the polishing plate and drive the rope to draw out from the inside of polishing subassembly, utilize the polishing plate to drive the polishing sand paper to polish the interface of petroleum casing after drawing out, make the surface of interface more clean and neat, also convenient for operating personnel to insert the joint of the pipe, and then make the operating personnel more convenient when the pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the main view cross section structure schematic diagram of the utility model;

[0016] Figure 2 It is the main view cross section structure schematic diagram of the utility model; Figure 1 It is the A place enlarged structure schematic diagram of the utility model;

[0017] Figure 3 It is the main view cross section structure schematic diagram of the utility model; Figure 1 It is the B place enlarged structure schematic diagram of the utility model;

[0018] Figure 4 It is the main view solid enlarged structure schematic diagram of the utility model's clamping plate.

[0019] In the drawing: 1, base; 10, support plate; 11, top plate; 2, clamping assembly; 20, first threaded rod; 21, first internal thread hole; 22, telescopic rod; 23, connecting plate; 24, clamping plate; 3, top pressure assembly; 30, sliding groove; 31, internal thread sleeve block; 32, top pressure plate; 33, second threaded rod; 4, polishing subassembly; 40, rope wheel; 41, polishing sand paper; 42, rope; 43, polishing plate; 44, installation warehouse; 45, second internal thread hole; 46, spring; 47, rotary rod; 48, first fixed plate; 49, fixed frame; 410, third threaded rod; 411, second fixed plate. DETAILED DESCRIPTION

[0020] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0021] As Figures 1 to 4 shown:

[0022] The utility model provides a petroleum casing pipe connecting device, including base 1, the middle position department of one end of base 1 back is fixedly installed with support plate 10, the top of support plate 10 is fixedly installed with top plate 11, and the one side of the inner top of top plate 11 is inserted with the clamping assembly 2 that can hold and fix petroleum casing pipe, the other side fixed mounting of top plate 11 top can the polishing assembly 4 that petroleum casing pipe connects the pipe place and polishes, the one side fixed mounting of top plate 11 bottom is away from clamping assembly 2 can help operating personnel and top pressure assembly 3 that petroleum casing pipe connects the pipe.

[0023] Preferably, a first inner threaded hole 21 is formed at the middle position inside the clamping assembly 2, a first threaded rod 20 is engaged and inserted into the first inner threaded hole 21, and the first threaded rod 20 penetrates through the inside of the clamping assembly 2, a connecting plate 23 is rotatably connected to the bottom of the first threaded rod 20, two telescopic rods 22 are symmetrically fixedly installed on the top of the connecting plate 23, and the telescopic rods 22 are connected to the bottom of the top plate 11, and two clamping plates 24 are symmetrically fixedly installed on the bottom of the connecting plate 23 and the top of the support plate 10 near the clamping assembly 2.

[0024] Preferably, a sliding groove 30 is formed at the inner bottom of the top pressure assembly 3, a second threaded rod 33 is rotatably connected to one side inside the sliding groove 30, and the second threaded rod 33 extends to the outside of the top pressure assembly 3, an inner threaded sleeve block 31 is sleeved on the outside of the second threaded rod 33, a top pressing plate 32 is fixedly installed on the bottom of the inner threaded sleeve block 31, and the top pressing plate 32 corresponds to the clamping assembly 2.

[0025] Preferably, a handle is fixedly installed on the top of the first threaded rod 20, a bearing is sleeved on the bottom of the outside of the first threaded rod 20, and the bearing is connected to the top of the connecting plate 23, the clamping plates 24 are arc-shaped structures, and the two clamping plates 24 are adapted to each other, the handle can be used to facilitate the rotation of the first threaded rod 20 by the operator, the bearing can be used to prevent the connecting plate 23 from rotating together with the first threaded rod 20 when the first threaded rod 20 rotates, and the arc-shaped structure of the clamping plate 24 can be used to facilitate the clamping and fixing of the petroleum casing pipe.

[0026] From the above, when the oil casing is connected, first, the oil casing is placed between the two sets of clamping plates 24, and after the placement is completed, the first threaded rod 20 is rotated, the first internal threaded hole 21 and the first threaded rod 20 are matched to drive the connecting plate 23 to move, and when the connecting plate 23 moves, the two sets of extension rods 22 limit the movement track of the connecting plate 23, so that the connecting plate 23 can only move up and down, then the connecting plate 23 drives a set of clamping plates 24 to clamp and fix the oil casing, after fixing, the polishing assembly 4 is used to polish the joint of the oil casing, and after polishing, the required connector is inserted into the outside of the oil casing, and after insertion, the second threaded rod 33 is rotated to drive the internal threaded sleeve block 31 to slide in the sliding groove 30, and then the internal threaded sleeve block 31 drives the top pressing plate 32 to press the connector, so that the operator can connect the oil pipe, which is more labor-saving and convenient for the operator to connect.

[0027] In this embodiment, the two sides of the polishing assembly 4 are symmetrically fixedly installed with installation warehouses 44, the middle position in the installation warehouses 44 is rotatably connected with rotating rods 47, one end of the rotating rods 47 extends to the inside of the polishing assembly 4, a coil spring 46 is sleeved on the outside of the rotating rod 47, and the coil spring 46 is connected with the inner wall of the installation warehouse 44, the two sets of rotating rods 47 are fixedly installed with rope wheels 40 on the side close to each other, a rope 42 is sleeved on the outside of the rope wheel 40, and the rope 42 extends to the outside of the polishing assembly 4, and the end of the rope 42 away from the rope wheel 40 is fixedly installed with a polishing plate 43.

[0028] Preferably, the bottom of the polishing plate 43 is fixedly installed with a fixed frame 49 on both sides, the inner top of the fixed frame 49 is fixedly installed with a first fixed plate 48, the middle position of the inner bottom of the fixed frame 49 is provided with a second internal threaded hole 45, and a third threaded rod 410 is engaged and inserted into the inside of the second internal threaded hole 45, and a second fixed plate 411 is rotatably connected to the top of the third threaded rod 410, and the second fixed plate 411 is matched with the first fixed plate 48. A polishing sandpaper 41 is inserted between the second fixed plate 411 and the first fixed plate 48, and the polishing sandpaper 41 is sleeved on the outside of the polishing plate 43.

[0029] Preferably, the first fixed plate 48 and the second fixed plate 411 are uniformly fixedly installed with a plurality of fixed teeth at the positions close to each other, and the fixed teeth are matched with the polishing sandpaper 41. The fixed teeth improve the stability of the device for fixing the polishing sandpaper 41.

[0030] From the above, before the takeover, pull the polishing plate 43 to drive the rope wheel 40 to rotate, and then use the rope wheel 40 to drive the rotating rod 47 to rotate, and then use the rotating rod 47 to drive the coil spring 46 to stretch, then hold the polishing plate 43 to drive the rope 42 to pull out from the inside of the polishing assembly 4, and then use the polishing plate 43 to drive the polishing sandpaper 41 to polish the interface of the oil casing, so that the surface of the interface is cleaner and more tidy, and it is also convenient for the operator to insert the joint of the pipe, so that the operator is more convenient when connecting the pipe. When the sandpaper needs to be replaced, first rotate the third threaded rod 410, then use the second internal threaded hole 45 and the third threaded rod 410 to drive the second fixed plate 411 to move, release the second fixed plate 411 from the fixed polishing sandpaper 41, then remove the old polishing sandpaper 41 and replace it with new polishing sandpaper 41, which is convenient for the operator to use normally.

[0031] Working principle: when connecting the oil casing, first place the oil casing between the two sets of clamping plates 24, then rotate the first threaded rod 20, and use the first internal threaded hole 21 and the first threaded rod 20 to drive the connecting plate 23 to move, and use the two sets of extension rods 22 to limit the movement of the connecting plate 23, so that the connecting plate 23 can only move up and down, then use the connecting plate 23 to drive a set of clamping plates 24 to clamp and fix the oil casing, then pull the polishing plate 43 to drive the rope wheel 40 to rotate, then use the rope wheel 40 to drive the rotating rod 47 to rotate, then use the rotating rod 47 to drive the coil spring 46 to stretch, then hold the polishing plate 43 to drive the rope 42 to pull out from the inside of the polishing assembly 4, then use the polishing plate 43 to drive the polishing sandpaper 41 to polish the interface of the oil casing, so that the surface of the interface is cleaner and more tidy, and it is also convenient for the operator to insert the joint of the pipe, so that the operator is more convenient when connecting the pipe. When the sandpaper needs to be replaced, first rotate the third threaded rod 410, then use the second internal threaded hole 45 and the third threaded rod 410 to drive the second fixed plate 411 to move, release the second fixed plate 411 from the fixed polishing sandpaper 41, then remove the old polishing sandpaper 41 and replace it with new polishing sandpaper 41, which is convenient for the operator to use normally, after polishing, insert the required connector into the outside of the oil casing, then rotate the second threaded rod 33 to drive the internal threaded sleeve block 31 to slide in the sliding groove 30, then use the internal threaded sleeve block 31 to drive the pressing plate 32 to press the connector, which is convenient for the operator to connect the oil pipe, so that the operator is more labor-saving when connecting the pipe, and thus the operator is more convenient when connecting the pipe.

[0032] The embodiments of the present application are given for the purpose of example and description, although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary, and cannot be understood as limiting the present application, and the ordinary skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A petroleum casing splicing device, characterized by: The utility model relates to a petroleum casing pipe polishing device, including base (1), the middle position of back one end of base (1) fixed mounting has support plate (10), the top of support plate (10) fixed mounting has top plate (11), one side of the inner top of top plate (11) inserts and can be fixed clamping assembly (2) is clamped to petroleum casing pipe, the other side fixed mounting of top plate (11) top can be polished and polished assembly (4) is connected to petroleum casing pipe, the bottom of top plate (11) one side away from clamping assembly (2) fixed mounting has and can help operating personnel to connect the top pressure component (3) of petroleum casing pipe.

2. The petroleum casing splicing apparatus as claimed in claim 1, wherein: The middle position of the inside of clamping assembly (2) is provided with first internal thread hole (21), the inside engagement of first internal thread hole (21) is provided with first threaded rod (20), and first threaded rod (20) penetrates the inside of clamping assembly (2), the bottom of first threaded rod (20) is rotatably connected with connecting plate (23), the top of both sides of connecting plate (23) is fixedly installed with telescopic rod (22) in symmetry, and telescopic rod (22) is connected with the bottom of top plate (11), the bottom of connecting plate (23) and the top of support plate (10) one side close to clamping assembly (2) is fixedly installed with clamping plate (24) in symmetry.

3. The petroleum casing splicing apparatus of claim 1, wherein: The inner bottom of top pressure component (3) is provided with sliding groove (30), one side of the inside of sliding groove (30) is rotatably connected with second threaded rod (33), and second threaded rod (33) extends to the outside of top pressure component (3), the outside of second threaded rod (33) is provided with internal thread sleeve block (31), the bottom of internal thread sleeve block (31) is fixedly installed with top pressure plate (32), and top pressure plate (32) is correspondingly connected with clamping assembly (2).

4. The petroleum casing splicing apparatus of claim 1, wherein: The inside of polishing assembly (4) is fixedly installed with mounting bin (44) in both sides of symmetry, the middle position of the inside of mounting bin (44) is rotatably connected with rotating rod (47), and one end of rotating rod (47) extends to the inside of polishing assembly (4), the outside of rotating rod (47) is provided with coil spring (46), and coil spring (46) is connected with the inner wall of mounting bin (44), and the side of two groups of rotating rod (47) close to each other is fixedly installed with rope wheel (40), the outside of rope wheel (40) is provided with rope (42), and rope (42) extends to the outside of polishing assembly (4), the end of rope (42) away from rope wheel (40) is fixedly installed with polishing plate (43).

5. The petroleum casing splicing apparatus of claim 4, wherein: The bottom of the polishing plate (43) is symmetrically fixed with a fixed frame (49) on both sides, the inner top of the fixed frame (49) is fixed with a first fixed plate (48), the middle of the inner bottom of the fixed frame (49) is provided with a second inner threaded hole (45), the inside of the second inner threaded hole (45) is engaged with a third threaded rod (410), the top of the third threaded rod (410) is rotatably connected with a second fixed plate (411), the second fixed plate (411) is matched with the first fixed plate (48), the second fixed plate (411) and the first fixed plate (48) are inserted with a polishing sandpaper (41), and the polishing sandpaper (41) is sleeved on the outside of the polishing plate (43).

6. The petroleum casing splicing apparatus of claim 2 wherein: The top of the first threaded rod (20) is fixed with a crank handle, the outside bottom of the first threaded rod (20) is sleeved with a bearing, the bearing is connected with the top of the connecting plate (23), the shape of the clamping plate (24) is arc structure, and the two groups of clamping plates (24) are matched with each other.

7. The petroleum casing splicing apparatus of claim 5, wherein: The first fixed plate (48) and the second fixed plate (411) are uniformly fixed with a plurality of fixed teeth at the positions close to each other, and the fixed teeth are matched with the polishing sandpaper (41).