Movable laser cladding device for petroleum drilling tool

Abstract

The utility model discloses a mobile laser cladding device for a petroleum drilling tool, which belongs to the technical field of petroleum drilling tool laser cladding, and comprises a workbench, the upper end of the workbench is fixedly connected with a U-shaped support frame, the inner top of the U-shaped support frame is provided with a laser cladding machine, the upper end of the workbench is fixedly connected with a support table, and the support table is provided with a laser cladding machine. A drilling tool containing groove is formed in the upper end of the supporting table. The rotary clamping mechanism comprises hydraulic telescopic rods installed on the inner walls of the left side and the right side of the U-shaped supporting frame correspondingly. According to the equipment, in order to solve the use problem, the rotary clamping mechanism is arranged, clamping and rotating of a petroleum drilling tool can be conveniently achieved by controlling opposite movement of two circular clamping plates and a circular limiting block and cooperating with two motors, the limiting workload is reduced, meanwhile, replacement of the circular clamping plates and the circular limiting block can be achieved, and the overall adaptability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of laser cladding of oil drilling tool, especially to a mobile laser cladding device for oil drilling tool. BACKGROUND

[0002] The oil drilling tool is an important tool for drilling equipment in the process of oil and gas drilling and exploitation, and generally needs to use a mobile laser cladding device for surface strengthening and repair treatment to improve the hardness, wear resistance and service life of the drilling tool during processing.

[0003] The existing mobile laser cladding device needs to use a limiting mechanism to limit the oil drilling tool before laser cladding operation to ensure that it does not displace, but these limiting mechanisms are generally achieved by using bolts and clamps, which is a relatively cumbersome process and undoubtedly increases the workload of limiting, and these limiting mechanisms can only limit oil drilling tools of a single diameter size, so the overall adaptability is poor. UTILITY MODEL CONTENT

[0004] The utility model provides a mobile laser cladding device for oil drilling tool, which sets a rotating clamping mechanism to conveniently realize clamping and rotating of the oil drilling tool by controlling the opposite movement of the two circular clamps and the circular limiting blocks in combination with the two motors, reduces the workload of limiting, and can realize replacement of the circular clamps and the circular limiting blocks, so the overall adaptability is good.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A mobile laser cladding device for oil drilling tool, comprising a workbench, the upper end of the workbench is fixedly connected with a U-shaped support frame, the inner top of the U-shaped support frame is provided with a laser cladding machine, the upper end of the workbench is fixedly connected with a support table, and the upper end of the support table is provided with a drilling tool placing groove; a rotating clamping mechanism, the rotating clamping mechanism comprises hydraulic telescopic rods respectively installed on the inner walls on the left and right sides of the U-shaped support frame, the telescopic ends of the two hydraulic telescopic rods are fixedly connected with sliding plates, the opposite sides of the two sliding plates are respectively provided with motors, the opposite sides of the two sliding plates are respectively provided with circular rotating discs, the output shafts of the two motors are respectively penetrated through the corresponding sliding plates and fixedly connected with the side surfaces of the corresponding circular rotating discs, the opposite sides of the two circular rotating discs are respectively provided with circular clamps, the opposite sides of the two circular clamps are fixedly connected with circular limiting blocks, and the opposite sides of the two circular clamps are respectively provided with annular rubber pads.

[0007] Preferably, the opposite sides of the two circular rotating discs are provided with cylindrical positioning grooves, and the inner top and inner bottom of the two cylindrical positioning grooves are fixedly connected with rectangular positioning blocks.

[0008] Preferably, the opposite sides of the two circular rotating discs are provided with cylindrical positioning grooves, and the inner top and inner bottom of the two cylindrical positioning grooves are fixedly connected with rectangular positioning blocks.

[0009] Preferably, the two circular positioning blocks are in close contact with the inner walls of the corresponding cylindrical positioning grooves, and each rectangular positioning block is in close contact with the inner wall of the corresponding rectangular positioning groove.

[0010] Preferably, the rear sides of the two circular rotating discs are provided with bolts, the front ends of the two bolts penetrate the corresponding circular rotating discs and circular positioning blocks, the front sides of the two circular rotating discs are provided with nuts, and the two nuts are threadedly connected with the threaded ends of the corresponding bolts.

[0011] Preferably, the left and right sides of the support table and the side walls of the U-shaped support frame are fixedly connected with guide rods, and the two sliding plates are slidingly connected with the corresponding guide rods.

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

[0013] The rotating clamping mechanism is provided, two hydraulic telescopic rods are controlled to drive two sliding plates to move towards each other, drive two circular clamping plates and the circular limiting blocks thereon to move towards each other, cooperate with two motors to drive two circular clamping plates to rotate, and the clamping and limiting and rotation of the oil drilling tool can be conveniently and quickly realized, so that subsequent comprehensive laser cladding of the oil drilling tool is facilitated, the actual limiting workload is effectively reduced, and through the connection of the nuts and the bolts, cooperation of the circular positioning blocks, the cylindrical positioning grooves, the rectangular positioning grooves and the rectangular positioning blocks, the circular clamping plates and the circular limiting blocks can be replaced, thereby effectively adapting to the limiting of oil drilling tools of different diameters, and the adaptability is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structural schematic view of a mobile laser cladding device for oil drilling tools is provided for the utility model;

[0015] Figure 2 A partial structural schematic view of a rotating clamping mechanism is provided;

[0016] Figure 3 is Figure 2 A structural schematic view of the middle circular rotating disc is provided;

[0017] Figure 4 A structural schematic view of the circular clamping plate 9 is provided.

[0018] In the figure: 1 workbench, 2 U-shaped support frame, 3 laser cladding machine, 4 support table, 5 hydraulic telescopic rod, 6 sliding plate, 7 motor, 8 circular rotating disc, 9 circular clamping plate, 10 circular limiting block, 11 cylindrical positioning groove, 12 rectangular positioning block, 13 circular positioning block, 14 rectangular positioning groove, 15 bolt, 16 nut, 17 guide rod, 18 drill tool placing groove, 19 annular rubber pad. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in 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.

[0020] Reference Figures 1-4 A mobile laser cladding device for oil drilling tools comprises a workbench 1, the upper end of the workbench 1 is fixedly connected with a U-shaped support frame 2, the inner top of the U-shaped support frame 2 is provided with a laser cladding machine 3, which is prior art and mainly comprises a laser generator, an optical system, a cladding head and a control system, the cladding head part can realize laser cladding operation on the oil drilling tool, the upper end of the workbench 1 is fixedly connected with a support table 4, the upper end of the support table 4 is provided with a drill tool placing groove 18, which can be used to realize pre-positioning of the oil drilling tool before limiting;

[0021] The device further comprises a rotating clamping mechanism, the rotating clamping mechanism comprises two hydraulic telescopic rods 5 installed on the inner walls on the left and right sides of the U-shaped support frame 2 respectively, the telescopic ends of the two hydraulic telescopic rods 5 are fixedly connected with two sliding plates 6, the opposite sides of the two sliding plates 6 are both provided with a motor 7, the opposite sides of the two sliding plates 6 are both provided with a circular rotating disc 8, the output shafts of the two motors 7 both penetrate through the corresponding sliding plates 6 and are fixedly connected with the side faces of the corresponding circular rotating discs 8, the opposite sides of the two circular rotating discs 8 are both provided with a circular clamping plate 9, the opposite sides of the two circular clamping plates 9 are both fixedly connected with a circular limiting block 10, by controlling the two circular limiting blocks 10 to move towards each other, the two circular limiting blocks 10 can be respectively inserted into the through holes on the two sides of the oil drilling tool and abut with the inner walls of the through holes, so that the two circular clamping plates 9 can realize stable clamping of the oil drilling tool, the opposite sides of the two circular clamping plates 9 are both provided with an annular rubber pad 19, the annular rubber pad 19 can improve the clamping stability of the circular clamping plate 9 on the oil drilling tool;

[0022] The opposite sides of the two circular rotating discs 8 are both provided with a cylindrical positioning groove 11, the inner top and inner bottom of the two cylindrical positioning grooves 11 are both fixedly connected with a rectangular positioning block 12, the opposite sides of the two circular clamping plates 9 are both fixedly connected with a circular positioning block 13, the two circular positioning blocks 13 both abut with the inner walls of the corresponding cylindrical positioning grooves 11, the upper and lower ends of the two circular positioning blocks 13 are both provided with a rectangular positioning groove 14, and each rectangular positioning block 12 abuts with the inner wall of the corresponding rectangular positioning groove 14.

[0023] The rear side of the two circular rotating discs 8 is provided with a bolt 15, the front end of the two bolts 15 penetrates through the corresponding circular rotating disc 8 and circular positioning block 13, the front side of the two circular rotating discs 8 is provided with a nut 16, the two nuts 16 are threadedly connected with the threaded end of the corresponding bolt 15, the left and right sides of the support table 4 and the side wall of the U-shaped support frame 2 are fixedly connected with a guide rod 17, and the two sliding plates 6 are slidably connected with the corresponding guide rod 17.

[0024] In use, the petroleum drilling tool to be processed is placed into the drilling tool placing groove 18 on the upper end of the support table 4 to realize the pre-positioning of the petroleum drilling tool before limiting, then the two hydraulic telescopic rods 5 are controlled to drive the two sliding plates 6 to move towards each other, drive the corresponding circular rotating disc 8, circular clamping plate 9 and circular limiting block 10 to move towards the petroleum drilling tool, until the opposite sides of the two circular clamping plates 9 clamp the left and right sides of the petroleum drilling tool respectively, and the two circular limiting blocks 10 are inserted into the through holes on the left and right sides of the petroleum drilling tool respectively, and the two circular limiting blocks 10 are attached to the inner wall of the through hole of the petroleum drilling tool, so that the clamping and limiting of the petroleum drilling tool can be conveniently realized, at this time, the laser cladding machine 3 can be controlled to perform laser cladding operation on the petroleum drilling tool, and during the operation, the two motors 7 can be started to drive the corresponding circular rotating disc 8 and circular clamping plate 9 to rotate synchronously, drive the clamped and limited petroleum drilling tool to rotate, so that the comprehensive laser cladding operation on the petroleum drilling tool is realized.

[0025] When it is necessary to limit petroleum drilling tools of different sizes, first, the circular clamping plate 9 and the circular limiting block 10 on the left side are replaced, the connection between the nut 16 on the left side and the corresponding bolt 15 is released by using a tool, and the bolt 15 is pulled out backward, then the circular clamping plate 9 and the circular limiting block 10 on the left side are unloaded to the right, then the new circular clamping plate 9 and the circular limiting block 10 (the circular limiting block 10 can be attached to the inner wall of the through hole of the petroleum drilling tool to be clamped) are taken out, the circular positioning block 13 on the left side of the circular clamping plate 9 is aligned with the cylindrical positioning groove 11 on the left side and is inserted, while ensuring that the rectangular positioning grooves 14 at the upper and lower ends of the circular positioning block 13 are aligned with the corresponding rectangular positioning blocks 12, after the insertion is completed, the bolt 15 is inserted from the rear side of the circular rotating disc 8 and is threadedly connected with the nut 16, so that the convenient replacement of the circular clamping plate 9 and the circular limiting block 10 on the left side is realized, and the circular clamping plate 9 and the circular limiting block 10 on the right side can be replaced by the same operation, so that the replacement of the two circular clamping plates 9 and the circular limiting blocks 10 thereon can adapt to the limiting of petroleum drilling tools of different sizes, and the adaptability is good.

[0026] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A mobile laser cladding device for oil drilling tools, characterized in that, include: A workbench (1) is fixedly connected to a U-shaped support frame (2) at the upper end of the workbench (1). A laser cladding machine (3) is installed on the inner top of the U-shaped support frame (2). A support platform (4) is fixedly connected to the upper end of the workbench (1). A drill bit placement groove (18) is opened at the upper end of the support platform (4). The rotating clamping mechanism includes hydraulic telescopic rods (5) respectively installed on the inner walls of the left and right sides of the U-shaped support frame (2). The telescopic ends of the two hydraulic telescopic rods (5) are fixedly connected to sliding plates (6). Motors (7) are installed on opposite sides of the two sliding plates (6). Circular rotating disks (8) are provided on opposite sides of the two sliding plates (6). The output shafts of the two motors (7) pass through the corresponding sliding plates (6) and are fixedly connected to the side of the corresponding circular rotating disks (8). Circular clamping plates (9) are provided on opposite sides of the two circular rotating disks (8). Circular limiting blocks (10) are fixedly connected on opposite sides of the two circular clamping plates (9). Circular rubber pads (19) are provided on opposite sides of the two circular clamping plates (9).

2. The mobile laser cladding device for oil drilling tools according to claim 1, characterized in that, Both of the two circular rotating disks (8) have cylindrical positioning grooves (11) on opposite sides, and rectangular positioning blocks (12) are fixedly connected to the inner top and inner bottom of the two cylindrical positioning grooves (11).

3. The mobile laser cladding device for oil drilling tools according to claim 2, characterized in that, Both circular clamps (9) are fixedly connected to circular positioning blocks (13) on opposite sides, and rectangular positioning grooves (14) are provided at both the upper and lower ends of the two circular positioning blocks (13).

4. A mobile laser cladding device for oil drilling tools according to claim 3, characterized in that, Both circular positioning blocks (13) are fitted to the inner wall of the corresponding cylindrical positioning groove (11), and each rectangular positioning block (12) is fitted to the inner wall of the corresponding rectangular positioning groove (14).

5. A mobile laser cladding device for oil drilling tools according to claim 3, characterized in that, Bolts (15) are provided on the rear side of both circular rotating disks (8), and the front ends of the two bolts (15) penetrate the corresponding circular rotating disk (8) and circular positioning block (13). Nuts (16) are provided on the front side of both circular rotating disks (8), and the two nuts (16) are threadedly connected to the threaded end of the corresponding bolts (15).

6. A mobile laser cladding device for oil drilling tools according to claim 1, characterized in that, Guide rods (17) are fixedly connected to the left and right sides of the support platform (4) and the side walls of the U-shaped support frame (2), and the two sliding plates (6) are slidably connected to the corresponding guide rods (17).

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