Device for disassembling flow cylinder type pulser

Abstract

The utility model discloses a device for disassembling a flow cylinder type pulser, which comprises a lead screw, a disc positioned at the front part of the lead screw and a contact copper head positioned at the rear end of the lead screw, the lead screw is rotatably matched and connected with the disc lead screw, a plurality of blind screw holes are radially formed in the outer wall of the front part of the disc, and the contact copper head is positioned at the rear end of the disc. The blind screw hole is connected with the tail end of the hand lever in a threaded fit mode, a plurality of positioning keys are arranged at the bottom of the disc and extend outwards in the radial direction to extend out of the outer wall of the disc, the top of the lead screw is of an outer hexagonal structure, and the contact copper head is provided with a U-shaped cross section and surrounds the rear end of the lead screw. A thrust rolling bearing is arranged between the inner end face of the contact copper and the rear end face of the lead screw. The structure is simple, parts are accurately and efficiently disassembled and separated, and efficiency is improved.

Description

A device for disassembling a flow tube type pulser Technical Field

[0001] This utility model relates to the field of engineering tools, and in particular to a device for disassembling a flow tube type pulser. Background Technology

[0002] Currently, one type of instrument used in directional well operations involves placing a pulser inside a flow tube assembly. The pulser is directly inserted into the flow tube assembly for use. During use, mud particles may enter between the stator or guide device on the pulser and the flow tube assembly, making it difficult or impossible to remove the pulser. Currently, the removal of such stuck pulsers is done by a pulling method, which has low disassembly efficiency and makes it very difficult to remove stuck pulsers. Summary of the Invention

[0003] The purpose of this invention is to provide a device for disassembling a flow-tube type pulse generator, to solve and make up for the shortcomings of the current technology, to achieve fast and reliable disassembly of the pulse generator, and to ensure the quality of the pulse generator and flow-tube assembly during the disassembly process.

[0004] To achieve the above technical objectives, this utility model provides a device for disassembling a flow-tube type pulse generator, comprising: a lead screw, a disc located at the front of the lead screw, and a contact copper head located at the rear of the lead screw. The lead screw and the disc are rotatably connected. The outer wall of the front part of the disc has a plurality of blind wire holes arranged radially. The blind wire holes are threadedly connected to the end of the handle. The bottom of the disc has a plurality of positioning keys arranged, which extend radially outward from the outer wall of the disc. The top of the lead screw has an external hexagonal structure. The contact copper head has an overall U-shaped cross-section and surrounds the rear end of the lead screw. A thrust rolling bearing is arranged between the inner end face of the contact copper head and the rear end face of the lead screw.

[0005] This utility model provides a device for disassembling a flow-tube type pulse generator. It has a simple structure, ensures accurate and efficient disassembly and separation of components, and improves efficiency.

[0006] As a further improvement, the blind wire holes are four in number and evenly distributed around the circumference, and the positioning keys are two in number and symmetrically arranged relative to the center of the disk.

[0007] As a further improvement, the two positioning keys and the pair of blind wire holes are arranged in a circumferential direction.

[0008] As a further improvement, the lever includes a handle and a connecting rod, the end of which is threadedly connected to the blind wire hole.

[0009] As a further improvement, the two side walls of the contact copper head are fixedly connected to the outer wall of the rear end of the lead screw by bolts.

[0010] As a further improvement, the outer wall of the rear end of the lead screw has a positioning groove that mates with the bolt.

[0011] As a further improvement, the front end of the contact copper head is arranged in an inwardly inclined manner, and the two side walls of the contact copper head are arranged in a backward inclined manner. Attached Figure Description

[0012] Figure 1 is a schematic diagram of this utility model;

[0013] Figure 2 is a schematic diagram of the disc of this utility model;

[0014] Figure 3 is a schematic diagram of the external hexagonal structure 7 of this utility model.

[0015] Reference numerals in the attached diagram: 1. Lead screw; 2. Disc; 3. Contact copper head; 4. Blind screw hole; 5. Hand lever; 6. Positioning key; 7. External hexagonal structure; 8. Thrust rolling bearing; 9. Bolt; 10. Positioning groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] As shown in Figures 1 to 3, this utility model provides a lead screw 1, a disc 2 located at the front of the lead screw, and a contact copper head 3 located at the rear of the lead screw. The lead screw and the disc are rotatably connected. The outer wall of the front part of the disc has a plurality of blind wire holes 4 arranged radially. The blind wire holes 4 are threadedly connected to the end of the lever 5. The bottom of the disc 2 has a plurality of positioning keys 6. The positioning keys 6 extend radially outward from the outer wall of the disc 2. The top of the lead screw 1 is an external hexagonal structure 7. The contact copper head 3 has an overall U-shaped cross-section and surrounds the rear end of the lead screw 1. A thrust rolling bearing 8 is arranged between the inner end face of the contact copper head 3 and the rear end face of the lead screw 1.

[0018] This utility model provides a device for disassembling a flow-tube type pulse generator. It has a simple structure, ensures accurate and efficient disassembly and separation of components, and improves efficiency.

[0019] As a further improvement, the blind wire holes 4 are four in number and evenly distributed around the circumference, and the positioning keys 6 are two in number and symmetrically arranged relative to the center of the disk.

[0020] As a further improvement, the two positioning keys 6 and the pair of blind wire holes 4 are arranged one-to-one in the circumferential direction.

[0021] As a further improvement, the lever 5 includes a handle and a connecting rod, the end of which is threadedly connected to the blind wire hole 4.

[0022] As a further improvement, the two side walls of the contact copper head 2 are fixedly connected to the outer wall of the rear end of the lead screw 1 by bolts 9.

[0023] As a further improvement, the outer wall of the rear end of the lead screw 1 has a positioning groove 10 that mates with the bolt 9.

[0024] As a further improvement, the front end of the contact copper head 2 is arranged in an inwardly inclined manner, and the two side walls of the contact copper head 2 are arranged in a backward inclined manner.

[0025] In the preferred embodiment of this utility model, the hexagonal head of the device for disassembling the flow-tube type pulse generator facilitates rotation using a sleeve, and the handle and blind wire hole cooperate to screw the handle in for easy rotation. The flow tube mainly comprises three parts: a fish neck, a middle flow tube, and a bottom locking device. During normal installation, the fish neck is screwed onto the upper part of the middle flow tube, the assembled pulse generator is inserted into the flow tube, and the bottom is locked. The utility model is used as follows: After the instrument operation is completed, disassembly is required. After removing the bottom locking device, the pulse generator is normally pulled out from the bottom. If it is stuck and cannot be pulled out, the copper contact head of the screw rod of this utility model is inserted into the fish neck, the disc is screwed onto the screw rod, and the disc positioning key is fixed in the corresponding groove on the fish neck. By turning the screw rod, the copper contact head is pushed inward, thereby pushing out the stuck pulse generator.

[0026] It should be understood that the scope of protection sought by this utility model is not limited to the non-limiting embodiments, which are merely illustrative examples. The substantive scope of protection claimed in this application is further embodied in the scope provided by the independent claims and their dependent claims.

Claims

1. A device for disassembling a flow-tube type pulse generator, characterized in that: It includes: The system comprises a lead screw, a disc located at the front of the lead screw, and a contact copper head located at the rear of the lead screw. The lead screw and the disc are rotatably connected. The outer wall of the front part of the disc has multiple blind wire holes arranged radially. The blind wire holes are threadedly connected to the end of the lever. The bottom of the disc has multiple positioning keys that extend radially outward from the outer wall of the disc. The top of the lead screw has an external hexagonal structure. The contact copper head has an overall U-shaped cross-section and surrounds the rear end of the lead screw. A thrust rolling bearing is arranged between the inner end face of the contact copper head and the rear end face of the lead screw.

2. The device for disassembling a flow-tube type pulse generator according to claim 1, characterized in that: The blind wire holes are four in number and evenly distributed around the circumference, and the positioning keys are two in number and symmetrically arranged relative to the center of the disk.

3. The device for disassembling a flow-tube type pulse generator according to claim 2, characterized in that: The two positioning keys and the pair of blind wire holes are arranged one-to-one in the circumferential direction.

4. The device for disassembling a flow-tube type pulse generator according to claim 1, characterized in that: The handle includes a handle and a connecting rod, the end of which is threaded into the blind wire hole.

5. The device for disassembling a flow-tube type pulse generator according to claim 1, characterized in that: The two side walls of the contact copper head are fixedly connected to the outer wall of the rear end of the lead screw by bolts.

6. The device for disassembling a flow-tube type pulser according to claim 5, characterized in that: The outer wall of the rear end of the lead screw has a positioning groove that mates with the bolt.

7. The device for disassembling a flow-tube type pulse generator according to claim 1, characterized in that: The front end of the copper contact head is arranged in an inwardly inclined manner, and the two side walls of the copper contact head are arranged in a backward inclined manner.

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