Drilling tool with distance measuring structure for dismounting large nut

Abstract

The utility model belongs to the technical field of machining, and discloses a drilling tool with a distance measuring structure for dismantling a large nut, which comprises a tail shaft thread, a nut and a base, the outer side of the tail shaft thread is spirally connected with the nut, the outer side of the nut is fixedly connected with a fixing frame, the left side of the fixing frame is fixedly connected with a frame, a sliding chute is formed in the frame, and the sliding chute is fixedly connected with the base. A drill bit is slidably connected into a sliding groove of the frame, a positioning ring is connected to the outer side of the drill bit in a sleeved mode, a threaded rod is fixedly connected to the left side of the positioning ring, a bolt is spirally connected to the outer side of the positioning ring, a spring is arranged on the outer side of the bolt in an abutting mode, a magnetic block is arranged at the other end of the spring in an abutting mode, and the magnetic block is attached to the outer side of a tail shaft thread. The problems that when the surface of a part is punched, the part needs to be marked in advance, then machining is conducted according to the marking position, the machining efficiency is low, and the quality is poor are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining, and specifically relates to a drilling tool with a ranging structure for removing large nuts. Background Art

[0002] The tail shaft thread is the threaded part on the ship's tail shaft, which cooperates with a large nut. The size of the large nut is approximately 1100 mm in outer diameter and 780 mm in thickness, and it is used to fix and connect components such as propellers. During ship docking inspections, the inspection of the tail shaft thread is a very important item. An appearance inspection is carried out on the tail shaft thread to check for defects such as corrosion, wear, and cracks, as well as the fit between the nut and the thread. If problems are found with the tail shaft thread, timely repair or replacement is required to ensure the safe operation of the ship.

[0003] Meanwhile, the patent with the application number 202123245495.9 discloses a circumferential hole drilling and clamping positioning tooling, which includes a V-shaped base, a bottom plate, a pin, a positioning block, a pin shaft, a nut, a cover plate, a column, a stud, a locking nut, and a spring washer. Among them, the V-shaped base is processed with a V-shaped groove running through the length direction of the base. The bottom of the V-shaped groove has a square groove structure, and the two sides of the V-shaped groove are processed with oppositely arranged first pin holes and second pin holes. After the V-shaped base is aligned, it is fixed on the machine tool workbench through a pressing plate. The bottom plate is installed in the square groove of the V-shaped base, and the first fastening screw passes through the counterbore on the bottom plate and the threaded hole in the V-shaped groove to fixedly connect the bottom plate and the V-shaped base. The pin is inserted into the positioning pin hole of the bottom plate and is used to insert into the tapped hole that has been machined on the wheel shaft part.

[0004] However, in the implementation of the related technology, it is found that the above circumferential hole drilling and clamping positioning tooling has the problems of low processing efficiency and poor quality when drilling holes in the surface of parts. When drilling holes, it is necessary to pre-scribe lines on the parts and then process according to the scribed positions. Content of the Utility Model

[0005] To solve the problems raised in the above background art, the utility model provides a drilling tool with a ranging structure for removing large nuts. When drilling holes, a positioning ring is sleeved outside the drill bit to prevent the drill bit from shifting during drilling. And a fixing frame is welded outside the nut, and the drill bit passes through the sliding groove inside the frame to drill holes in the nut. At this time, the drilling can be consistent, which is convenient for splitting its appearance.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A drilling tooling with a ranging structure for removing large nuts, including a tail shaft thread, a nut, and a base. A nut is spirally connected to the outside of the tail shaft thread. A fixing frame is fixedly connected to the outside of the nut. A frame is fixedly connected to the left side of the fixing frame. A chute is provided inside the frame. A drill bit is slidably connected to the inside of the chute of the frame. A positioning ring is sleeved on the outside of the drill bit. A threaded rod is fixedly connected to the left side of the positioning ring. A bolt is spirally connected to the outside of the tail shaft thread. A spring is tightly arranged against the outside of the bolt. The other end of the spring is tightly arranged against a magnetic block. The magnetic block is attached to the outside of the nut.

[0007] Preferably, a sleeve is fixedly connected to the top end of the base. A lifting rod is slidably connected to the inside of the sleeve. A motor is fixedly connected to the top end of the lifting rod. The drill bit rotates at the central position inside the motor.

[0008] Preferably, a number of groups of round holes are provided on the left and right sides of the nut. The depths of the left and right groups of round holes of the nut are set to 360 millimeters.

[0009] Preferably, a top tooling frame is fixedly connected to the outside of the nut. A reinforcing rib is fixedly connected to the top end of the top tooling frame. There are two groups of reinforcing ribs.

[0010] Preferably, a hydraulic jack is tightly arranged against the bottom end of the top tooling frame. The bottom end of the hydraulic jack is attached to a bottom tooling frame.

[0011] Preferably, a hydraulic line penetrates through the outside of the hydraulic jack. The other end of the hydraulic line is fixedly connected to a hydraulic cylinder.

[0012] Preferably, there are three groups of the bolt, the threaded rod, the spring, and the magnetic block, and they are evenly arranged on the outside of the nut.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By adding a fixing frame to the outside of the nut in the present utility model, the fixing frame is made of the same type of material as the nut. The fixing frame can be fixed to the nut by welding. The drill bit is placed inside the frame. By drilling holes in the outside of the nut with the drill bit, consistency can be achieved. A positioning ring is added to the outside of the drill bit. The magnetic block on the outside of the positioning ring adsorbs the nut. And when drilling holes in the nut, the drill bit will not shift, which is convenient for removing the nut from the outside of the tail shaft thread.

[0015] 2. In the utility model, a tooling rack is welded to the outer side of the external nut. After drilling the nut, when the nut is in a state of being broken but still connected by filaments, a jack is used to press against the tooling racks on both the upper and lower sides, thereby separating the upper and lower sides of the nut. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the positioning ring structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the tail shaft thread structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the base structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the nut structure of the utility model.

[0021] In the figure: 1. Tail shaft thread; 2. Nut; 3. Base; 4. Sleeve; 5. Lifting rod; 6. Motor; 7. Drill bit; 8. Positioning ring; 9. Bolt; 10. Threaded rod; 11. Spring; 12. Magnetic block; 13. Fixed frame; 14. Frame; 15. Top tooling rack; 16. Reinforcing rib; 17. Hydraulic jack; 18. Bottom tooling rack; 19. Hydraulic line; 20. Hydraulic cylinder. Detailed Implementation Manner

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] As Figures 1 to 5 shown, the present utility model provides a drilling tooling with a ranging structure for removing large nuts, including a tail shaft thread 1, a nut 2, and a base 3. The nut 2 is spirally connected to the outer side of the tail shaft thread 1. The drill bit 7 is inserted into the chute inside the frame 14 of the fixed frame 13 on the outer side of the nut 2, and the positioning ring 8 is sleeved on the outer side of the drill bit 7. The magnetic block 12 on the outer side of the positioning ring 8 is adsorbed on the outer side of the nut 2. According to the required drilling depth, the bolt 9 on the outer side of the threaded rod 10 is rotated. At this time, the bolt 9 presses the outer spring 11 and drives the positioning ring 8 to slide towards the magnetic block 12. The motor 6 is started, and the motor 6 drives the drill bit 7 to drill the nut 2.

[0024] Specifically, move the base 3 towards the position of the nut 2, raise the lifting rod 5 from inside the sleeve 4, and drive the motor 6 to slide towards the top end.

[0025] Furthermore, several groups of round holes are provided on the left and right sides of the tail shaft thread 1, and the depths of the left and right groups of round holes in the tail shaft thread 1 are set to three hundred and sixty millimeters.

[0026] Still further, weld the top tooling frame 15 on the outside of the nut 2, and weld the reinforcing rib 16 on the top of the top tooling frame 15 for the purpose of practicing fixation.

[0027] It should be noted that the hydraulic jack 17 abuts against the top tooling frame 15 and slides in the upward direction.

[0028] It should be noted that place the hydraulic jack 17 on the top of the bottom tooling frame 18. Through the hydraulic cylinder 20, transmit the hydraulic oil to the inside of the hydraulic jack 17 through the hydraulic line 19, and slowly split the position of the drilling hole.

[0029] It is worth introducing that there are three groups of bolts 9, threaded rods 10, springs 11 and magnetic blocks 12, and they are evenly arranged on the outside of the tail shaft thread 1, which adsorbs the nut 2 more powerfully. During drilling, the drill bit 7 is not easy to fall off.

[0030] Among them, the tail shaft thread 1, the nut 2 and the motor 6 are prior arts and will not be elaborated; at the same time, the present utility model also includes a power supply, a controller, a switch, etc., which are not the main technical points of this patent and will not be elaborated; the "front, back, left, right" perspectives of this device are based on Figure 1 the direction shown in the drawing.

[0031] Working principle:

[0032] First, the staff moves the base 3 to the outside of the nut 2, and adjusts the height of the motor 6 according to the height of the center inside the nut 2. Raise the lifting rod 5 from inside the sleeve 4. The output end of the motor 6 inserts the drill bit 7 into the chute inside the outer frame 14 of the fixing frame 13 on the outside of the nut 2, and sleeved the positioning ring 8 on the outside of the drill bit 7, and adsorb the magnetic block 12 on the outside of the positioning ring 8 on the outside of the nut 2. According to the required drilling depth, turn the bolt 9 on the outside of the threaded rod 10. At this time, the bolt 9 squeezes the outside spring 11 and drives the positioning ring 8 to slide towards the magnetic block 12. Start the motor 6, and the motor 6 drives the drill bit 7 to drill the nut 2. After drilling one hole, move through the frame 14 to ensure the consistency during drilling. And so on, drill both sides of the nut 2 to achieve the state of remaining connected at the top and bottom.

[0033] Next, weld the top tooling frame 15 to the outer side of the top of the drilling hole of the nut 2, weld the bottom tooling frame 18 to the lower side, place the hydraulic jack 17 on the top of the bottom tooling frame 18, and through the hydraulic cylinder 20, transmit the hydraulic oil to the inside of the hydraulic jack 17 through the hydraulic line 19, slowly split the position of the drilling hole, and finally separate the tail shaft thread 1 from the nut 2.

[0034] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drilling tool with a distance measuring structure for removing large nuts, comprising a tail shaft thread (1), a nut (2) and a base (3), characterized in that: The outer side of the tail shaft thread (1) is spirally connected with a nut (2), the outer side of the nut (2) is fixedly connected with a fixing frame (13), the left side of the fixing frame (13) is fixedly connected with a frame (14), the interior of the frame (14) is provided with a slide groove, the interior of the slide groove of the frame (14) is slidably connected with a drill bit (7), the outer side of the drill bit (7) is sleeved with a positioning ring (8), the left side of the positioning ring (8) is fixedly connected with a threaded rod (10), the outer side of the positioning ring (8) is spirally connected with a bolt (9), the outer side of the bolt (9) is tightly provided with a spring (11), the other end of the spring (11) is tightly provided with a magnetic block (12), and the magnetic block (12) is attached to the outer side of the tail shaft thread (1).

2. The drilling tool with a distance measuring structure for removing large nuts according to claim 1, characterized in that: The top of the base (3) is fixedly connected to a sleeve (4), the interior of the sleeve (4) is slidably connected to a lifting rod (5), the top of the lifting rod (5) is fixedly connected to a motor (6), and the drill bit (7) rotates at the center position inside the motor (6).

3. The drilling tool with a distance measuring structure for removing large nuts according to claim 1, characterized in that: A plurality of groups of circular holes are provided on the left and right sides of the nut (2), and the depth of the two groups of circular holes on the left and right sides of the nut (2) is set to 360 millimeters.

4. The drilling tool with a distance measuring structure for removing large nuts according to claim 3, characterized in that: The outer side of the nut (2) is fixedly connected to a top tool frame (15), the top of the top tool frame (15) is fixedly connected to a reinforcing rib (16), and two groups of the reinforcing ribs (16) are provided.

5. The drilling tool with a distance measuring structure for removing large nuts according to claim 4, characterized in that: A hydraulic jack (17) is tightly arranged at the bottom end of the top fixture frame (15), and a bottom fixture frame (18) is closely arranged at the bottom end of the hydraulic jack (17), and the bottom fixture frame (18) is fixedly connected to the nut (2).

6. The drilling tool with a distance measuring structure for removing large nuts according to claim 5, characterized in that: A hydraulic line (19) is provided through the outer side of the hydraulic jack (17), and the other end of the hydraulic line (19) is fixedly connected to a hydraulic cylinder (20).

7. The drilling tool with a distance measuring structure for removing large nuts according to claim 1, characterized in that: The bolts (9), threaded rods (10), springs (11) and magnetic blocks (12) are arranged in three groups and are evenly arranged on the outside of the nut (2).

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