CN219061550U

CN219061550U - High strength drill bit is with connecting fixed knot and constructs

Info

Publication number: CN219061550U
Application number: CN202223554118.8U
Authority: CN
Inventors: 朱建成
Original assignee: Jiangsu Tomsheng Precision Tools Co ltd
Current assignee: Jiangsu Tomsheng Precision Tools Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-23
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a connecting and fixing structure for a high-strength drill bit, which comprises the following components: a drill rod; the peripheral side surface of the drill bit is connected to the inner side of the drill rod in a sliding manner; the back of coupling assembling rotates to be connected in the positive both sides of drilling rod, coupling assembling includes two rolling discs, two the back of rolling disc rotates to be connected in the positive both sides of drilling rod, two the back of rolling disc all runs through the front of drilling rod and extends to the inside of drilling rod, two the equal fixedly connected with gear in the back of rolling disc. The utility model provides a connecting and fixing structure for a high-strength drill bit, which drives two gear plates to move to opposite sides through rotation of two gears, and the movement of the two gear plates drives two clamping blocks to enter clamping grooves, so that the drill bit can be connected, the structure is simple and practical, and the problem that the connection strength is lower after a threaded connection mode is used for a long time can be effectively avoided.

Description

High strength drill bit is with connecting fixed knot and constructs

Technical Field

The utility model relates to the field of drill bits, in particular to a connecting and fixing structure for a high-strength drill bit.

Background

During drilling, the drill bit is the primary tool for breaking rock, and the well bore is formed by the drill bit breaking rock. The length of time a wellbore is formed is dependent on the degree of mutual match between the drill bit and the formation, in addition to the nature of the formation rock being drilled and the performance of the drill bit itself.

The drill bit is one of important tools for petroleum drilling, and has important functions in selecting drilling process, especially in drilling quality, drilling speed and cost.

In the related art, rock is crushed using a drill bit during drilling. However, the existing part of drill bit connecting structure is mostly connected through a threaded mode, and after long-term use, disassembly and maintenance of the drill bit, abrasion of the threads is serious, so that the condition that the drill bit is loose is caused, timely replacement is needed, and unnecessary waste is generated. And the drill bit directly impacts the ground, so that the drill bit is easy to break.

Accordingly, there is a need to provide a high strength drill bit connection and fixation structure that solves the above-mentioned problems.

Disclosure of Invention

The utility model provides a connecting and fixing structure for a high-strength drill bit, which solves the problems that in the related art, the connecting strength of the existing part of the drill bit connecting structure is low, and the drill bit directly collides with the ground.

In order to solve the technical problems, the utility model provides a connection fixing structure for a high-strength drill bit, which comprises: a drill rod;

the peripheral side surface of the drill bit is connected to the inner side of the drill rod in a sliding manner;

the back of the connecting component is rotationally connected to two sides of the front of the drill rod, the connecting component comprises two rotating discs, the back of each rotating disc is rotationally connected to two sides of the front of the drill rod, the back of each rotating disc penetrates through the front of the drill rod and extends to the inside of the drill rod, gears are fixedly connected to the back of each rotating disc, the back of each gear is rotationally connected with the back of the inner side of the drill rod, and two sliding blocks are slidingly connected to the inner side of the drill rod;

and the peripheral side surface of the buffer assembly is slidably connected to the inner side of the drill rod.

Preferably, the top of two the sliders is fixedly connected with a gear plate, the two gear plates are respectively meshed with two gears, and clamping blocks are fixedly connected between opposite sides of the two gear plates.

Preferably, two opposite sides of the clamping block penetrate through two sides of the drill bit respectively and extend to the inside of the drill bit, a sliding groove is formed in the inner side of the drill rod, and a mounting groove is formed in the inner side of the drill rod.

Preferably, the buffer assembly comprises a sliding rod, the peripheral side surface of the sliding rod is slidably connected to the inner side of the drill rod, and guide blocks are fixedly connected to the front surface and the back surface of the sliding rod.

Preferably, two guide grooves are formed in the inner side of the drill rod, a spring is sleeved on the peripheral side face of the sliding rod, and a moving plate is fixedly connected to the bottom end of the sliding rod.

Preferably, a drill groove is formed in the inner side of the drill rod, and two clamping grooves are formed in the inner side of the drill.

Compared with the related art, the connecting and fixing structure for the high-strength drill bit has the following beneficial effects:

the utility model provides a connecting and fixing structure for a high-strength drill bit, which is characterized in that two gear plates are driven to move to opposite sides through rotation of two gears, the movement of the two gear plates drives two clamping blocks to enter clamping grooves, so that the drill bit can be connected, the structure is simple and practical, the problem that the connection strength is low after a threaded connection mode is used for a long time can be effectively avoided, the moving plate is driven to move upwards through movement of the drill bit, the sliding rod is driven to move upwards through movement of the moving plate, the spring is further contracted through movement of the sliding rod, the drill bit is buffered, the drill bit can be protected, and the phenomenon that the drill bit is broken due to direct contact between the drill bit and the ground is avoided.

Drawings

FIG. 1 is a schematic view of a connecting and fixing structure for a high strength drill according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a cross-sectional view of the drill pipe shown in FIG. 1;

fig. 3 is an enlarged schematic view of the structure of the region a shown in fig. 2.

Reference numerals in the drawings: 1. a drill rod; 2. a drill bit; 3. a connection assembly; 31. a rotating disc; 32. a gear; 33. a slide block; 34. a gear plate; 35. a clamping block; 36. a chute; 37. a mounting groove; 4. a buffer assembly; 41. a slide bar; 42. a guide block; 43. a guide groove; 44. a spring; 45. a moving plate; 5. a drill bit slot; 6. a clamping groove.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic structural view of a preferred embodiment of a connection fixing structure for a high-strength drill bit according to the present utility model; FIG. 2 is a schematic view of a cross-sectional view of the drill pipe shown in FIG. 1; fig. 3 is an enlarged schematic view of the structure of the area a shown in fig. 2, which is a connection fixing structure for a high-strength drill bit, comprising: a drill rod 1;

the circumference surface of the drill bit 2 is connected to the inner side of the drill rod 1 in a sliding manner;

the connecting assembly 3, the back of the connecting assembly 3 is rotationally connected to two sides of the front of the drill rod 1, the connecting assembly 3 comprises two rotating discs 31, the back of the two rotating discs 31 is rotationally connected to two sides of the front of the drill rod 1, the back of the two rotating discs 31 penetrates through the front of the drill rod 1 and extends to the inside of the drill rod 1, gears 32 are fixedly connected to the back of the two rotating discs 31, the back of the two gears 32 is rotationally connected with the back of the inner side of the drill rod 1, and two sliding blocks 33 are slidingly connected to the inner side of the drill rod 1;

and the buffer assembly 4 is slidably connected to the inner side of the drill rod 1 on the circumferential side surface of the buffer assembly 4.

The top of two sliders 33 is all fixedly connected with gear plate 34, and two gear plates 34 mesh with two gears 32 respectively, all fixedly connected with fixture block 35 between the opposite side of two gear plates 34.

Two opposite sides of fixture block 35 run through the both sides of drill bit 2 respectively and extend to the inside of drill bit 2, and spout 36 has been seted up to the inboard of drilling rod 1, and mounting groove 37 has been seted up to the inboard of drilling rod 1, and spout 36 and two sliders 33 cooperation use can provide two sliders 33 and slide about.

The buffer assembly 4 comprises a sliding rod 41, the peripheral side surface of the sliding rod 41 is slidably connected to the inner side of the drill rod 1, and the front surface and the back surface of the sliding rod 41 are fixedly connected with guide blocks 42.

Two guide grooves 43 are formed in the inner side of the drill rod 1, springs 44 are sleeved on the peripheral side face of the sliding rod 41, a moving plate 45 is fixedly connected to the bottom end of the sliding rod 41, and the guide grooves 43 are matched with the guide blocks 42 for use and can provide the guide blocks 42 to slide up and down.

The drill bit groove 5 has been seted up to the inboard of drilling rod 1, and two draw-in grooves 6 have been seted up to the inboard of drill bit 2, and drill bit groove 5 is used for installing the drill bit, and two draw-in grooves 6 and two fixture blocks 35 cooperation use can provide drill bit 2 and slide from top to bottom.

The utility model provides a connecting and fixing structure for a high-strength drill bit, which has the following working principle:

the first step: when the drill bit 2 is used, the drill bit 1 is put into the drill rod, the two rotating discs 31 are rotated, the two gears 32 are driven to rotate by the rotation of the two rotating discs 31, the two gear plates 34 are driven to move to the opposite sides by the rotation of the two gears 32, and the two clamping blocks 35 are driven to enter the clamping grooves 6 by the movement of the two gear plates 34, so that the drill bit 2 can be connected;

and a second step of: when the drill bit 2 contacts with the ground, the drill bit 2 moves upward, the moving plate 45 moves upward by the movement of the drill bit 2, the movement of the moving plate 45 drives the sliding rod 41 to move upward, and the movement of the sliding rod 41 further contracts the spring 44, so that the drill bit 2 is buffered.

the rotation through two gears 32 drives two gear plates 34 and removes to opposite one side, and the removal of two gear plates 34 drives two fixture blocks 35 and gets into draw-in groove 6, and then can connect drill bit 2, and simple structure is practical, can effectively avoid the long-term back of using of threaded connection mode, lead to the lower problem of joint strength, make movable plate 45 upwards remove through the removal of drill bit 2, the removal of movable plate 45 drives slide bar 41 upwards and removes, the removal of slide bar 41 and then makes spring 44 shrink, thereby cushion drill bit 2, can play the guard action to drill bit 2, avoid drill bit 2 and ground direct contact to cause the phenomenon that drill bit 2 collapses to appear.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A high strength is connection fixed knot constructs for drill bit, characterized by comprising: a drill rod (1);

the circumference surface of the drill bit (2) is connected to the inner side of the drill rod (1) in a sliding manner;

the connecting assembly (3), the back of connecting assembly (3) rotates and connects in the positive both sides of drilling rod (1), connecting assembly (3) include two rolling disc (31), two the back of rolling disc (31) rotates and connects in the positive both sides of drilling rod (1), two the back of rolling disc (31) all runs through the front of drilling rod (1) and extends to the inside of drilling rod (1), two the back of rolling disc (31) all fixedly connected with gear (32), two the back of gear (32) rotates with the back of drilling rod (1) inboard and is connected, the inboard sliding connection of drilling rod (1) has two sliders (33);

the buffering assembly (4), the week side sliding connection of buffering assembly (4) is in the inboard of drilling rod (1).

2. The connecting and fixing structure for a high-strength drill bit according to claim 1, wherein the tops of the two sliding blocks (33) are fixedly connected with gear plates (34), the two gear plates (34) are respectively meshed with the two gears (32), and clamping blocks (35) are fixedly connected between opposite sides of the two gear plates (34).

3. The connecting and fixing structure for the high-strength drill bit according to claim 2, wherein two opposite sides of the clamping blocks (35) penetrate through two sides of the drill bit (2) respectively and extend into the drill bit (2), a sliding groove (36) is formed in the inner side of the drill rod (1), and a mounting groove (37) is formed in the inner side of the drill rod (1).

4. The connecting and fixing structure for the high-strength drill bit according to claim 1, wherein the buffer assembly (4) comprises a sliding rod (41), a peripheral side surface of the sliding rod (41) is slidably connected to an inner side of the drill rod (1), and guide blocks (42) are fixedly connected to a front surface and a back surface of the sliding rod (41).

5. The connecting and fixing structure for the high-strength drill bit according to claim 4, wherein two guide grooves (43) are formed in the inner side of the drill rod (1), a spring (44) is sleeved on the peripheral side surface of the sliding rod (41), and a moving plate (45) is fixedly connected to the bottom end of the sliding rod (41).

6. The connecting and fixing structure for the high-strength drill bit according to claim 1, wherein a drill bit groove (5) is formed in the inner side of the drill rod (1), and two clamping grooves (6) are formed in the inner side of the drill bit (2).