High-strength wear-resistant alloy drill rod

Abstract

The utility model relates to the technical field between drill rods and drill bits or between drill rods, and discloses a high-strength wear-resistant alloy drill rod which comprises a drill rod body, the outer surface of the drill rod body is fixedly sleeved with a fixing base, the drill bit is arranged on the lower side of the drill rod body, and a connecting groove is formed in the lower end of the drill rod body. A connecting column is fixedly connected to the upper end of the drill bit, two clamping mechanisms are arranged on the drill rod body and the connecting column, the drill rod body and the drill bit are connected together through the two clamping mechanisms, and the two clamping mechanisms are the same in connecting structure and are symmetrically arranged front and back. The clamping mechanism comprises a clamping groove, a sliding groove, a sliding clamping block, a first spring, a sliding control plate, a control groove, a control rod and a second spring, in this way, the drill rod body can be connected without threaded connection, then the drill bit is replaced more easily and conveniently after being damaged, the working efficiency is improved, and the practicability is high. And meanwhile, the possibility of loosening in the working process is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field between a drill rod and a drill bit, or between drill rods, and in particular to a high-strength wear-resistant alloy drill rod. Background Art

[0002] There are many types of drilling equipment depending on their application areas, ranging from thin-walled drills that can be held by hand and weigh only more than ten kilograms to ultra-deep hole drills that weigh thousands of tons and require an entire train to load. Depending on their uses, the structure of the drilling equipment naturally ranges from very simple to very complex. The drill rod is an important component of the drilling rig. With the development of material technology, alloy drill rods are used more and more in the field of drilling rigs. Their good mechanical properties enable them to be competent for a variety of work occasions.

[0003] Existing alloy drill rods are mostly threaded connections, which often break during drilling. The drill rod is not convenient for replacing the drill bit, which reduces work efficiency. At the same time, the threaded connection may become loose after being used for a long time. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a high-strength wear-resistant alloy drill rod, which has the function of connecting the drill rods without using threaded connections, thereby making it easier and more convenient to replace the drill bit after it is damaged, thereby improving work efficiency and avoiding the possibility of loosening during the work process.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength wear-resistant alloy drill rod, comprising a drill rod body, a fixed seat is fixedly sleeved on the outer surface of the drill rod body, and a drill bit is arranged on the lower side of the drill rod body;

[0008] A connecting groove is provided at the lower end of the drill rod body, and a connecting column is fixedly connected to the upper end of the drill bit. The connecting groove and the connecting column are adapted to each other. Two clamping mechanisms are provided on the drill rod body and the connecting column. The drill rod body and the drill bit are connected together through the two clamping mechanisms. The two clamping mechanisms have the same connection structure and are symmetrically arranged front and back.

[0009] The clamping mechanism comprises a clamping slot, a sliding slot, a sliding clamping block, a first spring, a sliding control plate, a control slot, a control rod and a second spring.

[0010] Preferably, the snap-in groove is provided on the front side of the outer surface of the connecting groove, and the sliding groove is provided on the front side of the outer surface of the connecting column;

[0011] The sliding card block is slidably connected inside the sliding groove, the sliding card block is matched with the clamping groove, and a slope is arranged on the front side of the sliding card block.

[0012] Preferably, the first spring is fixedly connected to the rear side of the sliding block, the rear end of the first spring is fixedly connected to the rear wall of the sliding slot, and the sliding control plate is slidably connected to the inside of the clamping slot.

[0013] Preferably, the sliding control plate can contact the sliding card block, and the control groove is opened on the front wall of the card slot;

[0014] A fixing seat extends from the front wall of the control slot, and the control rod is fixedly connected to the front side of the sliding control plate.

[0015] Preferably, the front side of the control rod extends into the interior of the control slot, and the front side of the control rod does not extend out of the fixing seat;

[0016] The second spring is fixedly connected to the front side of the sliding control plate, and the front end of the second spring is fixedly connected to the front wall of the clamping groove.

[0017] Preferably, a limiting groove is provided on the upper side of the connecting column, a limiting block is fixedly connected to the top wall of the connecting groove, and the limiting block is adapted to the limiting groove.

[0018] (III) Beneficial effects

[0019] Compared with the prior art, the utility model provides a high-strength wear-resistant alloy drill rod, which has the following beneficial effects:

[0020] (1) The high-strength wear-resistant alloy drill rod is pressed backward by the control rod, and then the control rod starts to move backward. After the control rod is driven, the engagement state between the sliding block and the engagement groove is released. At the same time, the rear control rod is pressed forward, and then the engagement state of the rear engagement mechanism is released. Then, the drill bit can be taken out and replaced by moving it downward. After that, the installation of the drill bit can be completed according to the above method. In this way, the drill rod body can be connected without using a threaded connection, which makes it easier and more convenient to replace the drill bit after it is damaged, thereby improving work efficiency.

[0021] (2) After the drill bit is installed, the limit block of the high-strength wear-resistant alloy drill rod will move to the inside of the limit groove to form a limit, thereby improving the stability of the drill bit during operation and avoiding the possibility of loosening during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of a high-strength wear-resistant alloy drill rod of the utility model;

[0023] Figure 2This is a schematic diagram of the cross-sectional connection structure of the drill pipe body and the fixing seat of the utility model;

[0024] Figure 3 This is a schematic diagram of the cross-sectional connection structure of the connecting column of the utility model.

[0025] In the figure: 1. drill rod body; 2. fixing seat; 3. drill bit; 4. connecting groove; 5. connecting column; 6. clamping groove; 7. sliding groove; 8. sliding block; 9. first spring; 10. sliding control plate; 11. control groove; 12. control rod; 13. second spring; 14. limit groove; 15. limit block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 3 The utility model provides a new technical solution: a high-strength wear-resistant alloy drill rod, comprising a drill rod body 1, a fixed seat 2 is fixedly sleeved on the outer surface of the drill rod body 1, a drill bit 3 is arranged on the lower side of the drill rod body 1, a connecting groove 4 is opened at the lower end of the drill rod body 1, a connecting column 5 is fixedly connected to the upper end of the drill bit 3, the connecting groove 4 and the connecting column 5 are adapted, two clamping mechanisms are arranged on the drill rod body 1 and the connecting column 5, the drill rod body 1 and the drill bit 3 are connected together by the two clamping mechanisms, the two clamping mechanisms have the same connection structure and are symmetrically arranged front and back, the lower side specification is all for the front side clamping mechanism as the object of description, the clamping mechanism comprises a clamping groove 6, a sliding groove 7, a sliding clamping block 8, a first spring 9, a sliding control plate 10, a control groove 11, a control rod 12 and a second spring 13.

[0028] Further, the card slot 6 is opened on the front side of the outer surface of the connecting slot 4, the sliding slot 7 is opened on the front side of the outer surface of the connecting column 5, the sliding card block 8 is slidably connected to the inside of the sliding slot 7, the sliding card block 8 is adapted to the card slot 6, and the front side of the sliding card block 8 is provided with an inclined surface, the first spring 9 is fixedly connected to the rear side of the sliding card block 8, the rear end of the first spring 9 is fixedly connected to the rear wall of the sliding slot 7, the sliding control plate 10 is slidably connected to the inside of the card slot 6, the sliding control plate 10 can contact the sliding card block 8, and the control slot 11 is opened in the card slot. On the front wall of the groove 6, the front wall of the control groove 11 extends out of the fixing seat 2, the control rod 12 is fixedly connected to the front side of the sliding control plate 10, the front side of the control rod 12 extends into the interior of the control groove 11, and the front side of the control rod 12 does not extend out of the fixing seat 2, the second spring 13 is fixedly connected to the front side of the sliding control plate 10, the front end of the second spring 13 is fixedly connected to the front wall of the clamping groove 6, a limiting groove 14 is provided on the upper side of the connecting column 5, and a limiting block 15 is fixedly connected to the top wall of the connecting groove 4, and the limiting block 15 is adapted to the limiting groove 14.

[0029] Furthermore, when the drill bit 3 needs to be replaced, the staff presses the control rod 12 to the rear side, and the control rod 12 starts to move to the rear side, and the control rod 12 drives the sliding control plate 10 to start moving to the rear side, and at the same time, the second spring 13 starts to become a stretched state, and the sliding control plate 10 pushes the sliding block 8 to move to the rear side, and then the sliding block 8 will move to the inside of the sliding groove 7. At this time, the sliding block 8 will move out from the inside of the card slot 6, and at the same time, the first spring 9 starts to become a compressed state, and the card connection between the sliding block 8 and the card slot 6 is released. The side control rod 12 is pressed toward the front side, and the clamping state of the rear clamping mechanism is also released, and then the drill bit 3 can be taken out for replacement by moving it downward. Thereafter, the installation of the drill bit 3 can be completed according to the above method. At the same time, the limit block 15 will move to the inside of the limit groove 14 to form a limit, thereby improving the stability of the drill bit 3 during operation. In this way, the drill rod body 1 can be connected without using a threaded connection, thereby making it easier and more convenient to replace the drill bit 3 after it is damaged, thereby improving work efficiency and avoiding the possibility of loosening during work.

[0030] Working principle: when the drill bit 3 needs to be replaced, the staff presses the control rod 12 to the rear side, and the control rod 12 starts to move to the rear side, and the control rod 12 drives the sliding control plate 10 to start moving to the rear side, and at the same time the second spring 13 starts to become stretched, and the sliding control plate 10 pushes the sliding block 8 to move to the rear side, and the sliding block 8 will move to the inside of the sliding groove 7, at this time the sliding block 8 will move out from the inside of the clamping groove 6, and at the same time the first spring 9 starts to become compressed, and the clamping state of the sliding block 8 and the clamping groove 6 is released, and at the same time the rear control rod 12 is pressed forward, and the clamping state of the rear clamping mechanism will also be released, and then the drill bit 3 can be taken out for replacement by moving downward, and then the installation of the drill bit 3 can be completed according to the above method, and at the same time the limit block 15 will move to the inside of the limit groove 14 to form a limit, thereby improving the stability of the drill bit 3 when working.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength wear-resistant alloy drill rod, comprising a drill rod body (1), a fixing seat (2) being fixedly sleeved on the outer surface of the drill rod body (1), and a drill bit (3) being arranged on the lower side of the drill rod body (1); The lower end of the drill rod body (1) is provided with a connection groove (4), the upper end of the drill bit (3) is fixedly connected with a connection column (5), the connection groove (4) and the connection column (5) are adapted to each other, and the characteristics are as follows: The drill rod body (1) and the connecting column (5) are provided with two clamping mechanisms, the drill rod body (1) and the drill bit (3) are connected together via the two clamping mechanisms, and the two clamping mechanisms have the same connection structure and are arranged symmetrically in front and back; The clamping mechanism comprises a clamping groove (6), a sliding groove (7), a sliding clamping block (8), a first spring (9), a sliding control plate (10), a control groove (11), a control rod (12) and a second spring (13).

2. A high-strength wear-resistant alloy drill pipe according to claim 1, characterized in that: The clamping groove (6) is provided on the front side of the outer surface of the connecting groove (4), and the sliding groove (7) is provided on the front side of the outer surface of the connecting column (5); The sliding card block (8) is slidably connected inside the sliding groove (7), the sliding card block (8) is matched with the clamping groove (6), and the front side of the sliding card block (8) is provided with an inclined surface.

3. A high-strength wear-resistant alloy drill pipe according to claim 1, characterized in that: The first spring (9) is fixedly connected to the rear side of the sliding block (8), the rear end of the first spring (9) is fixedly connected to the rear wall of the sliding groove (7), and the sliding control plate (10) is slidably connected to the inside of the clamping groove (6).

4. A high-strength wear-resistant alloy drill pipe according to claim 3, characterized in that: The sliding control plate (10) is capable of contacting the sliding card block (8), and the control groove (11) is formed on the front wall of the card slot (6); A fixing seat (2) extends from the front wall of the control groove (11), and a control rod (12) is fixedly connected to the front side of the sliding control plate (10).

5. A high-strength wear-resistant alloy drill pipe according to claim 4, characterized in that: The front side of the control rod (12) extends into the interior of the control groove (11), and the front side of the control rod (12) does not extend out of the fixing seat (2); The second spring (13) is fixedly connected to the front side of the sliding control plate (10), and the front end of the second spring (13) is fixedly connected to the front wall of the clamping groove (6).

6. A high-strength wear-resistant alloy drill pipe according to claim 1, characterized in that: A limiting groove (14) is provided on the upper side of the connecting column (5), a limiting block (15) is fixedly connected to the top wall of the connecting groove (4), and the limiting block (15) is adapted to the limiting groove (14).

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