Novel pneumatic pick drill

Abstract

The utility model discloses a novel air pick drill rod which comprises a drill rod tail, a main drill rod arranged at the bottom of the drill rod tail, a blocking table arranged between the drill rod tail and the main drill rod, a drill bit arranged at the bottom of the drill rod, a mounting plate arranged on the main drill rod, a threaded hole formed in the top of the mounting plate and penetrating through the bottom of the mounting plate, and a branch drill rod arranged at the bottom of the mounting plate. A reinforcing mechanism is arranged in the main drill rod, conical teeth are arranged on the outer side of the main drill rod, the protruding end of each first supporting piece is attached to the protruding end of the corresponding second supporting piece, and the non-protruding ends of the first supporting pieces and the non-protruding ends of the second supporting pieces are fixedly installed on the two sides of the inner wall of the cavity correspondingly. The tops and the bottoms of the first supporting pieces and the second supporting pieces in each set are attached to the corresponding fixing blocks. Through the arrangement of the reinforcing mechanism, the mounting plate, the threaded holes, the branch drill rods and the conical teeth, the original strength of the drill rod can be kept, meanwhile, the material consumption of the drill rod can be reduced, and the overall crushing effect of the air pick drill rod can be further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic pick chisels, in particular to a novel pneumatic pick chisel. Background Art

[0002] A pneumatic pick is a tool used to produce rock drilling equipment and equipment-related accessories. It is a rod-shaped tool with a sharp end at one end and the other end used to connect to the rock drilling equipment. It can impact and break the ground or rock.

[0003] The prior art has the following deficiencies: the prior art "a pneumatic pick drill" with application number 201921407657.4 "includes a drill head, a drill rod and a drill tail, the drill head and the drill tail are respectively located at the two ends of the drill rod, a stopper is provided between the drill tail and the drill rod, the drill rod, the stopper and the drill tail are integrally formed, a connecting structure is provided between the drill head and the drill rod, and the connecting structure includes a stud fixedly connected to the connecting rod of the drill head and a connecting block rotatably connected to the connecting sleeve";

[0004] In order to ensure the overall strength of the drill rod, the above-mentioned equipment sets the drill rod as a whole solid. Although the solid setting of the drill rod ensures the overall strength of the drill rod, it will consume more materials during the manufacturing of the drill rod. Moreover, the above-mentioned equipment only uses a single drill rod combined with a corresponding drill head to crush the ground or rock, and the crushing effect is limited. The crushing effect of the pneumatic pick drill can be further improved. Utility Model Content

[0005] The purpose of the utility model is to provide a novel pneumatic pick chisel to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A novel pneumatic pick drill comprises a drill tail, a main drill rod is arranged at the bottom of the drill tail, a stopper is arranged between the drill tail and the main drill rod, a drill head is arranged at the bottom of the main drill rod, a mounting plate is arranged on the main drill rod, a threaded hole is opened at the top of the mounting plate and passes through the bottom, a sub-drill rod is arranged at the bottom of the mounting plate, a reinforcing mechanism is arranged inside the main drill rod, and conical teeth are arranged on the outer side of the main drill rod;

[0008] The reinforcing mechanism comprises a cavity, a fixing block, a first supporting member and a second supporting member. The main drill rod is provided with a cavity, a fixing block is arranged in the cavity, and the fixing block is provided with a first supporting member and a second supporting member.

[0009] As a preferred technical solution of the utility model, an opening adapted to the main drill rod is provided at the center of the mounting plate, and the mounting plate is sleeved and fixed on a position close to the top end of the main drill rod.

[0010] As a preferred technical solution of the utility model, a plurality of groups of fixing blocks are fixedly installed in the cavity and the fixing blocks are distributed at equal distances, and a group of first supporting members and second supporting members are arranged between each two adjacent groups of fixing blocks.

[0011] As a preferred technical solution of the present utility model, the first support member and the second support member are both arc-shaped, the protruding ends of each group of the first support members are in contact with the corresponding protruding ends of the second support members, and the non-protruding ends of the first support member and the second support member are respectively fixedly installed on both sides of the inner wall of the cavity, and the top and bottom of each group of the first support member and the second support member are in contact with the corresponding fixing blocks.

[0012] As a preferred technical solution of the utility model, a plurality of groups of conical teeth are fixedly mounted on the main drill rod, and every four groups of conical teeth are located in corresponding positions and are distributed in a cross shape.

[0013] As a preferred technical solution of the utility model, the top end of the split drill rod is provided with a plurality of sets of threads, the threaded hole is adapted to the top end of the split drill rod, and the top end of the split drill rod is threadedly connected to the mounting plate.

[0014] As a preferred technical solution of the utility model, the sub-drilling rods are consistent in structure and material with the main drill rod. There are two groups of sub-drilling rods and the installation structures of the two groups of drill rods are the same.

[0015] Compared with the prior art, the utility model provides a new type of pneumatic pick chisel, which has the following beneficial effects:

[0016] 1. This novel pneumatic pick drill has a reinforcing mechanism. When the main drill rod and the sub-drill rod are subjected to force, the corresponding fixed blocks can transfer the force received at the top and bottom of the cavity to the first support member and the second support member, and the force received at both sides of the inner wall of the cavity can be directly transferred to the first support member and the second support member. The first support member and the second support member can transfer and offset the force received to each other, and finally reduce the material consumption of the drill rod while maintaining the original strength of the drill rod.

[0017] 2. This new type of pneumatic pick drill has a mounting plate, threaded holes, sub-drill rods, and conical teeth. The driving device drives the drill head of the main drill rod to continuously impact the ground or rock. The main drill rod simultaneously drives the drill heads of the two sub-drill rods to perform auxiliary impact. The conical teeth can assist the corresponding drill heads to perform crushing work during the movement of the main drill rod and the sub-drill rod, thereby further improving the overall crushing effect of the pneumatic pick drill. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the main drill rod of the utility model;

[0020] Figure 3 This is a schematic diagram of the specific structure of the strengthening mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the second support member of the utility model;

[0022] Figure 5 This is a top view of the distribution position of the conical teeth of the utility model;

[0023] Figure 6 It is a schematic diagram of the structure of the drill rod of the utility model.

[0024] In the figure: 1, drill tail; 2, stopper; 3, main drill rod; 4, drill head; 5, mounting plate; 6, threaded hole; 7, branch drill rod; 8, reinforcement mechanism; 801, cavity; 802, fixing block; 803, first support member; 804, second support member; 9, tapered teeth. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-6 In this embodiment: a new type of pneumatic pick drill comprises a drill tail 1, a main drill rod 3 is arranged at the bottom of the drill tail 1, a stopper 2 is arranged between the drill tail 1 and the main drill rod 3, a drill head 4 is arranged at the bottom of the main drill rod 3, and the drill head 4 can break the ground or rock, a mounting plate 5 is arranged on the main drill rod 3, a threaded hole 6 is opened on the top of the mounting plate 5 and passes through the bottom, a sub-drill rod 7 is arranged at the bottom of the mounting plate 5, a reinforcing mechanism 8 is arranged in the main drill rod 3, and the reinforcing mechanism 8 can reduce the material consumption of the main drill rod 3 while maintaining the original strength of the main drill rod 3, and a conical tooth 9 is arranged on the outer side of the main drill rod 3;

[0027] The reinforcing mechanism 8 includes a cavity 801, a fixed block 802, a first support member 803 and a second support member 804. A cavity 801 is opened in the main drill rod 3, a fixed block 802 is arranged in the cavity 801, and a first support member 803 and a second support member 804 are arranged on the fixed block 802. The first support member 803 and the second support member 804 can transmit and offset the forces received to each other.

[0028] In this embodiment, an opening adapted to the main drill rod 3 is provided at the center of the mounting plate 5, and the mounting plate 5 is sleeved and fixed on the main drill rod 3 near the top.

[0029] Specifically, the mounting plate 5 can facilitate the installation of the drill rod 7;

[0030] In this embodiment, a plurality of groups of fixing blocks 802 are fixedly installed in the cavity 801 and the fixing blocks 802 are distributed at equal distances, and a group of first supporting members 803 and second supporting members 804 are disposed between each two adjacent groups of fixing blocks 802;

[0031] Specifically, the cavity 801 can facilitate the installation of the fixing block 802, the first support member 803, and the second support member 804;

[0032] In this embodiment, the first support member 803 and the second support member 804 are both arc-shaped, the protruding ends of each group of first support members 803 are in contact with the corresponding protruding ends of the second support members 804, and the non-protruding ends of the first support members 803 and the second support members 804 are respectively fixedly mounted on both sides of the inner wall of the cavity 801, and the top and bottom of each group of first support members 803 and the second support members 804 are in contact with the corresponding fixing block 802;

[0033] Specifically, the fixing block 802 can conveniently transfer the force on the top and bottom of the cavity 801 to the first support member 803 and the second support member 804;

[0034] In this embodiment, a plurality of groups of conical teeth 9 are fixedly mounted on the main drill rod 3, and each four groups of conical teeth 9 are located in corresponding positions and are distributed in a cross shape;

[0035] Specifically, the conical teeth 9 can assist the drill bit 4 in crushing work;

[0036] In this embodiment, the top of the split drill rod 7 is provided with a plurality of sets of threads, the threaded hole 6 is adapted to the top of the split drill rod 7, and the top of the split drill rod 7 is threadedly connected to the mounting plate 5;

[0037] Specifically, the threaded hole 6 can facilitate the connection between the drill rod 7 and the mounting plate 5;

[0038] In this embodiment, the sub-drilling rod 7 has the same structure and material as the main drill rod 3. There are two groups of sub-drilling rods 7 and the installation structures of the two groups of drill rods 7 are the same.

[0039] Specifically, the sub-drill rod 7 can assist the main drill rod 3 in performing the crushing work.

[0040] The working principle and use process of the utility model are as follows: the two-component drill rod 7 is mounted on the mounting plate 5, and the drill tail 1 is connected to an external driving device. The driving device can drive the drill head 4 of the main drill rod 3 to continuously impact the ground or rock, and the main drill rod 3 can synchronously drive the drill head 4 of the two-component drill rod 7 to perform auxiliary impact. Since the conical teeth 9 are relatively sharp, the corresponding drill head 4 can be assisted to perform crushing work during the movement of the main drill rod 3 and the sub-drill rod 7, thereby further improving the overall crushing effect of the pneumatic pick drill, and the main drill rod 3 and the sub-drill rod 7 can be used to crush the ground or rock. When subjected to force, the corresponding fixed block 802 can transfer the force received at the top and bottom of the cavity 801 to the first support member 803 and the second support member 804, and the force received at both sides of the inner wall of the cavity 801 can be directly transmitted to the first support member 803 and the second support member 804. Since the first support member 803 and the second support member 804 are both arc-shaped and their protruding ends are in contact with each other, the first support member 803 and the second support member 804 can transmit and offset the force received to each other, and ultimately reduce the consumption of drill rod material while maintaining the original strength of the drill rod.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A novel pneumatic pick drill, comprising a drill tail (1), a main drill rod (3) being arranged at the bottom of the drill tail (1), a stopper (2) being arranged between the drill tail (1) and the main drill rod (3), a drill head (4) being arranged at the bottom of the main drill rod (3), characterized in that: The main drill rod (3) is provided with a mounting plate (5), the top of the mounting plate (5) is provided with a threaded hole (6) which passes through the bottom, the bottom of the mounting plate (5) is provided with a sub-drill rod (7), a reinforcing mechanism (8) is provided inside the main drill rod (3), and the outer side of the main drill rod (3) is provided with conical teeth (9); The reinforcing mechanism (8) comprises a cavity (801), a fixing block (802), a first supporting member (803) and a second supporting member (804); the main drill rod (3) is provided with a cavity (801); the cavity (801) is provided with a fixing block (802); the fixing block (802) is provided with a first supporting member (803) and a second supporting member (804).

2. A new type of pneumatic pick drill according to claim 1, characterized in that: An opening adapted to the main drill rod (3) is provided at the center of the mounting plate (5), and the mounting plate (5) is sleeved and fixed on a position close to the top end of the main drill rod (3).

3. A new type of pneumatic pick drill according to claim 1, characterized in that: A plurality of groups of fixing blocks (802) are fixedly installed in the cavity (801), and the fixing blocks (802) are distributed at equal distances, and a group of first supporting members (803) and second supporting members (804) are provided between each two adjacent groups of fixing blocks (802).

4. A new type of pneumatic pick drill according to claim 1, characterized in that: The first support member (803) and the second support member (804) are both arc-shaped, the protruding ends of each group of the first support members (803) are in contact with the protruding ends of the corresponding second support members (804), and the non-protruding ends of the first support members (803) and the second support members (804) are respectively fixedly mounted on both sides of the inner wall of the cavity (801), and the top and bottom of each group of the first support members (803) and the second support members (804) are in contact with the corresponding fixing block (802).

5. A novel pneumatic pick drill according to claim 1, characterized in that: A plurality of groups of conical teeth (9) are fixedly mounted on the main drill rod (3), and each four groups of conical teeth (9) are located in corresponding positions and are distributed in a cross shape.

6. A new type of pneumatic pick drill according to claim 1, characterized in that: The top end of the split drill rod (7) is provided with a plurality of sets of threads, the threaded hole (6) is adapted to the top end of the split drill rod (7), and the top end of the split drill rod (7) is threadedly connected to the mounting plate (5).

7. A new type of pneumatic pick drill according to claim 1, characterized in that: The branch drill rods (7) have the same structure and material as the main drill rod (3); there are two groups of branch drill rods (7) and the mounting structures of the two groups of drill rods (7) are the same.

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