CN219061555U - Drill rod supporting device for pneumatic rock drill - Google Patents

Abstract

The utility model discloses a drill rod supporting device for a pneumatic rock drill, which comprises a fixed rod, a thimble inserted into the fixed rod, a rotating hook for supporting a drill rod and a fixer for limiting the relative position of the fixed rod and the thimble, wherein the top of the thimble penetrates out of the fixed rod and is propped against a rock stratum at the top of a mine, and an adjustable support for adjusting the height of the fixed rod is arranged at the bottom of the fixed rod; the rotary hook is fixedly connected to the thimble through the mounting assembly; through the arrangement of the drill rod supporting device, the operation workload of a rod supporting worker is effectively reduced, the working efficiency is effectively improved, meanwhile, the potential safety hazard is reduced, and the operation safety is improved; meanwhile, the drill rod supporting device is simple in structure, convenient to assemble and disassemble and capable of improving applicability in small mines when supporting operation is achieved.

Description

Drill rod supporting device for pneumatic rock drill

Technical Field

The utility model belongs to the technical field of mining equipment, and particularly relates to a drill rod supporting device for a pneumatic rock drill.

Background

A pneumatic air leg rock drill is a hand-held semi-automatic working tool for mine rock drilling blasting and anchor net supporting engineering, which is driven by compressed air to rotate and reciprocate, and the impact force is utilized to drive a drill rod to rotate so as to realize rock breaking and drilling, and meanwhile, certain pressure water is connected to serve as dust removing and reducing tools, thus the pneumatic air leg rock drill belongs to a hand-held semi-automatic working tool. Along with the progress of technology, some larger mines gradually adopt a rock drill trolley to replace an air leg rock drill for manual drilling, but the prior mining of small and medium-sized mines is mainly carried out by the artificial air leg rock drill.

In actual operation, when the gas leg rock drill starts to drill, the drill bit is often not effectively drilled due to the fact that the drill rod is long and the drill bit slides due to the swing of the drill rod caused by impact turning force, and an operator is usually required to hold the drill rod for hole guiding, and a mine is often called as a bar holding work for the industry.

However, the rail industry has the following problems;

(1) the drill rod guiding hole is supported by the rod supporting worker, and the drill rod is easy to cause injury to people when shaking and rotating.

(2) The rock drill can generate larger vibration to the rock due to the impact of the rock drill during the drilling or the bolting operation, and the rock is easy to collapse due to the vibration and the impact when the rock stratum with poor geological conditions is encountered, so that personal injury accidents are caused, the safety risk is larger during the staff operation, and larger potential safety hazards exist.

Disclosure of Invention

The utility model provides a drill rod supporting device for a pneumatic rock drill, which aims to overcome the defects of the prior art and ensure the safety of operators and reduce potential safety hazards.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the drill rod supporting device for the pneumatic rock drill comprises a fixed rod, a thimble inserted in the fixed rod, a rotating hook used for supporting a drill rod and a fixer used for limiting the relative position of the fixed rod and the thimble, wherein the top of the thimble penetrates out of the fixed rod and is propped against a rock stratum at the top of a mine, and an adjustable support used for adjusting the height of the fixed rod is arranged at the bottom of the fixed rod; the rotary hook is fixedly connected to the thimble through the installation component.

Preferably, the side wall of the fixing rod is provided with a fixing hole, the fixing device comprises a fixing threaded piece penetrating through the fixing hole and a fixing nut in threaded fit with the fixing threaded piece, one end of the fixing threaded piece penetrates through the fixing rod and is propped against the side wall of the thimble, the other end of the fixing threaded piece is fixedly connected with a screwing table, and one end face of the nut is propped against the side wall of the fixing rod.

Preferably, the side wall of the thimble is provided with an installation internal thread hole, the installation assembly comprises a bracket sleeved on the thimble and a fixing bolt used for fixing the bracket on the thimble, the rotating hook is fixedly connected to one side of the bracket, and the fixing bolt penetrates through the side wall of the bracket and is in threaded fit with the installation internal thread hole.

Preferably, a plurality of installation internal thread holes are uniformly formed in the side wall of the thimble along the length direction.

Preferably, the adjustable support comprises an upper stud fixedly connected to the bottom end of the fixing rod, a lower stud positioned below the upper stud, a lower support arranged at the top of the lower stud, an adjusting sleeve with two ends respectively sleeved on the upper stud and the lower stud, and adjusting nuts fixedly connected to the two ends of the adjusting sleeve, the thread directions of the upper stud and the lower stud are symmetrically and reversely arranged, and the adjusting nuts are respectively in threaded fit with the upper stud and the lower stud.

Preferably, the adjusting sleeve is provided with a height adjusting hole.

Preferably, the lower support comprises a rotary table fixedly connected to the top of the lower stud, a rotary rod penetrating through the rotary table, a support main body rotatably connected to the rotary rod and a support nut used for limiting separation of the support main body and the rotary rod, wherein external threads are arranged on rod sections penetrating through the support main body and the two ends of the rotary rod, and the support nut is correspondingly in threaded fit with the two ends of the rotary rod.

Preferably, the top of the thimble is of a conical structure.

The utility model has the technical effects that: through the arrangement of the drill rod supporting device, the operation workload of a rod supporting worker is effectively reduced, the working efficiency is effectively improved, meanwhile, the potential safety hazard is reduced, and the operation safety is improved; meanwhile, the drill rod supporting device is simple in structure, convenient to assemble and disassemble and capable of improving applicability in small mines when supporting operation is achieved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic cross-sectional view at A-A in fig. 1.

Fig. 3 is a schematic perspective view of an adjustable mount.

FIG. 4 is a schematic view illustrating the operation of the present utility model in a retracted state of the ejector pin.

FIG. 5 is a schematic view showing the operation of the ejector pin of the present utility model in an extended state.

The reference numerals of the main technical characteristics in the drawings are as follows: 1. a rock drill; 11. a drill rod; 12. an air leg; 13. a top plate; 14. a rock face; 21. a fixed rod; 22. a thimble; 23. a rotating hook; 24. a holder; 242. fixing the screw; 241. a fixing nut; 3. an adjustable base; 41. installing an internal threaded hole; 42. a bracket; 43. a fixing bolt; 31. a stud is arranged; 32. a lower stud; 33. a lower support; 34. adjusting the sleeve; 35. adjusting the nut; 361. a rotary table; 362. a rotating rod; 363. a holder body; 364. a support nut; 37. and adjusting the height hole.

Detailed Description

The utility model is further illustrated by the following detailed description and the accompanying drawings.

As shown in fig. 1 to 5, a drill rod supporter for a pneumatic rock drill is used for supporting a drill rod 11 of the rock drill 1, a bottom plate 13 of an air leg 12 hinged on the rock drill 1 is fixed on the bottom surface, the drill rod 11 is installed on the output end of the bottom plate, and the tip end of the drill rod 11 is propped against a rock surface 14.

The drill rod supporting device for the pneumatic rock drill comprises a fixed rod 21, a thimble 22, a rotary hook 23 and a fixer 24, wherein an adjustable base 3 is arranged at the bottom of the fixed rod 21 and used for finely adjusting the height of the fixed rod 21, the thimble 22 is inserted into the top of the fixed rod 21, one end of the thimble 22 is inserted into the fixed rod 21 and fixed through the fixer 24, and the other end of the thimble 22 is pointed and pressed against a top plate of a mine top layer; the rotating hook 23 is mounted on the thimble 22 through a mounting assembly.

Further, the side wall of the fixing rod 21 is provided with a fixing hole, the fixing device 24 includes a fixing screw member 242 and a fixing nut 241, one end of the fixing screw member 242 is inserted into the fixing rod 21 and abuts against the side wall of the thimble 22, the other end is fixedly connected with a screwing table, the fixing screw member 242 is an outer hexagon bolt or a hand screwing bolt, the nut is in threaded fit with the fixing screw member 242, and one end face of the nut abuts against the side wall of the fixing rod 21.

Further, a plurality of mounting internal threaded holes 41 are uniformly formed in the side wall of the thimble 22 along the length direction, the mounting assembly comprises a bracket 42 and a fixing bolt 43, the bracket 42 is sleeved on the center, and the fixing bolt 43 penetrates through the side wall of the bracket 42 and is in threaded fit with the mounting internal threaded holes 41; the rotary hook 23 is fixedly connected to one side of the bracket 42, and the middle part of the drill rod 11 is lapped on the rotary hook 23.

Further, the adjustable support comprises an upper stud 31, a lower stud 32, a lower support 33, an adjusting sleeve 34 and an adjusting nut 35, the top end of the upper stud 31 is fixedly connected to the bottom of the fixed rod 21, the lower stud 32 is located below the upper stud 31, the thread directions of the upper stud 31 and the lower stud 32 are symmetrically and reversely arranged, the adjusting nut 35 is fixedly connected to two ends of the adjusting sleeve 34, the adjusting sleeve 34 is respectively sleeved on the upper stud 31 and the lower stud 32, and the adjusting nut 35 is respectively in corresponding threaded fit with the upper stud 31 and the lower stud 32.

Further, the lower support 33 includes a rotary table 361, a rotary rod 362, a support body 363, and a support nut 364, the rotary table 361 is fixedly connected to the bottom of the lower stud 32, the rotary rod 362 is inserted onto the lower stud 32, two ends of the rotary rod 362 respectively penetrate through two side walls of the rotary table 361, the support body 363 is rotatably connected to the rotary rod 362, two ends of the rotary rod 362 penetrate through the support body 363, external threads are provided on the rod sections at two ends of the rotary rod 362, and the support nut 364 is correspondingly in threaded engagement with two ends of the rotary rod 362 to limit the separation of the support body 363 and the rotary rod 362.

Further, the adjusting sleeve 34 is provided with a height adjusting hole 37, and a round steel can be inserted to screw the adjusting sleeve to adjust the height of the adjustable support.

The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and the present utility model may be applied to similar products, and any person skilled in the art who is skilled in the field of the present utility model shall make changes or modifications within the scope of the present utility model.

Claims (8)

1. A drill rod supporter for a pneumatic rock drill, which is characterized in that: the device comprises a fixed rod (21), a thimble (22) inserted into the fixed rod (21), a rotating hook (23) for supporting a drill rod (11) and a fixer (24) for limiting the relative position of the fixed rod (21) and the thimble (22), wherein the top of the thimble (22) penetrates out of the fixed rod (21) and is propped against a rock stratum at the top of a mine, and an adjustable support for adjusting the height of the fixed rod (21) is arranged at the bottom of the fixed rod (21); the rotating hook (23) is fixedly connected to the thimble (22) through a mounting assembly.

2. A drill rod supporter for a pneumatic rock drill according to claim 1, wherein: the fixing device is characterized in that a fixing hole is formed in the side wall of the fixing rod (21), the fixing device (24) comprises a fixing threaded piece (242) penetrating through the fixing hole and a fixing nut (241) in threaded fit with the fixing threaded piece (242), one end of the fixing threaded piece (242) penetrates through the fixing rod (21) and is propped against the side wall of the thimble (22), a screwing table is fixedly connected to the other end of the fixing threaded piece, and one end face of the fixing nut (241) is propped against the side wall of the fixing rod (21).

3. A drill rod supporter for a pneumatic rock drill according to claim 1, wherein: the side wall of the thimble (22) is provided with an installation internal thread hole (41), the installation assembly comprises a bracket (42) sleeved on the thimble (22) and a fixing bolt (43) used for fixing the bracket (42) on the thimble (22), the rotating hook (23) is fixedly connected to one side of the bracket (42), and the fixing bolt (43) is arranged on the side wall of the bracket (42) in a penetrating manner and is in threaded fit with the installation internal thread hole (41).

4. A drill rod supporter for a pneumatic rock drill according to claim 3, wherein: a plurality of mounting internal thread holes (41) are uniformly formed in the side wall of the thimble (22) along the length direction.

5. A drill rod supporter for a pneumatic rock drill according to claim 1, wherein: the adjustable support comprises an upper stud (31) fixedly connected to the bottom end of a fixed rod (21), a lower stud (32) arranged below the upper stud (31), a lower support (33) arranged at the top of the lower stud (32), an adjusting sleeve (34) with two ends respectively sleeved on the upper stud (31) and the lower stud (32) and adjusting nuts (35) fixedly connected to the two ends of the adjusting sleeve (34), wherein the directions of threads of the upper stud (31) and the lower stud (32) are symmetrically and reversely arranged, and the adjusting nuts (35) are respectively in threaded fit with the upper stud (31) and the lower stud (32).

6. A drill rod supporter for a pneumatic rock drill according to claim 5, wherein: the adjusting sleeve (34) is provided with a height adjusting hole (37).

7. A drill rod supporter for a pneumatic rock drill according to claim 5, wherein: the lower support (33) comprises a rotary table (361) fixedly connected to the top of the lower stud (32), a rotary rod (362) penetrating through the rotary table (361), a support main body (363) rotatably connected to the rotary rod (362) and a support nut (364) used for limiting separation of the support main body (363) and the rotary rod (362), wherein two ends of the rotary rod (362) penetrate through the support main body (363) and external threads are arranged on rod sections at two ends, and the support nut (364) is correspondingly in threaded fit with two ends of the rotary rod (362).

8. A drill rod supporter for a pneumatic rock drill according to claim 1, wherein: the top of the thimble (22) is of a conical structure.

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