CN220378174U - Noise reduction type rock drill for mining - Google Patents

Abstract

The utility model relates to the technical field of rock drills and discloses a noise-reduction type rock drill for mining, which comprises a machine shell and a steel drill, wherein the steel drill is arranged at the lower end of the outer part of the machine shell, a connecting pipe is arranged at the outer part of the lower end of the machine shell in a threaded fit manner, a telescopic cavity is arranged at the outer part of the connecting pipe, a fixed outer pipe is slidably arranged at the lower end of the outer part of the connecting pipe, six second damping shock absorbers which are uniformly distributed along a ring shape are arranged between the fixed outer pipe and the connecting pipe and are positioned in the telescopic cavity, a bucket-shaped cover is arranged at the lower end of the fixed outer pipe, sound-absorbing sponge covers are arranged at the outer parts of the fixed outer pipe and the bucket-shaped cover, and buffer inner pads are arranged in the fixed outer pipe and the bucket-shaped cover. According to the utility model, the sound absorption and shock absorption structure is added to the outer part of the steel drill of the rock drill, so that the noise reduction function of the rock drill is realized.

Description

Noise reduction type rock drill for mining

Technical Field

The utility model relates to the technical field of rock drills, in particular to a noise-reduction type rock drill for mining.

Background

Rock drill is a tool used for direct rock production. It drills blastholes in the rock formation to place explosives to blast the rock, thereby completing rock or other stone works. In addition, rock drills may be used instead as disrupters for breaking hard layers of concrete or the like. The power sources of the rock drill can be divided into four types of pneumatic rock drill, internal combustion rock drill, electric rock drill and hydraulic rock drill.

When the impact mechanism of the rock drill returns, the drill rod mechanism forces the drill rod to rotate by an angle, so that the drill rod changes position to continuously drill the rock. The rock drill is characterized in that the rock drill is provided with a shell, a steel drill rod is arranged on the shell, the shell is provided with a dust discharging mechanism, the dust discharging mechanism is arranged on the shell, and the dust discharging mechanism is arranged on the shell.

Disclosure of Invention

(one) solving the technical problems

The utility model provides a noise reduction type rock drill for mining, aiming at overcoming the defects of the prior art, and solving the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rock drill for noise reduction type mining, includes machine shell and drill rod, the outside lower extreme of machine shell is provided with the drill rod, the connecting pipe is installed through screw-thread fit to the outside of machine shell lower extreme, the outside of connecting pipe is provided with flexible chamber, the outside lower extreme slidable mounting of connecting pipe has fixed outer tube, be located the internally mounted in flexible chamber between fixed outer tube and the connecting pipe and have six second damping bumper shock absorbers along annular evenly distributed, the bucket type cover is installed to the lower extreme of fixed outer tube, the sound absorbing sponge cover is all installed to the outside of fixed outer tube and bucket type cover, the buffering inner cushion is all installed to the inside of fixed outer tube and bucket type cover.

Preferably, a fixing frame is installed at the upper end of the machine shell, and the fixing frame is fixedly connected with the machine shell.

Preferably, the inside rotation of mount upper end is installed the dead lever, the outside left and right sides of dead lever is all fixed mounting has the fixed plate, and the fixed plate is used for fixed first damping bumper shock absorber.

Preferably, first damping shock absorbers are arranged on the left side and the right side between the fixing plate and the machine shell and positioned outside the fixing rod, and the first damping shock absorbers are used for absorbing the vibration acting force of the fixing rod and the fixing plate.

Preferably, the holding rod is installed to the outside one end of dead lever, and holding rod and dead lever fixed connection, and the holding rod is used for handheld.

Preferably, the sponge buffer cushion is arranged on the left side and the right side of the outer portion of the holding rod, and is fixedly connected with the holding rod, and the sponge buffer cushion plays a role in damping when being held.

(III) beneficial effects

Compared with the prior art, the utility model provides the noise reduction type rock drill for mining, which has the following beneficial effects:

1. when drill rod and rock mass are excavated, the rock fragments that will hit the fly are kept apart through the buffering inner cushion, play the noise that the absorption vibration produced through inhaling the sound sponge cover, simultaneously, absorb the vibrating effort that the bucket type cover received through the second damping bumper shock absorber to realized the noise reduction effect, solved the problem that produces noise injury user in the use of current rock drill among the background art.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a perspective view showing a state in which a connection pipe is separated from a machine housing according to the present utility model;

fig. 3 is a cross-sectional view of the connecting tube and the fixed outer tube of the present utility model.

In the figure: 1. a machine housing; 2. a fixing frame; 3. a fixed rod; 4. a grip; 5. a fixing plate; 6. a first damping shock absorber; 7. a connecting pipe; 8. steel drill rod; 9. a telescopic chamber; 10. fixing the outer tube; 11. a second damping vibration absorber; 12. a sound absorbing sponge cover; 13. a bucket cover; 14. and buffering the inner pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a technical scheme, referring to fig. 1, 2 and 3, of a rock drill for noise reduction type mining, which comprises a machine shell 1 and a steel drill 8, wherein the steel drill 8 is arranged at the lower end of the outer part of the machine shell 1, a connecting pipe 7 is arranged at the outer part of the lower end of the machine shell 1 through threaded fit, a telescopic cavity 9 is arranged at the outer part of the connecting pipe 7, a fixed outer pipe 10 is slidably arranged at the lower end of the outer part of the connecting pipe 7, six second damping shock absorbers 11 which are uniformly distributed along the ring shape are arranged between the fixed outer pipe 10 and the connecting pipe 7 and are positioned in the telescopic cavity 9, a bucket-shaped cover 13 is arranged at the lower end of the fixed outer pipe 10, sound absorbing sponge covers 12 are arranged at the outer parts of the fixed outer pipe 10 and the bucket-shaped cover 13, and a buffering inner pad 14 is arranged inside the fixed outer pipe 10 and the bucket-shaped cover 13.

When the damping device is used, when the steel drill 8 is used for cutting a rock body, the impact rock fragments are isolated through the buffering inner cushion 14, noise generated by vibration is absorbed through the sound absorption sponge cover 12, meanwhile, the vibration acting force borne by the bucket cover 13 is absorbed through the second damping shock absorber 11, and therefore the noise reduction effect is achieved. It should be noted that, for the sake of saving the space, the innovative elements of the present patent are highlighted, and the present scheme is based on the existing rock drill, and the improvement of the non-rock drilling and driving related structures is performed, such as the steel drill 8 and other conventional devices, which are not described in the present patent.

Referring to fig. 1 and 2, a fixing frame 2 is mounted at an upper end of a machine housing 1, and the fixing frame 2 is fixedly connected with the machine housing 1.

Referring to fig. 1 and 2, a fixing rod 3 is rotatably mounted in the upper end of the fixing frame 2, fixing plates 5 are fixedly mounted on the left and right sides of the outer portion of the fixing rod 3, and the fixing plates 5 are used for fixing a first damping shock absorber 6.

Referring to fig. 1 and 2, first damping dampers 6 are mounted on both left and right sides of the outer portion of the fixing rod 3 between the fixing plate 5 and the machine housing 1, and the first damping dampers 6 absorb the vibration force of the fixing rod 3 and the fixing plate 5.

Referring to fig. 1 and 2, a holding rod 4 is mounted at one end of the outer portion of the fixed rod 3, and the holding rod 4 is fixedly connected to the fixed rod 3, and the holding rod 4 is used for being held by a hand.

Referring to fig. 1 and 2, sponge cushion pads are mounted on the left and right sides of the outer portion of the grip lever 4, and are fixedly connected with the grip lever 4, and play a role in damping vibration during holding.

The working principle of the device is as follows: when using the rock drill, the hand is held in the outside of holding rod 4, the machine takes place the vibration, the vibration is through the shock attenuation of first damping bumper shock absorber 6 to isolated rock drill machine shell 1 transmits the effort for holding rod 4, play shock attenuation cushioning effect, reduce the injury that the vibration brought to the user, when drill rod 8 and rock mass are excavated, keep apart the rock fragment that will hit through buffering inner pad 14, play the noise that absorbs the vibration and produce through inhaling the sound sponge cover 12, simultaneously, absorb the vibration effort that bucket type cover 13 received through second damping bumper shock absorber 11, thereby realized the noise reduction effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a rock drill for mining of making an uproar falls, includes machine housing (1) and drill rod (8), the outside lower extreme of machine housing (1) is provided with drill rod (8), its characterized in that: the outside of machine shell (1) lower extreme is installed connecting pipe (7) through screw-thread fit, the outside of connecting pipe (7) is provided with flexible chamber (9), the outside lower extreme slidable mounting of connecting pipe (7) has fixed outer tube (10), be located six second damping bumper shock absorber (11) of annular evenly distributed along flexible chamber (9) between fixed outer tube (10) and connecting pipe (7), bucket cover (13) are installed to the lower extreme of fixed outer tube (10), inhale sound sponge cover (12) are all installed to the outside of fixed outer tube (10) and bucket cover (13), cushion (14) are all installed to the inside of fixed outer tube (10) and bucket cover (13).

2. A noise reducing rock drill for mining according to claim 1, wherein: the upper end of the machine shell (1) is provided with a fixing frame (2), and the fixing frame (2) is fixedly connected with the machine shell (1).

3. A noise reducing rock drill for mining according to claim 2, wherein: the fixing frame is characterized in that a fixing rod (3) is rotatably arranged in the upper end of the fixing frame (2), and fixing plates (5) are fixedly arranged on the left side and the right side of the outer portion of the fixing rod (3).

4. A noise reducing rock drill for mining according to claim 3, wherein: the left side and the right side between the fixing plate (5) and the machine shell (1) and positioned outside the fixing rod (3) are respectively provided with a first damping shock absorber (6).

5. A noise reducing rock drill for mining according to claim 4, wherein: the holding rod (4) is installed to the outside one end of dead lever (3), and holding rod (4) and dead lever (3) fixed connection.

6. A noise reducing rock drill for mining according to claim 5, wherein: the left side and the right side of the outer portion of the holding rod (4) are provided with sponge cushion pads, and the sponge cushion pads are fixedly connected with the holding rod (4).