CN210621809U

CN210621809U - Digging nozzle device of high-frequency breaking hammer

Info

Publication number: CN210621809U
Application number: CN201921598069.3U
Authority: CN
Inventors: 田亚宾; 任兴涛
Original assignee: Yantai Tiandi Construction Machinery Co Ltd
Current assignee: Yantai Tiandi Construction Machinery Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-26
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses an excavation mouth device of high frequency quartering hammer, including outer mounting bracket, power rod and drill rod, the drill rod is fixed at the power rod lower extreme, the power rod is located the mounting bracket, be equipped with the guide cylinder bottom the mounting bracket, the power rod cartridge is in the guide cylinder and rather than sliding connection, be equipped with the fixed slot in power rod both sides, fixed slot and outer mounting bracket inner wall fixed connection, one side that the fixed slot is towards the power rod is open structure, be equipped with vertical slide bar in the fixed slot, the cover is equipped with the slide on the slide bar, slide and power rod integrated into one piece, be connected with power spring at the slide top surface, power spring suit is in the slide bar outside, power spring top and the top surface butt joint in the fixed slot; this device is through setting up the overlap joint projecting pole in power pole both sides, and it is balanced enough to guarantee the atress in power pole both sides, avoids the one-way atress of power pole to take place to incline, through power spring's recoil power drive work, and the effect is pushed down to the positive direction relatively, speed and strength when can improving the impact improve and act on efficiency.

Description

Digging nozzle device of high-frequency breaking hammer

Technical Field

The utility model relates to a quartering hammer specifically is a digging nozzle device of high frequency quartering hammer.

Background

The breaking hammer has become an important work tool for excavators; in the case of using a high-frequency vibration source as a mining and excavating work, one of the most directly consumed consumable materials is an excavating nozzle, so that the cost of using the equipment is directly reflected on the excavating nozzle.

Chinese patent publication No. CN208009520U proposes a digging nozzle device of a high-frequency breaking hammer, which adopts a structure convenient for replacement, and can perform quick replacement on a damaged digging nozzle, but does not solve the practical problem.

Chinese patent publication No. CN108487033A proposes a breaking hammer, which has the same principle as most breaking hammers in the prior art, and has the problems that the impact rod is stressed in one direction, and the impact rod is deviated in the lifting process due to uneven stress, so that the efficiency is reduced, and the damage to the excavating nozzle is also caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digging nozzle device of high frequency quartering hammer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a digging nozzle device of a high-frequency breaking hammer comprises an outer mounting frame, a power rod and a drill rod, wherein the drill rod is fixed at the lower end of the power rod, the power rod is positioned in the mounting frame, a guide cylinder is arranged at the bottom of the mounting frame, the power rod is inserted in the guide cylinder and is in sliding connection with the guide cylinder, fixing grooves are formed in two sides of the power rod and are fixedly connected with the inner wall of the outer mounting frame, one side, facing the power rod, of each fixing groove is of an open structure, a vertical sliding rod is arranged in each fixing groove, a sliding plate is sleeved on each sliding rod and is integrally formed with the power rod, a power spring is connected to the top surface of each sliding plate, the power spring is sleeved on the; the two sides of the top of the power rod are provided with lap joint convex rods, and the extension directions of the lap joint convex rods on the two sides of the power rod are opposite; two outer mounting brackets are provided with two driving motors, the output ends of the driving motors are connected with a driving disc through driving shafts, and the inner side surfaces of the driving discs are provided with hammer blocks.

The hammer block is provided with an arc surface; the inner wall of the fixed groove is provided with a vertical sliding groove, and the front end of the sliding block is positioned in the sliding groove and is in sliding connection with the sliding groove; still be equipped with buffer spring in the fixed slot, buffer spring cover is located the slide below, and buffer spring suit is outside the slide bar, and buffer spring bottom and fixed connection of bottom surface in the fixed slot leave the clearance between buffer spring top and the slide.

As the preferred scheme of the utility model: a limiting plate is arranged in the outer mounting frame and located between the driving disc and the power rod, a vertical limiting groove is formed in the limiting plate, and the lap joint protruding rod is located in the limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that: this device is through setting up the overlap joint projecting pole in power pole both sides, and it is balanced enough to guarantee the atress in power pole both sides, avoids the one-way atress of power pole to take place to slope to also reduced the damage of front end power mouth, through power spring's recoil force drive work, the effect is pushed down to the positive direction relatively, speed and strength when can improving the impact improve and act on efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a perspective view of the upper end of the power rod of the present invention.

In the figure, 1-an external mounting frame, 2-a driving motor, 3-a guide cylinder, 4-a drill rod, 5-a power rod, 6-a fixed groove, 7-a sliding plate, 8-a sliding rod, 9-a power spring, 10-a buffer spring, 11-a sliding groove, 12-a lap joint convex rod, 13-a driving plate, 14-a driving shaft, 15-a hammer block, 16-a limiting plate and 17-a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, an excavating nozzle device of a high-frequency breaking hammer comprises an outer mounting frame 1, a power rod 5 and a drill rod 4, wherein the drill rod 4 is fixed at the lower end of the power rod 5, the power rod 5 is positioned in the mounting frame, a guide cylinder 3 is arranged at the bottom of the mounting frame, the power rod 5 is inserted in the guide cylinder 3 and is in sliding connection with the guide cylinder 3, fixing grooves 6 are arranged at two sides of the power rod 5, the fixing grooves 6 are fixedly connected with the inner wall of the outer mounting frame 1, one side of the fixing grooves 6 facing the power rod 5 is of an open structure, vertical sliding rods 8 are arranged in the fixing grooves 6, sliding plates 7 are sleeved on the sliding rods 8, the sliding plates 7 and the power rod 5 are integrally formed, power springs 9 are connected to the top surfaces of the sliding plates 7, the power springs 9 are sleeved outside the sliding rods 8, the tops of the power springs 9 are in butt joint with the top surfaces in the fixing grooves 6, under the action of the power spring 9, the power rod 5 can rapidly move downwards, so that the drill rod 4 is driven to move downwards to perform crushing impact; the two sides of the top of the power rod 5 are provided with overlapping convex rods 12, the overlapping convex rods 12 are used for receiving the lifting force to drive the power rod 5 to ascend, and specifically, the extending directions of the overlapping convex rods 12 on the two sides of the power rod 5 are opposite; two are equipped with two driving motor 2 at outer mounting bracket 1, driving motor 2's output is connected with driving-disc 13 through drive shaft 14, be equipped with hammer block 15 at driving-disc 13 medial surface, in driving-disc 13 rotation in-process, hammer block 15 from overlap joint nose bar 12 below rebound and overlap joint nose bar 12 butt joint, thereby give the power of 12 rebound of overlap joint nose bar, and the setting of two overlap joint nose bars 12, can guarantee that 5 both sides atress of power rod are balanced, avoid the one-way atress of power rod 5 to take place the slope.

Specifically, the hammer block 15 has an arc surface, and can naturally separate from the overlapping convex rod 12 in the rotating process, so that stress breakage is avoided, and long-term use is ensured.

And simultaneously, be equipped with vertical spout 11 on the 6 inner walls of fixed slot, the sliding block front end is located spout 11 and rather than sliding connection, can lead the sliding block when power rod 5 carries out the removal of vertical direction, and then has further avoided power rod 5 to take place the skew.

Still be equipped with buffer spring 10 in the fixed slot 6, buffer spring 10 cover is located slide 7 below, and buffer spring 10 suit is outside at slide bar 8, and buffer spring 10 bottom and fixed slot 6 bottom fixed connection leave the clearance between buffer spring 10 top and the slide 7, when guaranteeing the impact force, avoid slide 7 excessively to descend, guarantee equipment safety.

Example 2:

referring to fig. 3, on the basis of embodiment 1, it is equipped with limiting plate 16 that limiting plate 16 is located between driving-disc 13 and power rod 5 in the outer mounting bracket 1, has seted up vertical spacing groove 17 on limiting plate 16, overlap joint nose bar 12 is located spacing groove 17, through limiting plate 16's setting, has further avoided the excessive lift of power rod 5, has guaranteed equipment safety.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a dig mouth device of high frequency quartering hammer, including outer mounting bracket (1), power rod (5) and drill rod (4), drill rod (4) are fixed at power rod (5) lower extreme, power rod (5) are located the mounting bracket, be equipped with guide cylinder (3) bottom the mounting bracket, power rod (5) cartridge is in guide cylinder (3) and rather than sliding connection, a serial communication port, be equipped with fixed slot (6) in power rod (5) both sides, fixed slot (6) and outer mounting bracket (1) inner wall fixed connection, one side that fixed slot (6) are towards power rod (5) is open structure, be equipped with vertical slide bar (8) in fixed slot (6), slide (7) are overlapped on slide bar (8), slide (7) and power rod (5) integrated into one piece, be connected with power spring (9) at slide bar (7) top surface, power spring (9) suit is in the slide bar (8) outside, the top of the power spring (9) is butted with the inner top surface of the fixed groove (6); the two sides of the top of the power rod (5) are provided with lapping convex rods (12), and the lapping convex rods (12) on the two sides of the power rod (5) have opposite extending directions; two of the outer mounting frames (1) are provided with two driving motors (2), the output ends of the driving motors (2) are connected with a driving disc (13) through a driving shaft (14), and the inner side surface of the driving disc (13) is provided with a hammer block (15).

2. The excavating nozzle assembly of a high-frequency breaking hammer according to claim 1 wherein said block (15) has a circular arc surface.

3. The apparatus of claim 1, wherein the fixing groove (6) is provided with a vertical sliding groove (11) on the inner wall, and the front end of the sliding block is located in the sliding groove (11) and is slidably connected with the sliding groove.

4. The excavating nozzle device of a high-frequency breaking hammer according to claim 1, 2 or 3, characterized in that a buffer spring (10) is further arranged in the fixing groove (6), the buffer spring (10) is sleeved under the sliding plate (7), the buffer spring (10) is sleeved outside the sliding rod (8), the bottom of the buffer spring (10) is fixedly connected with the inner bottom surface of the fixing groove (6), and a gap is reserved between the top of the buffer spring (10) and the sliding plate (7).

5. The excavating nozzle device of the high-frequency breaking hammer according to claim 1, 2 or 3, wherein a limiting plate (16) is arranged in the outer mounting frame (1), the limiting plate (16) is located between the driving plate (13) and the power rod (5), a vertical limiting groove (17) is formed in the limiting plate (16), and the overlapping convex rod (12) is located in the limiting groove (17).