CN216553754U

CN216553754U - Hydraulic down-the-hole hammer

Info

Publication number: CN216553754U
Application number: CN202123372646.7U
Authority: CN
Inventors: 邱建勋; 邱雄飞; 李牧
Original assignee: Hebei Qiushuo Machinery Co ltd
Current assignee: Hebei Qiushuo Machinery Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a hydraulic down-the-hole hammer which comprises a protective cylinder, wherein a connecting seat is formed at the upper end of the protective cylinder, a hydraulic hammer core is assembled in the protective cylinder, a hammer rod is arranged at the lower end of the hydraulic hammer core and is connected with a hammer head, a gas blowing hole is formed in the end surface of the lower end of the hammer head, and a gas pipe is communicated with the gas blowing hole through a gas pipe connector arranged at the hammer head. The utility model improves the efficiency of breaking rocks, greatly reduces the running cost of breaking rocks, increases the stability of the equipment in the running process, and can increase or reduce the downward knocking force of the equipment according to the requirements. The utility model is suitable for the technical field of basic engineering equipment.

Description

Hydraulic down-the-hole hammer

Technical Field

The utility model belongs to the technical field of building construction equipment, and particularly relates to a hydraulic down-the-hole hammer.

Background

At present, in the process of building construction, hard soil layers are often encountered, the soil layers generally contain hard structures such as rocks, and in the operations such as drilling, the hard structures need to be broken, so that the subsequent construction operation can be ensured. The existing conventional method is that a winch is adopted to lift a hammer body to a certain height, and the purpose of crushing is achieved through the free falling body of the hammer body.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hydraulic down-the-hole hammer which is used for improving the efficiency of crushing a hard soil layer, increasing the stability of equipment in the operation process and increasing or reducing the downward knocking force of the equipment according to requirements.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a fluid pressure type down-the-hole hammer, includes that the upper end is constructed with a section of thick bamboo that protects of connecting seat, in protect a section of thick bamboo and be equipped with hydraulic hammer core, in the lower extreme of hydraulic hammer core is provided with the hammer stem, the hammer stem is connected with a tup, seted up the gas hole on the tup lower extreme terminal surface, the trachea is through setting up in the tracheal joint and the gas hole intercommunication of tup department.

Furthermore, a buffer pad is arranged between the lower end of the hammer rod and the hammer head.

Furthermore, a hammering sliding block is assembled at the lower end of the cushion pad in the protective cylinder, the air pipe joint is constructed on the hammering sliding block, and an air passage communicated with an air blowing hole in the hammer head is constructed on the hammering sliding block.

Furthermore, a sliding sleeve is installed at the lower end of the protective cylinder, and the lower end of the hammer head extends out of the sliding sleeve.

Furthermore, the connecting seat is connected with the lower end of a drill rod of the tamper, and the drill rod is connected with the power head through a rotary joint.

Furthermore, the connecting seat is connected with one end of a steel wire rope on the tamper, the steel wire rope is wound on a winch, and the winch is installed on the tamper.

Furthermore, a support is installed at the front end of the tamper, a guide wheel is installed at the upper end of the support, the end of a steel wire rope extending out of the winch through the guide wheel vertically extends downwards, and the end of the steel wire rope is connected with the connecting seat.

Furthermore, the hydraulic hammer core is a hammer core of the hydraulic breaking hammer.

Due to the adoption of the structure, compared with the prior art, the utility model has the technical progress that: the hydraulic hammer core in the pile casing drives the hammer rod to knock downwards under the action of hydraulic oil, so that the hammer rod drives the hammer head to knock hard soil layers or stones and the like, and the hydraulic oil is in a closed circulating state, so that the hammer head can knock stably, and the energy consumption is low; the adjustment of the knocking force of the hammer head is realized by adjusting the oil pressure of hydraulic oil, so that the crushing efficiency is greatly improved; the hammer head is provided with the air blowing holes, so that high-pressure air is blown out through the air blowing holes in the hammer head after passing through the air pipe, the broken powder is blown away from a knocking action surface, the purpose of blowing broken slag is achieved, the influence of the broken slag on the amplitude of the hammer head knocking is avoided, the air blowing effect is achieved, the hammer head is cooled, the working environment of the hammer head is improved, and the service life of the hammer head is prolonged; in conclusion, the utility model improves the efficiency of crushing the hard soil layer, increases the stability of the equipment in the operation process, and can increase or reduce the downward knocking force of the equipment according to the requirements.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of the connection of the embodiment of the present invention to a tamper.

Labeling components: 1-protective cylinder, 2-connecting seat, 3-hydraulic hammer core, 4-hammer rod, 5-buffer pad, 6-hammering slide block, 7-sliding sleeve, 8-nut, 9-hammer head, 10-air pipe joint, 11-rammer, 12-bracket, 13-guide wheel, 14-winch and 15-steel wire rope.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

The utility model discloses a hydraulic down-the-hole hammer, which comprises a protective cylinder 1, a hydraulic hammer core 3 and a hammer head 9, wherein a connecting seat 2 is formed at the upper end of the protective cylinder 1 and is used for connecting the protective cylinder 1 with other equipment, the hydraulic hammer core 3 is assembled in the protective cylinder 1, a hammer rod 4 is installed at the lower end of the hydraulic hammer core 3, the hammer head 9 is installed at the lower end of the hammer rod 4, a blow hole is formed in the end face of the lower end of the hammer head 9, and an air pipe is communicated with the blow hole through an air pipe joint 10 arranged at the hammer head 9. The working principle and the advantages of the utility model are as follows: the hydraulic hammer core 3 in the pile casing 1 drives the hammer rod 4 to knock downwards under the action of hydraulic oil, so that the hammer rod 4 drives the hammer head 9 to knock hard soil layers or stones and the like, and the hydraulic oil is in a closed circulating state, so that the hammer head 9 can knock stably, and meanwhile, the consumption of energy is low; the adjustment of the knocking force of the hammer head 9 is realized by adjusting the oil pressure of hydraulic oil, so that the crushing efficiency is greatly improved; the purpose of arranging the air blowing holes on the hammer head 9 is that high-pressure air is blown out through the air blowing holes on the hammer head 9 after passing through the air pipe, so that the broken powder is blown away from a knocking action surface, the purpose of blowing off broken slag is realized, the influence of the broken slag on the amplitude of knocking of the hammer head 9 is avoided, the air blowing effect of cooling the hammer head 9 is achieved, the working environment of the hammer head 9 is improved, and the service life of the hammer head is prolonged; in conclusion, the utility model improves the efficiency of crushing the hard soil layer, increases the stability of the equipment in the operation process, and can increase or reduce the downward knocking force of the equipment according to the requirements.

As a preferred embodiment of the present invention, as shown in fig. 1, a cushion 5 is installed between the lower end of the hammer rod 4 and the hammer head 9. A hammering slide block 6 is assembled in the protective sleeve 1 and at the lower end of the cushion pad 5, the air pipe joint 10 is constructed on the hammering slide block 6, and an air passage communicated with an air blowing hole on the hammer head 9 is constructed on the hammering slide block 6. The buffer pad 5 of the present embodiment is used for preventing the hammer rod 4 and the hammering sliding block 6 from being in hard contact with each other, and the service life is prolonged. This embodiment protects a lower extreme of 1 and installs sliding sleeve 7, and sliding sleeve 7 is stretched out to the lower extreme of tup 9, and screw 8 is connected on tup 9, and screw 8 is located sliding sleeve 7's lower extreme department.

As a preferred embodiment of the present invention, the hammer head 9 can operate in a manner of knocking and rotating simultaneously, so that the crushing efficiency is increased, specifically, the connecting seat 2 on the casing 1 is connected with the lower end of the drill rod of the tamper 11, the drill rod is connected with the power head through the rotary joint, and the power head and the rotary joint of the tamper 11 achieve the purpose of driving the drill rod to rotate and displace downwards, so that the hammer head 9 can perform three actions of knocking, descending and rotating synchronously under the action of the hydraulic hammer core 3.

As a preferred embodiment of the present invention, as shown in fig. 2, the connection base 2 of the casing 1 is connected to one end of a wire rope 15 of the tamper 11, the wire rope 15 is wound on a winding machine 14, and the winding machine 14 is mounted on the tamper 11. Wherein, a bracket 12 is arranged at the front end of the tamper 11, a guide wheel 13 is arranged at the upper end of the bracket 12, the end part of a steel wire rope 15 which extends out from a windlass 14 through the guide wheel 13 vertically extends downwards, and the end part of the steel wire rope 15 is connected with the connecting seat 2.

As a preferred embodiment of the present invention, the hydraulic hammer core 3 is a hammer core of a hydraulic breaking hammer, so as to facilitate production, processing, disassembly, assembly and maintenance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A hydraulic down-the-hole hammer is characterized in that: the pneumatic hammer comprises a protective barrel, wherein a connecting seat is constructed at the upper end of the protective barrel, a hydraulic hammer core is assembled in the protective barrel, a hammer rod is arranged at the lower end of the hydraulic hammer core and connected with a hammer head, a blow hole is formed in the end face of the lower end of the hammer head, and an air pipe is communicated with the blow hole through an air pipe joint arranged at the hammer head.

2. A hydraulic down-the-hole hammer as set forth in claim 1, wherein: a buffer cushion is arranged between the lower end of the hammer rod and the hammer head.

3. A hydraulic down-the-hole hammer as set forth in claim 2, wherein: and a hammering sliding block is assembled at the lower end of the cushion pad in the protective cylinder, the air pipe joint is constructed on the hammering sliding block, and an air passage communicated with the air blowing hole in the hammer head is constructed on the hammering sliding block.

4. A hydraulic down-the-hole hammer as set forth in claim 1, wherein: and a sliding sleeve is arranged at the lower end of the protective cylinder, and the lower end of the hammer head extends out of the sliding sleeve.

5. A hydraulic down-the-hole hammer as set forth in claim 1, wherein: the connecting base is connected with the lower end of a drill rod of the tamper, and the drill rod is connected with the power head through a rotary joint.

6. A hydraulic down-the-hole hammer as set forth in claim 1, wherein: the connecting base is connected with one end of a steel wire rope on the tamper, the steel wire rope is wound on a winch, and the winch is installed on the tamper.

7. A hydraulic down-the-hole hammer as set forth in claim 6, wherein: the support is installed at the front end of the tamper, the guide wheel is installed at the upper end of the support, the end portion of the steel wire rope extending out of the winch through the guide wheel vertically extends downwards, and the end portion of the steel wire rope is connected with the connecting seat.

8. A hydraulic down-the-hole hammer as set forth in claim 1, wherein: the hydraulic hammer core is a hammer core of the hydraulic breaking hammer.