CN203525753U - Novel hydraulic breaking hammer - Google Patents

Novel hydraulic breaking hammer Download PDF

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Publication number
CN203525753U
CN203525753U CN201320702033.1U CN201320702033U CN203525753U CN 203525753 U CN203525753 U CN 203525753U CN 201320702033 U CN201320702033 U CN 201320702033U CN 203525753 U CN203525753 U CN 203525753U
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CN
China
Prior art keywords
cylinder
piston
medium cylinder
breaking hammer
oil
Prior art date
Application number
CN201320702033.1U
Other languages
Chinese (zh)
Inventor
刘建华
Original Assignee
刘建华
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 刘建华 filed Critical 刘建华
Priority to CN201320702033.1U priority Critical patent/CN203525753U/en
Application granted granted Critical
Publication of CN203525753U publication Critical patent/CN203525753U/en

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Abstract

The utility model discloses a novel hydraulic breaking hammer, and relates to a novel impact-vibration tool. A medium cylinder body is arranged under an upper cylinder body, and a piston speed reducer is arranged in the upper cylinder body; a piston is arranged in the medium cylinder body, the two ends of the piston are in tight sliding match with the medium cylinder body; a piston type accumulator is arranged on the medium cylinder body, and a lower cylinder body is arranged under the medium cylinder body; a drill rod is mounted in the lower cylinder body; a reversing valve and an oil seal fixer which are mutually matched are mounted in the upper oil cavity of the medium cylinder body, buffer devices are arranged at the two heads of the reversing valve, and a guide sleeve is arranged between the reversing valve and the oil seal fixer. The novel hydraulic breaking hammer solves the problems that the structure is complicated, position requirements are high, hydraulic oil temperature is increased, the plane of the upper cylinder body in work is collided, the whole bolts are stressed unevenly, piston positioning is poor, the scuffing of a cylinder bore is easy to happen and the like in the conventional structure; the service life of the breaking hammer is prolonged; besides, the piston type accumulator is designed, therefore, the piston type accumulator is long in service life and low in failure rate, the kinetic energy generated from the upward movement of the piston can be changed into kinetic energy for moving downwards, and energy is saved.

Description

A kind of Novel hydraulic crushing hammer

technical field:

The utility model relates to a kind of Novel hydraulic crushing hammer, belongs to a kind of novel impact vibratory tool.

background technology:

Hydraulic breaking hammer is a kind of widely used engineering machinery accessory, is common in the industries such as mine, highway engineering, dismounting, can also change specific drilling tool for occasions such as riveted joint, piling, compactings.

The structure of hydraulic hammer movement is upper cylinder body, middle cylinder body, lower cylinder body, drill steel, piston, reversal valve etc., and agent structure has housing outward, is connected, and is connected on main frame by bearing pin by bolt, vibration reducing rubber plate etc. with main body.There is guiding middle cylinder body lower end, closely cooperates with piston, wear-resisting.

Hydraulic hammer movement is upper, middle and lower cylinder bodies, by whole-body bolt, be connected into one, piston hole one side and arranged side by side the processing in commutation valve opening (or being connected as a single entity with bolt and middle cylinder body after processing separately) commutation valve opening of piston hole at middle cylinder body have spool, valve pocket, valve gap, piston and middle inferior part of the cylinder block have close-fitting location, the delocalization of piston top.This kind of structure is due to the requirement of producing, and the valve opening that will commutate design is less, and hydraulic oil resistance is large, and oil temperature raises obviously.Spool and valve pocket, valve gap, upper cylinder body constantly hit easily and damage at work, leakage of oil.Piston top is location not, vibrates greatly, easily scuffing of cylinder bore in the course of work.And structure is more complicated, difficulty of processing is large, and cost is high.

In addition, middle cylinder body one side with bolt fixedly bladder type hydropneumatic accumulator communicate with hydraulic oil, complex structure, leather bag is fragile.

utility model content:

For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of Novel hydraulic crushing hammer.

Hydraulic breaking hammer of the present utility model, it comprises upper cylinder body 1, middle cylinder body 2, lower cylinder body 3, piston 4, reversal valve 5, drill steel 6, fairlead 7 and oil sealing fixator 8, the below of upper cylinder body 1 is provided with middle cylinder body 2, in upper cylinder body 1, be provided with piston deceleration device, the inside of middle cylinder body 2 is provided with piston 4, piston 4 two ends and middle cylinder body 2 are closely slidably matched, middle cylinder body 2 is provided with piston accumulator 4-1, the below of middle cylinder body 2 is provided with lower cylinder body 3, drill steel 6 is installed in lower cylinder body 3, the upper oil cavitie of middle cylinder body 2 is provided with reversal valve 5 and the oil sealing fixator 8 cooperatively interacting, two of reversal valve 5 is provided with buffer unit, and be provided with fairlead 7 between reversal valve 5 and oil sealing fixator 8.

The beneficial effects of the utility model: it can overcome the drawback of prior art, have avoided complex structure in existing structure, position degree requirement is high, hydraulic oil temperature rise is large, reversal valve and upper cylinder body collision in work, fragile, whole-body bolt unbalance stress, the easy problem such as scuffing of cylinder bore, has extended service life of quartering hammer, be designed with piston type energy storage equipment simultaneously, simple in structure, the life-span is long, failure rate is low, the kinetic energy that piston can be made progress becomes downward kinetic energy, realizes energy-conservation.

accompanying drawing explanation:

For ease of explanation, the utility model is described in detail by following concrete enforcement and accompanying drawing.

Fig. 1 is the utility model structural representation;

Fig. 2 is sectional structure schematic diagram of the present utility model.

1-upper cylinder body; Cylinder body in 2-; 3-lower cylinder body; 4-piston; 5-reversal valve; 6-drill steel; 7-fairlead; 8-oil sealing fixator;

the specific embodiment:

As shown in Figure 1-2, this specific embodiment is by the following technical solutions: it comprises upper cylinder body 1, middle cylinder body 2, lower cylinder body 3, piston 4, reversal valve 5, drill steel 6, fairlead 7 and oil sealing fixator 8, the below of upper cylinder body 1 is provided with middle cylinder body 2, in upper cylinder body 1, be provided with piston deceleration device, the inside of middle cylinder body 2 is provided with piston 4, piston 4 two ends and middle cylinder body 2 are closely slidably matched, middle cylinder body 2 is provided with piston accumulator 4-1, the below of middle cylinder body 2 is provided with lower cylinder body 3, drill steel 6 is installed in lower cylinder body 3, the upper oil cavitie of middle cylinder body 2 is provided with reversal valve 5 and the oil sealing fixator 8 cooperatively interacting, two of reversal valve 5 is provided with buffer unit, and be provided with fairlead 7 between reversal valve 5 and oil sealing fixator 8.

The operation principle of this specific embodiment is: work starts, commutation chamber C is connected with oil back chamber D, because commutation chamber C communicates with the second commutation chamber A1, therefore reversal valve 5 is stressed upwards, upper oil cavitie A2 communicates with oil return pipe A, low pressure, lower oil cavitie A4 is high pressure always, piston 4 is up, piston 4 chamber C and the oil back chamber D isolation that makes to commutate, commutation chamber C communicates with lower oil cavitie A4 and the second commutation chamber A1, become high pressure, reversal valve 5 is comprehensive stressed descending, upper oil cavitie A2 becomes with oil inlet pipe B and communicates into high pressure, piston 4 is subject to hydraulic pressure comprehensively for downwards, piston 4 forms velocity-reducing chamber A5 with upper cylinder body 1 simultaneously, in the up process of piston 4, pressure sharply increases, piston 4 has cushioning effect while being up to terminal, energy storage piston formula accumulator 4-1, two power make piston 4 stop making progress and moving downward altogether, at this process velocity-reducing chamber A5, having reclaimed the up energy of piston 4 becomes the descending power of piston 4 and realizes energy-conservation object.

Piston 4 is descending, and commutation chamber C and oil back chamber D and the second commutation chamber A1 communicate and make reversal valve 5 go upward to upper oil cavitie A2 and be communicated with and become low pressure with oil return pipe A, and up beginning of piston 4 circulated.

More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (1)

1. a Novel hydraulic crushing hammer, it is characterized in that: it comprises upper cylinder body (1), middle cylinder body (2), lower cylinder body (3), piston (4), reversal valve (5), drill steel (6), fairlead (7) and oil sealing fixator (8), the below of upper cylinder body (1) is provided with middle cylinder body (2), upper cylinder body is provided with piston deceleration device in (1), the inside of middle cylinder body (2) is provided with piston (4), piston (4) two ends and middle cylinder body (2) are closely slidably matched, middle cylinder body (2) is provided with piston accumulator (4-1), the below of middle cylinder body (2) is provided with lower cylinder body (3), drill steel (6) is installed in lower cylinder body (3), the upper oil cavitie of middle cylinder body (2) is provided with reversal valve (5) and the oil sealing fixator (8) cooperatively interacting, two of reversal valve (5) is provided with buffer unit, and be provided with fairlead (7) between reversal valve (5) and oil sealing fixator (8).
CN201320702033.1U 2013-11-08 2013-11-08 Novel hydraulic breaking hammer CN203525753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320702033.1U CN203525753U (en) 2013-11-08 2013-11-08 Novel hydraulic breaking hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320702033.1U CN203525753U (en) 2013-11-08 2013-11-08 Novel hydraulic breaking hammer

Publications (1)

Publication Number Publication Date
CN203525753U true CN203525753U (en) 2014-04-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320702033.1U CN203525753U (en) 2013-11-08 2013-11-08 Novel hydraulic breaking hammer

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CN (1) CN203525753U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104005329A (en) * 2014-06-10 2014-08-27 中铁科工集团有限公司 Constant pressure compensation system and method for vibration source
CN107938740A (en) * 2016-05-31 2018-04-20 泉州泉港灿鹏机械设备有限公司 A kind of application method of quartering hammer
CN108487033A (en) * 2016-08-16 2018-09-04 长泰县石艺建材有限公司 A kind of quartering hammer
CN109208450A (en) * 2018-10-31 2019-01-15 李娜 A kind of multifunctional water road crushing device
CN109707694A (en) * 2019-03-01 2019-05-03 山东天瑞重工有限公司 A kind of hydraulic breaking hammer

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104005329A (en) * 2014-06-10 2014-08-27 中铁科工集团有限公司 Constant pressure compensation system and method for vibration source
CN104005329B (en) * 2014-06-10 2016-01-20 中铁工程机械研究设计院有限公司 A kind of vibration source constant-pressure compensation system
CN107938740A (en) * 2016-05-31 2018-04-20 泉州泉港灿鹏机械设备有限公司 A kind of application method of quartering hammer
CN107938740B (en) * 2016-05-31 2020-05-22 浙江岭德重工有限公司 Use method of breaking hammer
CN108487033A (en) * 2016-08-16 2018-09-04 长泰县石艺建材有限公司 A kind of quartering hammer
CN109208450A (en) * 2018-10-31 2019-01-15 李娜 A kind of multifunctional water road crushing device
CN109707694A (en) * 2019-03-01 2019-05-03 山东天瑞重工有限公司 A kind of hydraulic breaking hammer
CN109707694B (en) * 2019-03-01 2019-10-18 山东天瑞重工有限公司 A kind of hydraulic breaking hammer

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140409

Termination date: 20171108

CF01 Termination of patent right due to non-payment of annual fee