CN112482481A - Single-side striking breaking hammer - Google Patents

Single-side striking breaking hammer Download PDF

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Publication number
CN112482481A
CN112482481A CN202011644832.9A CN202011644832A CN112482481A CN 112482481 A CN112482481 A CN 112482481A CN 202011644832 A CN202011644832 A CN 202011644832A CN 112482481 A CN112482481 A CN 112482481A
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CN
China
Prior art keywords
oil cylinder
hole
oil
rod
sleeve
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202011644832.9A
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Chinese (zh)
Inventor
何泽康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202011644832.9A priority Critical patent/CN112482481A/en
Publication of CN112482481A publication Critical patent/CN112482481A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
    • E02F5/305—Arrangements for breaking-up hard ground
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1471—Guiding means other than in the end cap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

The invention discloses a unilateral striking breaking hammer, which belongs to the technical field of engineering mechanical equipment.A connecting plate is respectively provided with two shaft holes, the front end of the connecting plate is fixedly connected with a flange plate, the flange plate is connected with a porous cylinder body through bolts, the porous cylinder body is respectively provided with two through holes, a piston rod is arranged in one through hole, the lower half part of the piston rod and the upper end of the through hole are respectively provided with a first shaft sleeve, the middle of the through hole is respectively provided with a plurality of pin shafts, and the bottom end of the; the upper end of the porous cylinder body and the periphery of the lower half portion of the piston rod are provided with a limiter, the lower end of the limiter is provided with limiter damping rubber, the lower end of the limiter damping rubber is provided with a limiter adjusting oil cylinder, a first oil cylinder sealing guide sleeve is arranged between the lower half portion of the piston rod and an oil cylinder barrel, a nitrogen chamber is arranged on the first oil cylinder sealing guide sleeve, the outer end of the first oil cylinder sealing guide sleeve is provided with an inflation valve, the outer portion of the piston rod is provided with the oil cylinder barrel, the oil cylinder barrel is connected with a hammer iron fixing sleeve through a damping rubber sleeve.

Description

Single-side striking breaking hammer
Technical Field
The invention relates to a unilateral striking breaking hammer, and belongs to the technical field of engineering mechanical equipment.
Background
At present, a hydraulic breaking hammer generally adopts a rectangular cylinder body, a circular hole is formed in the cylinder body, a piston is arranged in the circular hole, a drill rod is arranged below the circular hole, and a nitrogen chamber is arranged at the top end of the upper piston; the working principle is that the upper piston rapidly strikes a drill rod below under the pushing of high-pressure nitrogen, and the drill rod strikes a stone.
Disclosure of Invention
In order to overcome the technical defects, the invention aims to provide a single-side striking breaking hammer, which is convenient to use and has a striking part, a hydraulic part and a mounting part which are independently arranged.
The technical scheme adopted by the invention for solving the technical problems is as follows: the structure of the single-side striking breaking hammer is as follows: two shaft holes are respectively formed in the connecting plate, a flange plate is fixedly connected to the front end of the connecting plate, the flange plate is connected with the porous cylinder body through bolts, the porous cylinder body is respectively provided with two through holes, a piston rod is arranged in one through hole, a first shaft sleeve is arranged on the lower half portion of the piston rod and the upper end of the through hole, a plurality of pin shafts are respectively arranged in the middle of the through hole, and a second shaft sleeve is arranged at; a stopper is arranged at the upper end of the porous cylinder body and the periphery of the lower half part of the piston rod, stopper damping rubber is arranged at the lower end of the stopper damping rubber, a stopper adjusting oil cylinder is arranged at the lower end of the stopper damping rubber, a first oil cylinder sealing guide sleeve is arranged between the lower half part of the piston rod and an oil cylinder barrel, a nitrogen chamber is arranged on the first oil cylinder sealing guide sleeve, an inflation valve is arranged at the outer end of the first oil cylinder sealing guide sleeve, the oil cylinder barrel is arranged at the outer part of the piston rod, the oil cylinder barrel is connected with a hammer iron fixing sleeve through a damping rubber sleeve, a disc-shaped spring is arranged between the top of the hammer iron fixing sleeve and the oil cylinder barrel, a hollow oil cylinder rod is arranged at the upper end of the piston rod, a second oil cylinder sealing guide sleeve is arranged between the upper end of the oil cylinder barrel and the; the top end of the hollow oil cylinder rod is fixedly connected with a cylinder rod cap through a cylinder rod cap fixing bolt, an oil seal is arranged between the bottom end of the cylinder rod cap and the top end of the hollow oil cylinder rod, and an electric control reversing valve is arranged at one side end of the cylinder rod cap and connected with an oil duct; the lower end of the hammer iron fixing sleeve is provided with a hammer iron, and the hammer iron is slidably arranged in a hammer iron guide sleeve; a drill rod is arranged in the other through hole of the multi-hole cylinder body, a hammer iron guide sleeve is arranged at the upper end of the multi-hole cylinder body, the drill rod guide sleeve is arranged at the lower end of the multi-hole cylinder body and fixed through a first pin shaft, and the drill rods are connected in a sliding mode through flat pin irons.
The invention has the beneficial effects that: when the hammer iron is struck, the damping rubber protects the oil cylinder from being impacted, and the striking hammer iron is exposed, so that a hydraulic part is not damaged when the hammer iron is struck.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a side view of the single-side impact breaker of the present invention.
In the drawings
1. The hydraulic oil cylinder comprises a limiter adjusting oil cylinder, 2, a connecting plate, 3, a first shaft sleeve, 4, a shaft hole, 5, a flange plate, 6, an inflation valve, 7, a first oil cylinder sealing guide sleeve, 8, a nitrogen chamber, 9, an oil cylinder barrel, 10, a damping rubber sleeve, 11, a piston rod, 12, a hydraulic oil chamber, 13, an oil channel hole, 14, a second oil cylinder sealing guide sleeve, 15, a hollow oil cylinder rod, 16, an electric control reversing valve, 17, an oil channel, 18, a cylinder rod cap, 19, a cylinder rod cap fixing bolt, 20, an oil seal, 21, a disc spring, 22, a hammer iron fixing sleeve, 23, hammer iron, 24, a hammer iron guide sleeve, 25, a limiter, 26, a limiter damping rubber, 27, flat pin iron, 28, a first pin shaft, 29, a drill rod guide sleeve, 30, a drill rod, 31, a porous cylinder body, 32, a second shaft sleeve, 33 and a pin shaft.
Detailed Description
As shown in fig. 1, the single-side striking breaking hammer has the following structure: two shaft holes 4 are respectively arranged on the connecting plates 2, a flange plate 5 is fixedly connected at the front end of the connecting plates 2, the flange plate 5 is connected with a porous cylinder body 31 through bolts, the porous cylinder body 31 is respectively provided with two through holes, a piston rod 11 is arranged in one through hole, a first shaft sleeve 3 is arranged at the lower half part of the piston rod 11 and the upper end of the through hole, a plurality of pin shafts 33 are respectively arranged in the middle of the through hole, and a second shaft sleeve 32 is arranged at the bottom end; a stopper 25 is arranged at the upper end of the porous cylinder body 31 and the periphery of the lower half part of the piston rod 11, stopper damping rubber 26 is arranged at the lower end of the stopper 25, a stopper adjusting oil cylinder 1 is arranged at the lower end of the stopper damping rubber 26, a first oil cylinder sealing guide sleeve 7 is arranged between the lower half part of the piston rod 11 and an oil cylinder barrel 9, a nitrogen chamber 8 is arranged on the first oil cylinder sealing guide sleeve 7, an inflation valve 6 is arranged at the outer end of the first oil cylinder sealing guide sleeve 7, an oil cylinder barrel 9 is arranged at the outer part of the piston rod 11, the oil cylinder barrel 9 is connected with a hammer iron fixing sleeve 22 through a damping rubber sleeve 10, a disc-shaped spring 21 is arranged between the top of the hammer iron fixing sleeve 22 and the oil cylinder barrel 9, a hollow oil cylinder rod 15 is arranged at the upper end of the piston rod 11, a second oil cylinder sealing guide sleeve 14 is arranged between the upper end of the oil cylinder barrel 9 and, the upper end of the hollow oil cylinder rod 15 is provided with a through hole connecting oil duct 17; the top end of the hollow oil cylinder rod 15 is fixedly connected with a cylinder rod cap 18 through a cylinder rod cap fixing bolt 19, an oil seal 20 is arranged between the bottom end of the cylinder rod cap 18 and the top end of the hollow oil cylinder rod 15, an electric control reversing valve 16 is arranged at one side end of the cylinder rod cap 18, and the electric control reversing valve 16 is connected with an oil duct 17; the lower end of the hammer iron fixing sleeve 22 is provided with a hammer iron 23, and the hammer iron 23 is arranged in a hammer iron guide sleeve 24 in a sliding manner; a drill rod 30 is arranged in the other through hole of the multi-hole cylinder body 31, the upper end of the multi-hole cylinder body 31 is provided with a hammer iron guide sleeve 24, the lower end of the multi-hole cylinder body 31 is provided with a drill rod guide sleeve 29 which is fixed through a first pin shaft 28, and the middle of the drill rod 30 is connected in a sliding mode through a flat pin iron 27.
The middle of the single-side striking breaking hammer is provided with a hydraulic oil cylinder, the outside of the hydraulic oil cylinder is provided with damping rubber, the outside of the damping rubber drives a fixed sleeve, the fixed sleeve drives a hammer iron to ascend and descend, the hydraulic part and the striking part adopt a parallel structure, and the striking hammer iron and a drill rod adopt an exposed series structure.
The specific operation principle of the single-side striking breaking hammer is as follows:
1. description of upward movement: high-pressure oil provided by the oil pump of the excavator enters the oil duct 17 through an oil inlet of the electric control reversing valve 16 (at the moment, the valve rod is positioned at an oil inlet position), the high-pressure oil in the oil duct 17 enters the hydraulic oil chamber 12 through the oil duct hole 13, the high-pressure oil pushes the oil cylinder barrel 9, the hammer iron fixing sleeve 22 and the hammer iron 23 to move upwards to a set distance, and meanwhile, nitrogen in the nitrogen chamber 8 is compressed.
2. Description of downward movement: after the oil cylinder barrel 9 moves to a set distance, an oil inlet of the electric control reversing valve 16 is closed and an oil outlet is opened at the same time, the compressed nitrogen in the nitrogen chamber 8 reversely pushes the oil cylinder barrel 9 to move downwards, the oil cylinder barrel 9 simultaneously drives the hammer iron fixing sleeve 22 and the hammer iron 23 to strike the drill rod 30 downwards, meanwhile, the piston rod 11 extrudes high-pressure oil in the hydraulic oil chamber 12, and the high-pressure oil enters an excavator oil return system through the oil passage hole 13 and an oil discharge port of the electric control reversing valve 16. The above actions are repeated cyclically.
3. When the hammer 23 still does not stop after striking the drill rod, the hammer strikes the top of the stopper 25, and the stopper shock absorption rubber 26 at the lower part of the stopper 25 is compressed to absorb part of the impact force, so that the impact of the hammer 23 on the porous cylinder 31 is avoided.
4. The above motion is repeated continuously.

Claims (1)

1. The utility model provides a unilateral is hit quartering hammer structure does which characterized in that: two shaft holes (4) are respectively arranged on the connecting plate (2), a flange plate (5) is fixedly connected at the front end of the connecting plate (2), the flange plate (5) is connected with a porous cylinder body (31) through bolts, the porous cylinder body (31) is respectively provided with two through holes, a piston rod (11) is arranged in one through hole, a first shaft sleeve (3) is arranged at the lower half part of the piston rod (11) and the upper end of the through hole, a plurality of pin shafts (33) are respectively arranged in the middle of the through hole, and a second shaft sleeve (32) is; a stopper (25) is arranged at the upper end of the porous cylinder body (31) and the periphery of the lower half part of the piston rod (11), stopper damping rubber (26) is arranged at the lower end of the stopper damping rubber (26), a stopper adjusting oil cylinder (1) is arranged at the lower end of the stopper damping rubber (26), an oil cylinder sealing guide sleeve I (7) is arranged between the lower half part of the piston rod (11) and the oil cylinder barrel (9), a nitrogen chamber (8) is arranged on the oil cylinder sealing guide sleeve I (7), an inflation valve (6) is arranged at the outer end of the oil cylinder sealing guide sleeve I (7), the oil cylinder barrel (9) is arranged at the outer part of the piston rod (11), the oil cylinder barrel (9) is connected with a hammer iron fixing sleeve (22) through the damping rubber sleeve (10), a disc-shaped spring (21) is arranged between the top of the hammer iron fixing sleeve (22) and the oil cylinder barrel (9), a hollow oil cylinder rod (15) is arranged at the upper end of the piston rod (11, a hydraulic oil chamber (12) is arranged at the lower end of the second oil cylinder sealing guide sleeve (14), an oil passage hole (13) is arranged at the lower end of the hollow oil cylinder rod (15), and a through hole connecting oil passage (17) is arranged at the upper end of the hollow oil cylinder rod (15); the top end of the hollow oil cylinder rod (15) is fixedly connected with a cylinder rod cap (18) through a cylinder rod cap fixing bolt (19), an oil seal (20) is arranged between the bottom end of the cylinder rod cap (18) and the top end of the hollow oil cylinder rod (15), an electric control reversing valve (16) is arranged at one side end of the cylinder rod cap (18), and the electric control reversing valve (16) is connected with an oil duct (17); the lower end of the hammer iron fixing sleeve (22) is provided with a hammer iron (23), and the hammer iron (23) is slidably arranged in a hammer iron guide sleeve (24); a drill rod (30) is arranged in the other through hole of the multi-hole cylinder body (31), a hammer iron guide sleeve (24) is arranged at the upper end of the multi-hole cylinder body (31), a drill rod guide sleeve (29) is arranged at the lower end of the multi-hole cylinder body (31) and fixed through a first pin shaft (28), and the drill rods (30) are connected in a sliding mode through flat pin irons (27).
CN202011644832.9A 2020-12-24 2020-12-24 Single-side striking breaking hammer Pending CN112482481A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011644832.9A CN112482481A (en) 2020-12-24 2020-12-24 Single-side striking breaking hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011644832.9A CN112482481A (en) 2020-12-24 2020-12-24 Single-side striking breaking hammer

Publications (1)

Publication Number Publication Date
CN112482481A true CN112482481A (en) 2021-03-12

Family

ID=74914518

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011644832.9A Pending CN112482481A (en) 2020-12-24 2020-12-24 Single-side striking breaking hammer

Country Status (1)

Country Link
CN (1) CN112482481A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022217666A1 (en) * 2021-04-12 2022-10-20 何泽康 Single-axis rotation and time-based frequency control breaking hammer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022217666A1 (en) * 2021-04-12 2022-10-20 何泽康 Single-axis rotation and time-based frequency control breaking hammer

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