CN216865306U

CN216865306U - Breaking hammer with fan

Info

Publication number: CN216865306U
Application number: CN202220062937.1U
Authority: CN
Inventors: 王尊礼; 毕云; 徐钦; 王迪; 李其龙
Original assignee: JIANGSU LIBOSHI MACHINERY CO Ltd; Huai'an Senior Vocational & Technical School
Current assignee: JIANGSU LIBOSHI MACHINERY CO Ltd; Huai'an Senior Vocational & Technical School
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-07-01
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses a breaking hammer with a fan, which comprises a rear cylinder, a middle cylinder, a piston, a front cylinder and a drill rod, wherein the rear cylinder and the front cylinder are respectively arranged at two ends of the middle cylinder; through the second passageway that sets up, first passageway, inlet port and radiator fan, can play good radiating effect when the quartering hammer uses, the damage of reduction quartering hammer sealing member that can be better, also can reduce hydraulic pressure quartering hammer because the indiscriminate phenomenon frequently that high temperature brought, and some trouble, can also play certain cooling effect to hydraulic oil among the simultaneous heat dissipation process for the hydraulic oil temperature that returns can not be too high in the quartering hammer work, and then protects some parts in the excavator.

Description

Breaking hammer with fan

Technical Field

The utility model belongs to the technical field of breaking hammers, and particularly relates to a breaking hammer with a fan.

Background

The hydraulic breaking hammer is a novel hydraulic impact machine, a hydraulic pump is used as a power source, oil pressure is used as power, high-speed reciprocating motion of a breaker piston in a cylinder body is realized by high-pressure oil output by a working mother machine during working, a drill rod is struck, and a drill point is enabled to carry out breaking operation on rocks from the surface.

In the working process of the hydraulic breaking hammer, when the piston makes stroke and return movement back and forth in the middle cylinder body, hydraulic oil flows once in each return movement, and the hydraulic oil is high in pressure when passing through, so that the hydraulic oil can be heated to high temperature, when a drill rod is added to strike stones, the generated high temperature is transmitted to the cylinder body, so that the whole breaking hammer is always in a high-temperature state, sometimes, after the breaking hammer works for a period of time, the measured external temperature can reach more than 80 degrees, impact and electronic damage to the whole excavator can cause great service life, the high temperature not only reduces the service life of the excavator, but also increases maintenance cost and brings a plurality of fault points in the later period, and simultaneously the fault rate is gradually increased, and because the high temperature of the hydraulic oil can reduce the service life of a plurality of parts in the excavator, each O-shaped ring and a sealing element in the hydraulic breaking hammer are damaged, the viscosity of hydraulic oil is reduced due to high temperature, so that the phenomena of weakness or frequency disorder are generated when the breaking hammer works, and therefore the utility model provides the breaking hammer with the fan.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a breaking hammer with a fan, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the breaking hammer with the fan comprises a rear cylinder, a middle cylinder, a piston, a front cylinder and a drill rod, wherein the rear cylinder and the front cylinder are respectively arranged at two ends of the middle cylinder, the piston is movably arranged at the inner side of the middle cylinder, one end of the drill rod is movably arranged at the inner side of the front cylinder, the inner part of the middle cylinder is provided with a plurality of second channels in an annular array manner, the second channels are in an inclined manner, the inner part of the rear cylinder is provided with a plurality of first channels communicated with the top ends of the second channels in an annular array manner, the top end of each first channel is communicated with the side surface of the rear cylinder, the side surface of the rear cylinder is provided with a heat radiating fan, the bottom end of each second channel is provided with an air inlet hole and a filter ring communicated with the outer side surface of the middle cylinder, the opening of the air inlet hole is embedded with and provided with two filter screens, the inner side of the filter ring is provided with the two filter screens, the outer side surface of the middle cylinder is provided with a limiting compression ring corresponding to the opening of each air inlet hole, and the limiting compression ring is tightly attached to the filtering ring, and one side of the limiting compression ring is provided with an integrated side base.

Preferably, a first sliding groove is formed in the middle cylinder and corresponds to one side of each air inlet, a first sliding block, a first spring and a connecting rod are arranged in the first sliding groove, one end of the connecting rod is fixed to the first sliding block, the other end of the connecting rod extends out of the middle cylinder and is rotatably connected with the side base, two first springs are symmetrically arranged between the first sliding block and the inner wall of one end of the first sliding groove, and the two first springs are located on two sides of the connecting rod respectively.

Preferably, the surface of one side of the first sliding block and the inner wall of one end of the first sliding chute are both fixed with a convex block, and two ends of the first spring are respectively sleeved on the two convex blocks.

Preferably, a base rod with a T-shaped section is fixed on the surface of the other end of the connecting rod, and the side base is rotatably sleeved on the base rod.

Preferably, a second sliding groove is formed in the middle cylinder and corresponds to one side of each first sliding groove, a second sliding block is arranged in each second sliding groove, a limiting insertion block is fixed to one side of each second sliding block, a limiting insertion groove is formed in one end of each first sliding block, and one end of each limiting insertion block penetrates into the corresponding limiting insertion groove.

Preferably, the inner wall of one side of the second sliding groove is provided with a strip-shaped poking channel communicated with the outer side surface of the middle cylinder, the surface of the second sliding block is provided with a strip-shaped poking opening, the surface of the middle cylinder is provided with a sealing pad, and the inner side of the sealing pad is provided with a plug block embedded into the strip-shaped poking opening.

Preferably, a movable groove is formed in the second sliding block, a second spring and a telescopic clamping bead are arranged in the movable groove, two circular clamping grooves are symmetrically formed in the inner wall of the other side of the second sliding groove, and one end of the telescopic clamping bead is clamped in one of the circular clamping grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the second passageway that sets up, first passageway, inlet port and radiator fan, can play good radiating effect when the quartering hammer uses, the damage of reduction quartering hammer sealing member that can be better, also can reduce hydraulic pressure quartering hammer because the indiscriminate phenomenon frequently that high temperature brought, and some trouble, can also play certain cooling effect to hydraulic oil among the simultaneous heat dissipation process for the hydraulic oil temperature that returns can not be too high in the quartering hammer work, and then protects some parts in the excavator.

2. Through the filtration circle, filter screen, spacing clamping ring, side base, first spout, first slider, first spring and connecting rod isotructure that set up, can play good filtering action to the inside air that gets into the inlet port, avoid dust and the garrulous stone in the air to get into, ensure radiating channel's unobstructed, the filtration circle is easily pulled down simultaneously and is cleaned convenient to use.

3. Through the second spout, second slider, spacing inserted block and spacing slot isotructure that set up, can play limiting displacement to first slider and side base when daily use, prevent that spacing clamping ring from taking place the displacement, ensure the installation stability of filter ring.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of a portion of the area B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of the utility model in the area C of FIG. 2;

FIG. 5 is an enlarged view of a portion of the utility model shown in FIG. 2 and indicated by the area D;

FIG. 6 is an enlarged view of a portion of the utility model in the area E of FIG. 5;

in the figure: 1. a rear cylinder; 2. a middle cylinder; 3. a piston; 4. a front cylinder; 5. a drill rod; 6. a heat radiation fan; 7. a first channel; 8. a second channel; 9. an air intake; 10. limiting a compression ring; 11. a filtering ring; 12. a filter screen; 13. a side base; 14. a first chute; 15. a first slider; 16. a first spring; 17. a connecting rod; 18. a second chute; 19. a second slider; 20. a circular slot; 21. sealing a gasket; 22. limiting the inserting block; 23. limiting slots; 24. a movable groove; 25. a second spring; 26. and (5) telescopic clamping beads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, the present invention provides a technical solution: a breaking hammer with a fan comprises a rear cylinder 1, a middle cylinder 2, a piston 3, a front cylinder 4 and a drill rod 5, wherein the rear cylinder 1 and the front cylinder 4 are respectively arranged at two ends of the middle cylinder 2, the piston 3 is movably arranged at the inner side of the middle cylinder 2, one end of the drill rod 5 is movably arranged at the inner side of the front cylinder 4, a plurality of second channels 8 are arranged in the middle cylinder 2 in an annular array, the second channels 8 are inclined, a plurality of first channels 7 communicated with the top ends of the second channels 8 are arranged in the rear cylinder 1 in an annular array, the top end of each first channel 7 is communicated with the side surface of the rear cylinder 1, a cooling fan 6 is arranged at the side surface of the rear cylinder 1, an air inlet 9 communicated with the outer side surface of the middle cylinder 2 is arranged at the bottom end of each second channel 8, the air inlet 9, the second channels 8 and the first channels 7 form a complete cooling channel for facilitating air circulation, and the accelerated circulation of air can be realized by the cooling fan 6, improve the radiating efficiency, filter ring 11 is installed in the opening part embedding of inlet port 9, and two filter screens 12 are installed to filter ring 11's inboard, can play good filter action to the air that gets into inlet port 9 inside, avoid dust and the rubble piece in the air to get into, the outside surface of well jar 2 all is provided with spacing clamping ring 10 for the opening part of every inlet port 9, and spacing clamping ring 10 hugs closely with filter ring 11, one side of spacing clamping ring 10 is equipped with the side base 13 of integral type.

In this embodiment, preferably, a first chute 14 is formed in the middle cylinder 2 at a side opposite to each air inlet 9, a first slider 15, a first spring 16 and a connecting rod 17 are arranged in the first chute 14, one end of the connecting rod 17 is fixed to the first slider 15, the other end of the connecting rod 17 extends to the outside of the middle cylinder 2 and is rotatably connected to a side base 13, two first springs 16 are symmetrically arranged between the first slider 15 and the inner wall of one end of the first chute 14, the two first springs 16 are respectively located at two sides of the connecting rod 17, a protruding block is fixed to each of a side surface of the first slider 15 and the inner wall of one end of the first chute 14, two ends of the first spring 16 are respectively sleeved on the two protruding blocks, a base rod with a T-shaped cross section is fixed to the surface of the other end of the connecting rod 17, the side base 13 is rotatably sleeved on the base rod, so that the pressure ring stopper 10 can be removed from the opening of the air inlet 9 by pulling and rotating, to facilitate the removal and cleaning of the filter ring 11.

In this embodiment, preferably, a second sliding groove 18 is formed in one side of the interior of the middle cylinder 2 opposite to each first sliding groove 14, a second sliding block 19 is disposed in the second sliding groove 18, a limiting insert block 22 is fixed on one side of the second sliding block 19, a limiting slot 23 corresponding to the limiting insert block 22 is formed in one end of the first sliding block 15, one end of the limiting insert block 22 penetrates into the limiting slot 23, the limiting insert block can limit the first sliding block 15 and the side base 13 during daily use, so as to prevent the limiting press ring 10 from displacing, ensure the installation stability of the filter ring 11, a strip-shaped dial channel communicated with the outer side surface of the middle cylinder 2 is formed in the inner wall of one side of the second sliding groove 18, a strip-shaped dial opening corresponding to the strip-shaped dial channel is formed in the surface of the second sliding block 19, so as to facilitate subsequent operators to dial the second sliding block 19, a sealing pad 21 corresponding to the strip-shaped dial opening is installed on the surface of the middle cylinder 2, and the inner side of the sealing pad 21 is provided with a plug block embedded into the strip-shaped poking port, so that the strip-shaped poking channel can be sealed in daily use.

In this embodiment, preferably, a movable groove 24 is formed inside the second slider 19, a second spring 25 and a retractable clamping bead 26 are arranged in the movable groove 24, two circular clamping grooves 20 corresponding to the retractable clamping bead 26 are symmetrically formed in the inner wall of the other side of the second sliding groove 18, and one end of the retractable clamping bead 26 is clamped in one of the circular clamping grooves 20, so that the second slider 19 can be clamped and limited when sliding to the two ends of the movable groove 24.

The type of the cooling fan 6 is MH12038 HBL;

the working principle and the using process of the utility model are as follows: when the breaking hammer with the fan is used, after high temperature occurs in a period of use, the heat radiation fan 6 can be started to enable the heat radiation fan 6 to generate negative pressure airflow in the first channel 7 and the second channel 8 after running, so that outside air is sucked in through the air inlet hole 9 and finally sucked out from the top end of the first channel 7, thereby having good heat radiation effect and avoiding faults caused by high temperature, meanwhile, under the action of the filter screen 12 on the inner side of the filter ring 11, dust and crushed stone in the outside air can be well filtered, thereby ensuring the smoothness of the heat radiation channel, when the filter ring 11 needs to be dismounted for cleaning subsequently, only the sealing gasket 21 needs to be pulled down with force, so that the bar shifting channel is exposed, at the moment, the bar shifting channel pushes the second sliding block 19 with force to the side, so that the end part of the telescopic clamping bead 26 is extruded by the inner wall of the second sliding groove 18 and is gradually extruded into the movable groove 24, until the second slide block 19 moves to the right end of the second slide groove 18 smoothly, the end part of the telescopic clamping bead 26 is clamped into the circular clamping groove 20 at the position deviated to the right under the pushing of the second spring 25, and the end part of the limiting insertion block 22 is moved out of the limiting slot 23, so that an operator can pull the side base 13 and the limiting press ring 10, pull the first slide block 15 by the connecting rod 17, gradually compress the first spring 16 until the limiting press ring 10 is separated from the filter ring 11, then rotate and move the limiting press ring 10 away from the opening of the air inlet hole 9, directly take out the filter ring 11 from the inside of the air inlet hole 9 for cleaning, push the filter ring 11 into the inner side of the air inlet hole 9 after cleaning, rotate the limiting press ring 10, loosen the limiting press ring 10, push the first slide block 15 back under the self elastic action of the first spring 16, and pull the side base 13 and the limiting press ring 10 back by the connecting rod 17, cause spacing clamping ring 10 to support filtering ring 11 tight spacing once more, accomplish the installation of filtering ring 11, push back with second slider 19 power at last, cause second slider 19 to remove to the left end of second spout 18, and make flexible card pearl 26 card go into in the circular draw-in groove 20 of skew left side position, the tip of spacing inserted block 22 can insert spacing to first slider 15 in spacing slot 23 this moment, thereby ensure that spacing clamping ring 10 and lateral base 13 can not take place the displacement during daily use, ensure the installation stability of filtering ring 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. Take fan quartering hammer, including back jar (1), well jar (2), piston (3), preceding jar (4) and drill rod (5), back jar (1) and preceding jar (4) set up respectively at the both ends of well jar (2), piston (3) activity sets up the inboard at well jar (2), the one end activity of drill rod (5) sets up the inboard at preceding jar (4), its characterized in that: the inner part of the middle cylinder (2) is provided with a plurality of second channels (8) in an annular array, the second channels (8) are inclined, the inner part of the rear cylinder (1) is provided with a plurality of first channels (7) communicated with the top end of the second channels (8) in an annular array, the top end of each first channel (7) is communicated with the side surface of the rear cylinder (1), the side surface of the rear cylinder (1) is provided with a cooling fan (6), the bottom end of each second channel (8) is provided with an air inlet hole (9) communicated with the outer side surface of the middle cylinder (2), the opening of the air inlet hole (9) is embedded with a filter ring (11), two filter screens (12) are arranged on the inner side of the filter ring (11), the outer side surface of the middle cylinder (2) is provided with a limiting compression ring (10) relative to the opening of each air inlet hole (9), and the limiting compression ring (10) is tightly attached to the filter ring (11), and an integrated side base (13) is arranged on one side of the limiting compression ring (10).

2. The fan demolition hammer of claim 1 wherein: first chute (14) have all been seted up for one side of every inlet port (9) in the inside of well jar (2), and the inside of first chute (14) is provided with first slider (15), first spring (16) and connecting rod (17), the one end and first slider (15) of connecting rod (17) are fixed, the other end of connecting rod (17) stretches out the outside and the side base (13) rotation connection of well jar (2), and the symmetry is provided with two first springs (16) between the one end inner wall of first slider (15) and first chute (14), and two first spring (16) are in the both sides of connecting rod (17) respectively.

3. The fan demolition hammer of claim 2 wherein: and the surface of one side of the first sliding block (15) and the inner wall of one end of the first sliding groove (14) are respectively fixed with a convex block, and two ends of the first spring (16) are respectively sleeved on the two convex blocks.

4. The fan demolition hammer of claim 2 wherein: and a base rod with a T-shaped section is fixed on the surface of the other end of the connecting rod (17), and the side base (13) is rotatably sleeved on the base rod.

5. The fan demolition hammer of claim 2 wherein: the inner portion of the middle cylinder (2) is provided with a second sliding groove (18) relative to one side of each first sliding groove (14), a second sliding block (19) is arranged in each second sliding groove (18), one side of each second sliding block (19) is fixed with a limiting insertion block (22), one end of each first sliding block (15) is provided with a limiting insertion groove (23), and one end of each limiting insertion block (22) penetrates into the corresponding limiting insertion groove (23).

6. The fan demolition hammer of claim 5 wherein: the communicating bar of dialling with well jar (2) outside surface is seted up to one side inner wall of second spout (18), the mouth is dialled to the bar has been seted up on the surface of second slider (19), the surface mounting of well jar (2) has sealing gasket (21), just the inboard of sealing gasket (21) is equipped with the chock that imbeds to the mouth is dialled to the bar.

7. The fan demolition hammer of claim 5 wherein: a movable groove (24) is formed in the second sliding block (19), a second spring (25) and a telescopic clamping bead (26) are arranged in the movable groove (24), two circular clamping grooves (20) are symmetrically formed in the inner wall of the other side of the second sliding groove (18), and one end of the telescopic clamping bead (26) is clamped in one of the circular clamping grooves (20).