CN218843223U

CN218843223U - Safety protection mechanism of hydraulic breaking hammer

Info

Publication number: CN218843223U
Application number: CN202223322070.8U
Authority: CN
Inventors: 付国荣; 陈超; 王维全; 于洁
Original assignee: Yantai Houren Safety Technology Service Co ltd
Current assignee: Yantai Houren Safety Technology Service Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-11
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a safety protection mechanism of hydraulic pressure quartering hammer belongs to quartering hammer protective structure technical field, a safety protection mechanism of hydraulic pressure quartering hammer, including the shell, still include: the top of the inner shell is fixedly connected with a second connecting seat, the inner wall of the top of the outer shell is fixedly connected with a first connecting seat, the first connecting seat and the second connecting seat are hinged with ball heads, and the two groups of ball heads are fixedly connected through connecting rods; the outer wall of the inner shell and the inner wall of the outer shell are fixedly connected with a second sealing soft ring; the utility model discloses an inner shell and shell are connected to the hinge bar that connecting rod and two sets of bulbs are constituteed to prevent that the inner shell from taking place the tenesmus and receiving the vibration energy of impact production through the buffer solution absorption inner shell, and absorb the vibration energy that the drill rod and ground impact produced, thereby eliminate the vibration energy that the part produced sound, thereby reduce broken ground and be the noise of production.

Description

Safety protection mechanism of hydraulic breaking hammer

Technical Field

The utility model relates to a quartering hammer protective structure technical field especially relates to a safety protection mechanism of hydraulic pressure quartering hammer.

Background

The safety protection mechanism of the hydraulic breaking hammer is mainly used for preventing soil and stones from splashing to accidentally injure pedestrians during operation.

The patent with the patent number of CN202021328297.1 and 2021-03-16 discloses a hydraulic breaking hammer with good noise elimination and shock absorption effects, which comprises a breaking hammer body, a shell and a drill rod body, wherein a through groove is formed in the surface of the top of the shell in a penetrating manner, a noise reduction layer is arranged on the surface of the inner wall of the shell, the noise reduction layer comprises a coating layer, a sound absorption layer and a sound insulation layer, and the sound insulation layer is in contact with the inner wall of the shell; the utility model discloses a casing, lead to the groove, the noise reduction layer, the inner shell, damping spring, the hole, the fixed block, fixed establishment, the sleeve pipe, the setting of pole and bumper shock absorber, make the device have shock attenuation safeguard function, it can block the rubble that splashes, and have and inhale the sound noise elimination function, and alleviate on-the-spot workman's uncomfortable sense, it lacks safeguard function to have solved some present quartering hammers, the rubble that produces when its operation splashes everywhere easily, there is the potential safety hazard, and produce great noise in the operation process, bring uncomfortable problem for on-the-spot workman.

Above-mentioned patent adopts damping spring to connect casing and inner shell, because the spring itself has certain elasticity, it can kick-back after receiving the earth and stone impact compression to the spring, kick-back earth and stone bullet to the drill rod, cause the impact to the surface of drill rod, and mainly through spring coupling between inner shell and the casing, casing and inner shell all adopt the mould steel to support again, when the device hangs the air for a long time, the tenesmus that the weight of inner shell produced makes the spring stretch for a long time easily, can reduce the elasticity of spring, and then reduce its buffer capacity.

The above problems are not solved, and a safety protection mechanism of a hydraulic breaking hammer is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a safety protection mechanism of a hydraulic breaking hammer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a safety protection mechanism of a hydraulic breaking hammer comprises a shell and further comprises: the top of the inner shell is fixedly connected with a second connecting seat, the inner wall of the top of the outer shell is fixedly connected with a first connecting seat, the first connecting seat and the second connecting seat are hinged with ball heads, and the two groups of ball heads are fixedly connected through connecting rods; the outer wall of the inner shell and the inner wall of the outer shell are fixedly connected with a second sealing soft ring; through holes are formed in the top of each of the inner shell and the outer shell, and first sealing soft rings are fixedly connected to the inner walls of the two groups of through holes; and a cavity is formed between the outer shell, the inner shell and the two groups of sealing soft rings, and a buffer solution is filled in the cavity.

In order to facilitate the installation, preferably, the hammer further comprises a connecting block fixedly connected to the hammer body of the breaking hammer, a telescopic assembly is fixedly connected to the bottom of the connecting block, and the output end of the telescopic assembly is fixedly connected with the top of the shell.

Preferably, the connecting block is fixedly connected to the hammer body through a bolt.

In order to facilitate the close adhesion of the shell to the ground, preferably, the telescopic assembly comprises a sleeve fixedly connected to the connecting block, a sliding rod is slidably connected to the sleeve, the sliding rod extends into the sleeve and is fixedly connected with a limiting block, a spring is arranged in the sleeve, and two ends of the spring respectively abut against the limiting block and the inner wall of the sleeve.

In order to further reduce the impact force, preferably, a buffer pad is fixedly connected to the inner wall of the inner casing.

In order to prevent dust from being diffused, preferably, the drill rod of the breaking hammer extends into the inner shell and is fixedly connected with a buffer plate, and the buffer plate and the buffer pad are fixedly connected with filter cloth.

In order to reduce noise, preferably, a first sound absorbing cylinder is fixedly connected to an outer wall of the inner casing.

In order to reduce noise, the bottom of the hammer body is fixedly connected with a third sound absorption barrel, the top of the shell is fixedly connected with a second sound absorption barrel, and the third sound absorption barrel slides in the second sound absorption barrel.

Compared with the prior art, the utility model provides a safety protection mechanism of hydraulic breaking hammer possesses following beneficial effect:

1. this safety protection mechanism of hydraulic breaking hammer connects inner shell and shell through the articulated arm that connecting rod and two sets of bulbs are constituteed to prevent that the inner shell from taking place the tenesmus.

2. The safety protection mechanism of the hydraulic breaking hammer absorbs vibration energy generated by impact on the inner shell and vibration energy generated by impact between the drill rod and the ground through the buffer solution, so that vibration energy of part of generated sound is eliminated, and noise generated by ground breaking is reduced.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a safety protection mechanism of a hydraulic breaking hammer according to the present invention;

fig. 2 is a front view of a safety protection mechanism of the hydraulic breaking hammer according to the present invention;

fig. 3 is a main sectional view of a safety protection mechanism of a hydraulic breaking hammer according to the present invention;

fig. 4 is a schematic structural diagram of a position a in the safety protection mechanism diagram 3 of the hydraulic breaking hammer according to the present invention.

In the figure: 1. connecting blocks; 2. a bolt; 3. a sleeve; 4. a spring; 5. a limiting block; 6. a slide bar; 7. a housing; 8. a first connecting seat; 9. a connecting rod; 10. a ball head; 11. a second connecting seat; 12. a first sealing soft ring; 13. a cavity; 14. a buffer solution; 15. an inner shell; 16. a first sound absorbing barrel; 17. a cushion pad; 18. a buffer plate; 19. filtering cloth; 20. a through hole; 21. a hammer body; 22. a drill rod; 23. a second sealing soft ring; 24. a second sound absorbing cylinder; 25. and a third sound absorbing cylinder.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The embodiment is as follows:

referring to fig. 1-4, a safety protection mechanism for a hydraulic breaking hammer includes a housing 7, and further includes: the ball joint comprises an inner shell 15, wherein the top of the inner shell 15 is fixedly connected with a second connecting seat 11, the inner wall of the top of the outer shell 7 is fixedly connected with a first connecting seat 8, the first connecting seat 8 and the second connecting seat 11 are both hinged with ball heads 10, and the two groups of ball heads 10 are fixedly connected through a connecting rod 9; the outer wall of the inner shell 15 and the inner wall of the outer shell 7 are fixedly connected with a second sealing soft ring 23; through holes 20 are formed in the tops of the inner shell 15 and the outer shell 7, and first sealing soft rings 12 are fixedly connected to the inner walls of the two groups of through holes 20; a cavity 13 is formed between the outer shell 7, the inner shell 15 and the two groups of sealing soft rings, and a buffer solution 14 is filled in the cavity 13.

During operation, soil and stone splash impacts the inner wall of the inner shell 15, the impacted inner shell 15 moves towards the direction of the soil and stone splash movement, at the moment, the buffer solution 14 inside the cavity 13 is acted by force and flows inside the cavity 13 to consume the energy of the force, the buffer solution 14 absorbs the vibration energy generated by the impact on the inner shell 15 and absorbs the vibration energy generated by the impact between the drill rod 22 and the ground, so that part of the vibration energy generating sound is eliminated, and therefore the noise generated when the ground is broken is reduced, in the moving process of the inner shell 15, the connecting rod 9 and the hinge rod formed by the two groups of ball heads 10 are connected with the inner shell 15 and the outer shell 7, so that the inner shell 15 is prevented from falling down, wherein the buffer solution 14 can be water, hydraulic oil, cooling oil and other flowing liquid, and the first sealing soft ring 12 and the second sealing soft ring 23 are made of rubber, silica gel or other flexible materials with liquid permeation prevention.

Referring to fig. 1-4, still include connecting block 1 of fixed connection on the hammer body 21 of quartering hammer, the bottom fixedly connected with telescopic assembly of connecting block 1, telescopic assembly's output and the top of shell 7 are fixed to be continuous, connecting block 1 passes through bolt 2 fixed connection on hammer body 21, telescopic assembly includes sleeve 3 of fixed connection on connecting block 1, sliding connection has slide bar 6 on sleeve 3, slide bar 6 extends to fixedly connected with stopper 5 in the sleeve 3, be provided with spring 4 in the sleeve 3, spring 4's both ends offset with stopper 5 and sleeve 3's inner wall respectively.

When the hammer body 21 moves towards the ground, the shell 7 is preferentially contacted with the ground, then when the hammer body 21 continuously moves downwards, the spring 4 is compressed under the stress, the elastic force of the spring 4 extrudes the limiting block 5, the sliding rod 6 pushes the shell 7 to move downwards, and therefore the shell 7 is tightly attached to the ground.

Referring to fig. 3 and 4, a buffer 17 is fixedly connected to the inner wall of the inner casing 15, the buffer 17 is made of rubber or silica gel, and the buffer 17 has its own buffer performance to relieve stress and reduce vibration energy generated by impact, thereby reducing sound.

Referring to fig. 4, a drill rod 22 of the breaking hammer extends into the inner shell 15 and is fixedly connected with a buffer plate 18, the buffer plate 18 and the buffer 17 are fixedly connected with a filter cloth 19, the buffer plate 18 is used for preventing soil and stones from flying out of the inner shell 15 from the through holes 20, and the filter cloth 19 is used for filtering smoke and dust from flying out of the through holes 20.

Referring to fig. 3 and 4, the outer wall of the inner casing 15 is fixedly connected with a first sound absorbing cylinder 16, the bottom of the hammer body 21 is fixedly connected with a third sound absorbing cylinder 25, the top of the outer casing 7 is fixedly connected with a second sound absorbing cylinder 24, and the third sound absorbing cylinder 25 slides in the second sound absorbing cylinder 24.

The sound-absorbing cylinder is made of the sound-absorbing plate, the porous structure of the sound-absorbing plate is utilized, namely the propagation speed of sound in air is lower than that in solid, when sound waves pass through, friction is generated due to the action of flow resistance, a part of sound energy is absorbed, and the sound-absorbing effect of the damaged hydraulic hammer is further improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a safety protection mechanism of hydraulic breaking hammer, includes shell (7), its characterized in that still includes:

the ball joint comprises an inner shell (15), wherein the top of the inner shell (15) is fixedly connected with a second connecting seat (11), the inner wall of the top of the outer shell (7) is fixedly connected with a first connecting seat (8), the first connecting seat (8) and the second connecting seat (11) are both hinged with ball heads (10), and the two groups of ball heads (10) are fixedly connected through a connecting rod (9); a second sealing soft ring (23) is fixedly connected to the outer wall of the inner shell (15) and the inner wall of the outer shell (7); through holes (20) are formed in the tops of the inner shell (15) and the outer shell (7), and first sealing soft rings (12) are fixedly connected to the inner walls of the two groups of through holes (20); the outer shell (7) and the inner shell (15) and the two groups of sealing soft rings form a cavity (13), and a buffer solution (14) is filled in the cavity (13).

2. The safety protection mechanism of a hydraulic breaking hammer according to claim 1, further comprising a connecting block (1) fixedly connected to the hammer body (21) of the breaking hammer, wherein a telescopic assembly is fixedly connected to the bottom of the connecting block (1), and the output end of the telescopic assembly is fixedly connected to the top of the housing (7).

3. A safety guard mechanism for a hydraulic demolition hammer according to claim 2, characterized in that the connecting block (1) is fixedly connected to the hammer body (21) by means of a bolt (2).

4. The safety protection mechanism of the hydraulic breaking hammer according to claim 2, wherein the telescopic assembly comprises a sleeve (3) fixedly connected to the connecting block (1), a sliding rod (6) is slidably connected to the sleeve (3), the sliding rod (6) extends to a limiting block (5) fixedly connected to the inside of the sleeve (3), a spring (4) is arranged in the sleeve (3), and two ends of the spring (4) respectively abut against the limiting block (5) and the inner wall of the sleeve (3).

5. A safety guard mechanism as claimed in claim 1, characterised in that a cushion (17) is fixedly attached to the inner wall of the inner housing (15).

6. A safety mechanism as claimed in claim 5, wherein the shank (22) of the breaking hammer extends into the inner housing (15) and is fixedly connected with a buffer plate (18), and the buffer plate (18) and the buffer pad (17) are fixedly connected with a filter cloth (19).

7. A safety shield arrangement for a hydraulic breaking hammer according to claim 1, wherein a first sound-absorbing barrel (16) is fixedly attached to the outer wall of the inner housing (15).

8. The safety protection mechanism of a hydraulic breaking hammer according to claim 2, wherein a third sound absorption barrel (25) is fixedly connected to the bottom of the hammer body (21), a second sound absorption barrel (24) is fixedly connected to the top of the outer shell (7), and the third sound absorption barrel (25) slides in the second sound absorption barrel (24).