CN210104738U

CN210104738U - Novel hydraulic hammer for piling engineering

Info

Publication number: CN210104738U
Application number: CN201920869586.3U
Authority: CN
Inventors: 沈磊; 康浩
Original assignee: Ma'anshan Shenghe New Intelligent Technology Co Ltd
Current assignee: Ma'anshan Shenghe New Intelligent Technology Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-02-21
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a novel pile engineering hydraulic hammer relates to pile engineering field, makes the pressure that the tup bore can damage because of rising greatly for solving the hydraulic pile hammer among the prior art in long-time work, and the pneumatic cylinder can be damaged to the effort of bounce-back to also have certain noise can influence the problem of city life. The improved cylinder is characterized in that a liquid inlet pipe is arranged on one side inside the cylinder body, a sealing ring is arranged outside the liquid inlet pipe, a hydraulic cylinder is arranged above the inside of the cylinder body, a lifting lug is arranged on one side of the cylinder body, a piston rod is installed below the hydraulic cylinder, a piston rod sealing assembly is arranged on the outer surface of the piston rod, guide plates are installed on two sides of the piston rod, a closed-cell foam-rubber cushion is arranged on the inner surface of the cylinder body, a noise reduction layer is arranged on the inner surface of the closed-cell foam-rubber cushion, a damping spring is installed on the lower end face of the.

Description

Novel hydraulic hammer for piling engineering

Technical Field

The utility model relates to a pile engineering technical field specifically is a novel pile engineering hydraulic hammer.

Background

Piling, which means that piles are driven into the ground to make the building foundation firm, and pile driving training is an ideal choice for carrying out rural residual labor force transfer training, technical training of construction enterprises and job-going training of workers who are off duty, and the piles or stone piles are driven into the ground, and the common construction methods of hammering method, vibration method, water jetting method and pile pressing method, etc. for making the building foundation firm, and using special machines to drive, press, vibrate or screw piles of various materials into foundation soil, because the ground building needs to bear great pressure when being built on the ground, the ground must have enough strength to resist the pressure, which is difficult to achieve, so the ground bearing the building must be reinforced or the ground bearing mode is improved, so the pile driving on the ground is thought, most of the weight of the building is transmitted to a deep position below the ground through the piles, since the foundation at this location is much more tolerant than the ground, a hydraulic hammer is required to assist in the work.

The hydraulic pile hammer mainly aims at overcoming the defects that the diesel hammer has high noise and is polluted, but the service life of the pile hammer can be influenced by lifting the hammer head in the long-time working process of the hydraulic pile hammer, the hammer head can be damaged due to high pressure borne by the hammer head, a hydraulic cylinder can be damaged by rebound acting force, and city life can be influenced due to certain noise; therefore, the market urgently needs to develop a novel hydraulic hammer for piling engineering to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel pile engineering hydraulic hammer to solve the hydraulic pile hammer that proposes in the above-mentioned background art and make the pressure that the tup bore because of rising in long-time work to damage greatly, the pneumatic cylinder can be damaged to the effort of bounce-back, and also have certain noise can influence the problem of city life.

In order to achieve the above object, the utility model provides a following technical scheme: a novel hydraulic hammer for pile driving engineering comprises a barrel body, wherein an upper barrel cover is installed at the upper end of the barrel body, a high-pressure inflation valve is installed at the upper end of the upper barrel cover, an integrated hydraulic valve block is arranged below the barrel body, a lower barrel cover is arranged below the integrated hydraulic valve block, a protection pad is arranged below the lower barrel cover, a hammer body is installed below the protection pad, a liquid inlet pipe is arranged on one side inside the barrel body, a sealing ring is arranged outside the liquid inlet pipe, a hydraulic cylinder is arranged above the inside of the barrel body, a lifting lug is arranged on one side of the barrel body, a piston rod is installed below the hydraulic cylinder, a piston rod sealing assembly is arranged on the outer surface of the piston rod, guide plates are installed on two sides of the piston rod, a closed-cell sponge cushion is arranged on the inner surface of the barrel body, and a noise reduction, an oil return valve is arranged below the integrated hydraulic valve block, an oil supply valve is arranged on one side of the oil return valve, a damping spring is installed on the lower end face of the protection pad, and a damping plate is arranged at the lower end of the damping spring.

Preferably, the upper barrel cover is connected with the barrel through a fixing bolt, a sealing gasket is arranged between the upper barrel cover and the barrel, and the barrel is connected with the upper barrel cover in a sealing mode through the sealing gasket.

Preferably, the high-pressure inflation valve passes through the upper barrel cover and extends to the inside and upper barrel cover sealing connection of barrel, the feed liquor pipe passes through the upper barrel cover and passes through sealing washer and upper barrel cover sealing connection, and the feed liquor pipe extends to the inside and pneumatic cylinder sealing connection of barrel.

Preferably, the piston rod penetrates through the guide plate to be connected with the hydraulic cylinder in a sliding mode, and the piston rod penetrates through the protection pad and the damping plate to extend to the outside of the cylinder body to be fixedly connected with the hammer body.

Preferably, the closed-cell sponge cushion is attached to the barrel, and the noise reduction layer is bonded with the closed-cell sponge cushion.

Preferably, the protection pad is connected with the barrel through a fixing screw, one end of the damping spring is connected with the protection pad in a welding mode, and the other end of the damping spring is connected with the damping plate in a welding mode.

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

1. the utility model discloses a through the setting of high pressure charging valve, in the use, high pressure charging valve has solved the hydraulic pressure and the pneumatic combination problem of pile hammer, realize the high-pressure large-traffic control of hydraulic control system, and then reach the great strike energy of the pneumatic pile hammer of hydraulic pressure and strike frequency, work efficiency has been improved, and through making an uproar layer and obturator foam-rubber cushion absorption the noise that the piston rod slided from top to bottom and brought, the modern construction operation who has characteristics such as high efficiency of piling, low noise, little vibration, no oil smoke pollution now.

2. The utility model discloses a through damping spring's setting, when hydraulic pile hammer long-time work, behind because of the hammer block tenesmus, can rebound and rise, the shock attenuation board can be extruded earlier to the hammer body after rising, and the shock attenuation board unloads the power to pressure through the many places damping spring that inside set up to touching the protection pad, through the effectual wearing and tearing that have reduced the barrel bottom of protection pad, thereby protect equipment, improve life, also protected the structure of hammer block.

Drawings

Fig. 1 is a front view of a novel piling hydraulic hammer of the present invention;

fig. 2 is a schematic structural view of a novel hydraulic hammer for piling engineering of the present invention;

fig. 3 is a schematic structural diagram of the protection pad of the present invention.

In the figure: 1. a barrel; 2. an upper barrel cover; 3. a high pressure inflation valve; 4. an integrated hydraulic valve block; 5. a lower barrel cover; 6. a protection pad; 7. a hammer body; 8. a liquid inlet pipe; 9. a seal ring; 10. a hydraulic cylinder; 11. lifting lugs; 12. a piston rod; 13. a piston rod seal assembly; 14. a guide plate; 15. a noise reduction layer; 16. a closed cell foam-rubber cushion; 17. an oil return valve; 18. an oil supply valve; 19. a damping spring; 20. a shock absorbing plate.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a novel hydraulic hammer for pile driving engineering comprises a barrel body 1, an upper barrel cover 2 is installed at the upper end of the barrel body 1, a high-pressure inflation valve 3 is installed at the upper end of the upper barrel cover 2, an integrated hydraulic valve block 4 is arranged below the barrel body 1, a lower barrel cover 5 is arranged below the integrated hydraulic valve block 4, a protection pad 6 is arranged below the lower barrel cover 5, a hammer body 7 is installed below the protection pad 6, a liquid inlet pipe 8 is arranged on one side inside the barrel body 1, a sealing ring 9 is arranged outside the liquid inlet pipe 8, a hydraulic cylinder 10 is arranged above the inside of the barrel body 1, a lifting lug 11 is arranged on one side of the barrel body 1, a piston rod 12 is installed below the hydraulic cylinder 10, a piston rod sealing assembly 13 is arranged on the outer surface of the piston rod 12, guide plates 14 are installed on two sides of the piston rod 12, a closed-hole sponge cushion 16 is arranged on the, an oil return valve 17 is arranged below the integrated hydraulic valve block 4, an oil supply valve 18 is arranged on one side of the oil return valve 17, a damping spring 19 is arranged on the lower end surface of the protection pad 6, and a damping plate 20 is arranged at the lower end of the damping spring 19.

Further, go up cover 2 and barrel 1 and pass through fixing bolt and be connected, go up and be provided with sealed the pad between cover 2 and the barrel 1, barrel 1 is through sealed pad and 2 sealing connection of last cover, can maintain the maintenance to barrel 1 inside through opening upper cover 2 to can prolong equipment life.

Further, the high-pressure inflation valve 3 penetrates through the upper barrel cover 2 and extends to the inside of the barrel body 1 to be hermetically connected with the upper barrel cover 2, the liquid inlet pipe 8 penetrates through the upper barrel cover 2 to be hermetically connected with the upper barrel cover 2 through the sealing ring 9, the liquid inlet pipe 8 extends to the inside of the barrel body 1 to be hermetically connected with the hydraulic cylinder 10, the hydraulic and pneumatic combination problem of the pile hammer is solved through the high-pressure inflation valve 3, and high-pressure large-flow control of a hydraulic control system is achieved.

Further, the piston rod 12 is slidably connected with the hydraulic cylinder 10 through the guide plate 14, the piston rod 12 extends to the outside of the cylinder 1 through the protection pad 6 and the damping plate 20 to be fixedly connected with the hammer body 7, and the piston rod 12 is kept horizontal inside the cylinder 1 through the guide plate 14, so that the piling work is more stable.

Further, the obturator foam-rubber cushion 16 is attached to the barrel 1, the noise reduction layer 15 is connected with the obturator foam-rubber cushion 16 in an adhesion mode, and noise caused by the fact that the piston rod 12 slides up and down is absorbed through the noise reduction layer 15 and the obturator foam-rubber cushion 16.

Further, protection pad 6 passes through fixed screw connection with barrel 1, damping spring 19's one end and protection pad 6 welded connection, damping spring 19's the other end and the shock attenuation board 20 welded connection, hammer block 7 can extrude shock attenuation board 20 earlier, shock attenuation board 20 unloads the power to pressure through the inside many places damping spring 19 that sets up to touching protection pad 6, through the effectual wearing and tearing that have reduced barrel 1 bottom of protection pad 6, thereby protect equipment.

The working principle is as follows: when the hydraulic pile hammer is used, oil is introduced into an inlet of the liquid inlet pipe 8, the hammer body 7 drives the piston rod 12 to descend through gravity, the high-pressure inflation valve 3 solves the problem of hydraulic and pneumatic combination of the pile hammer in the use process, high-pressure large-flow control of a hydraulic control system is realized, the larger striking energy and striking frequency of the hydraulic and pneumatic pile hammer are further achieved, the working efficiency is improved, noise caused by the up-and-down sliding of the piston rod 12 is absorbed through the noise reduction layer 15 and the closed-cell sponge pad 16, when the hydraulic pile hammer works for a long time, the hammer body 7 rebounds and rises due to the fact that the hammer body 7 falls down, the hammer body 7 firstly extrudes the damping plate 20 after rising, the damping plate 20 unloads pressure through the plurality of damping springs 19 arranged inside, the protective pad 6 is touched, the abrasion at the bottom of the barrel body 1 is effectively reduced through the protective pad 6, and the oil return valve 17 is opened to reduce, oil is pumped out through the liquid inlet pipe 8, so that the piston rod 12 rises, the hammer body 7 is driven to rise, and the piling work is realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel pile engineering hydraulic hammer, includes barrel (1), its characterized in that: an upper barrel cover (2) is installed at the upper end of the barrel body (1), a high-pressure inflation valve (3) is installed at the upper end of the upper barrel cover (2), an integrated hydraulic valve block (4) is arranged below the barrel body (1), a lower barrel cover (5) is arranged below the integrated hydraulic valve block (4), a protection pad (6) is arranged below the lower barrel cover (5), a hammer body (7) is installed below the protection pad (6), a liquid inlet pipe (8) is arranged on one side inside the barrel body (1), a sealing ring (9) is arranged outside the liquid inlet pipe (8), a hydraulic cylinder (10) is arranged above the inside of the barrel body (1), a lifting lug (11) is arranged on one side of the barrel body (1), a piston rod (12) is installed below the hydraulic cylinder (10), and a piston rod sealing assembly (13) is arranged on the outer surface of the piston rod (12), deflector (14) are all installed to the both sides of piston rod (12), the internal surface of barrel (1) is provided with obturator foam-rubber cushion (16), the internal surface of obturator foam-rubber cushion (16) is provided with and falls the layer of making an uproar (15), the below of integrated hydraulic valve piece (4) is provided with return oil valve (17), one side of return oil valve (17) is provided with fuel feed valve (18), damping spring (19) are installed to the lower terminal surface of protection pad (6), damping spring's (19) lower extreme is provided with damper plate (20).

2. The novel piling engineering hydraulic hammer according to claim 1, characterized in that: go up cover (2) and barrel (1) and pass through fixing bolt and be connected, be provided with sealed the pad between upper cover (2) and barrel (1), barrel (1) is through sealed the pad and upper cover (2) sealing connection.

3. The novel piling engineering hydraulic hammer according to claim 1, characterized in that: high pressure charging valve (3) pass upper cover (2) and extend to barrel (1) inside and upper cover (2) sealing connection, feed liquor pipe (8) pass upper cover (2) through sealing washer (9) and upper cover (2) sealing connection, and feed liquor pipe (8) extend to barrel (1) inside and pneumatic cylinder (10) sealing connection.

4. The novel piling engineering hydraulic hammer according to claim 1, characterized in that: the piston rod (12) penetrates through the guide plate (14) to be connected with the hydraulic cylinder (10) in a sliding mode, and the piston rod (12) penetrates through the protection pad (6) and the damping plate (20) to extend to the outer portion of the cylinder body (1) to be fixedly connected with the hammer body (7).

5. The novel piling engineering hydraulic hammer according to claim 1, characterized in that: the closed-cell sponge cushion (16) is attached to the barrel body (1), and the noise reduction layer (15) is bonded with the closed-cell sponge cushion (16).

6. The novel piling engineering hydraulic hammer according to claim 1, characterized in that: the protection pad (6) is connected with the barrel (1) through a fixing screw, one end of the damping spring (19) is connected with the protection pad (6) in a welded mode, and the other end of the damping spring (19) is connected with the damping plate (20) in a welded mode.