CN220540176U

CN220540176U - Vibrating hammer with internal spring for vibration isolation

Info

Publication number: CN220540176U
Application number: CN202321790961.8U
Authority: CN
Inventors: 刘献钢; 江守慈; 张鲲; 梁毅
Original assignee: Jiangxi Jiye Lianggong Pile Machine Manufacturing Co ltd
Current assignee: Jiangxi Jiye Lianggong Pile Machine Manufacturing Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-02-27
Anticipated expiration: 2033-07-10

Abstract

The utility model relates to the technical field of engineering machinery, in particular to a vibrating hammer with an inner spring for vibration isolation, which comprises a vibrating box, wherein two eccentric shafts with opposite rotation directions are arranged in the vibrating box, hanging brackets are arranged on two sides of the vibrating box, an inner spring vibration isolation device is arranged at the upper end of each hanging bracket, each inner spring vibration isolation device comprises a sleeve connected with each hanging bracket, a hanging shaft penetrates through the middle of each sleeve, the upper end of each hanging shaft penetrates through a connecting block, the connecting blocks are fixedly connected with the inner wall of each sleeve, a spring is arranged in each sleeve, a spring washer is arranged at the lower end of each spring, and the lower end of each hanging shaft penetrates through each spring and each spring washer and is fixed at an extending position through a nut; according to the vibration isolation assembly, the spring is internally arranged, so that water or dust can be prevented from entering the vibration isolation assembly to a great extent, the vibration isolation assembly is free from rusting, abnormal sound, unstable operation and the like, and meanwhile, the service life of the vibration isolation assembly is prolonged.

Description

Vibrating hammer with internal spring for vibration isolation

Technical Field

The utility model relates to the technical field of engineering machinery, in particular to a vibrating hammer with an inner spring for vibration isolation.

Background

The spring vibration hammer drives the two groups of eccentric blocks to rotate oppositely by using the motor, so that the transverse centrifugal forces generated by the two groups of eccentric blocks are mutually offset, and the vertical centrifugal forces are added, and the whole system generates vertical up-and-down vibration due to the high rotating speed of the eccentric shafts, so that the purpose of pile sinking or pile pulling is achieved;

two vertical shafts are respectively arranged on two sides of a spring vibrating hammer in the prior art, each vertical shaft is sleeved with a compression spring up and down, the compression springs, the vertical shafts and a fixing plate for fixing the compression springs and the vertical shafts form a vibration reduction assembly, and the vibration reduction assembly can play a role in reducing vibration amplitude generated in the vibration process;

the spring vibration hammer is multipurpose on the building site, and building site dust is more, can use the watering lorry to spray water to the high altitude regularly in order to reduce the dust simultaneously, and the water droplet that produces during watering and original dust probably can enter into the damping subassembly, makes the damping subassembly appear rustting, abnormal sound and the condition such as operation unstability, reduces the life of damping subassembly.

Disclosure of Invention

In view of the problems set forth in the background art, the present utility model provides a vibrating hammer with an inner spring for vibration isolation, and the present utility model is further described below.

The vibration hammer comprises a vibration box, wherein two eccentric shafts with opposite rotation directions are arranged in the vibration box, hanging frames are arranged on two sides of the vibration box, an inner spring vibration isolation device is arranged at the upper end of each hanging frame, each inner spring vibration isolation device comprises a sleeve connected with each hanging frame, a hanging shaft penetrates through the middle of each sleeve, the upper end of each hanging shaft penetrates through a connecting block, the connecting blocks are fixedly connected with the inner wall of each sleeve, a spring is arranged in each sleeve, a spring washer is arranged at the lower end of each spring, and the lower end of each hanging shaft penetrates through each spring, the spring washer and the extending part of each hanging shaft are fixed through nuts;

preferably, the eccentric shaft is integrally manufactured;

preferably, a motor is arranged at the upper end of the vibration box, a belt pulley is arranged at the output end of the motor, a belt pulley is also arranged at the front end of one eccentric shaft in the vibration box, the eccentric shaft is arranged in the vibration box through a bearing, gears are arranged on the eccentric shafts, the rotation directions of the two gears are opposite, the gears are connected with the eccentric shafts through key connection, and the two belt pulleys are connected through a belt;

preferably, a lifting hole is formed in the upper end of the lifting shaft;

preferably, the lifting hole is circular;

the beneficial effects are that: compared with the prior art, the vibration isolation assembly has the advantages that the spring is internally arranged, so that water or dust can be prevented from entering the vibration isolation assembly to a great extent, the vibration isolation assembly is free from the conditions of rust, abnormal sound, unstable operation and the like, and meanwhile, the service life of the vibration isolation assembly is prolonged conveniently.

Drawings

Fig. 1: the structure of the utility model is schematically shown;

fig. 2: the left side view of fig. 1 of the present utility model;

in the figure: the vibration isolator comprises a vibration box 1, an eccentric shaft 2, a hanging bracket 3, an inner spring vibration isolator 4, a sleeve 5, a hanging shaft 6, a connecting block 7, a spring washer 8, a nut 9, a motor 10, a belt pulley 11, a bearing 12, a gear 13 and a spring 14;

Detailed Description

A specific embodiment of the present utility model will be described in detail with reference to fig. 1-2.

The vibrating hammer with the vibration isolation of the inner spring comprises a vibrating box 1, wherein two eccentric shafts 2 with opposite rotation directions are arranged in the vibrating box 1, hanging frames 3 are arranged on two sides of the vibrating box 1, an inner spring vibration isolation device 4 is arranged at the upper end of each hanging frame 3, each inner spring vibration isolation device 4 comprises a sleeve 5 connected with each hanging frame 3, a hanging shaft 6 penetrates through the middle of each sleeve 5, the upper end of each hanging shaft 6 penetrates through a connecting block 7, each connecting block 7 is fixedly connected with the inner wall of each sleeve 5, a spring 14 is arranged in each sleeve 5, a spring washer 8 is arranged at the lower end of each spring 14, and the lower end of each hanging shaft 6 penetrates through each spring 14 and each spring washer 8 and is fixed at an extension position through a nut 9;

in this embodiment, the eccentric shaft 2 is integrally manufactured, so that the overall performance of the eccentric shaft is better;

in this embodiment, a motor 10 is disposed at the upper end of the vibration box 1, a belt pulley 11 is disposed at the output end of the motor 10, a belt pulley 11 is also disposed at the front end of one of the eccentric shafts 2 disposed in the vibration box 1, the eccentric shafts 2 are disposed in the vibration box 1 through bearings 12, gears 13 are disposed on the eccentric shafts 2, the rotation directions of the two gears 13 are opposite, the gears 13 are connected with the eccentric shafts 2 through a key connection, and the two belt pulleys 11 are connected through a belt; namely, the motor 7 is started to drive the belt pulley 8 to rotate, so that the eccentric shaft 2 in the vibrating box 1 rotates, and the gear 13 is arranged, so that the rotation of the eccentric shaft 2 in the vibrating box 1 is opposite, and the whole device generates vertical up-and-down vibration, thereby achieving the purposes of pile sinking or pile pulling; it should be noted that, during use, the spring is in a compressed state at the beginning;

in this embodiment, a lifting hole is provided at the upper end of the lifting shaft 6, preferably, the lifting hole is circular;

compared with the prior art, the vibration isolation assembly has the advantages that the spring is internally arranged, so that water or dust can be prevented from entering the vibration isolation assembly to a great extent, the vibration isolation assembly is free from the conditions of rust, abnormal sound, unstable operation and the like, and meanwhile, the service life of the vibration isolation assembly is prolonged conveniently.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a vibrating hammer of interior spring vibration isolation which characterized in that: including vibrating box (1) inside eccentric shaft (2) that are equipped with two rotation direction opposite vibrating box (1) both sides are equipped with gallows (3) upper end is equipped with interior spring vibration isolation mounting (4), interior spring vibration isolation mounting (4) include with sleeve (5) that gallows (3) are connected it hangs axle (6) to run through being equipped with in the middle of sleeve (5), hang axle (6) upper end and run through connecting block (7), connecting block (7) with sleeve (5) inner wall fixed connection be provided with spring (14) in sleeve (5) spring (14) lower extreme is equipped with spring washer (8), hang axle (6) lower extreme run through spring (14) with spring washer (8) and extension department are fixed through nut (9).

2. The vibrating hammer of claim 1, wherein the hammer is characterized by: the eccentric shaft (2) is integrally manufactured.

3. The vibrating hammer of claim 1, wherein the hammer is characterized by: the vibrating box is characterized in that a motor (10) is arranged at the upper end of the vibrating box (1), a belt pulley (11) is arranged at the output end of the motor (10), one of the eccentric shafts (2) inside the vibrating box (1) is also provided with the belt pulley (11) at the front end, the eccentric shafts (2) are arranged inside the vibrating box (1) through bearings (12), gears (13) are arranged on the eccentric shafts (2), the rotation directions of the gears (13) are opposite, the gears (13) are connected with the eccentric shafts (2) through key connection, and the two belt pulleys (11) are connected through a belt.

4. The vibrating hammer of claim 1, wherein the hammer is characterized by: and a lifting hole is formed in the upper end of the lifting shaft (6).

5. The vibrating hammer with the inner spring vibration isolation according to claim 4, wherein: the lifting hole is circular.