CN217811003U

CN217811003U - Pile hammer for hydraulic vibration pile driver

Info

Publication number: CN217811003U
Application number: CN202221681397.1U
Authority: CN
Inventors: 桓清军; 郭凯哲; 格辉朝; 郝茹茹
Original assignee: Hebei Shankai Hydraulic Technology Co ltd
Current assignee: Hebei Shankai Hydraulic Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-15
Anticipated expiration: 2032-06-30

Abstract

The utility model relates to the technical field of pile hammer, in particular to a pile hammer for a hydraulic vibration pile driver, which comprises a fixed frame detachably connected with the pile driver, a cylinder body arranged in the fixed frame, and a hammer body arranged in the cylinder body and driven by the pile driver, wherein the bottom end of the hammer body is detachably connected with a mounting seat, and the mounting seat is provided with a clamping component which can clamp the pile body; clamping unit is including rotating the double-threaded screw of connection in the mount pad and driving double-threaded screw pivoted driving motor, double-threaded screw symmetric thread is connected with the slider, the spout has been seted up to the mount pad lower surface, the slider all can be dismantled and be connected with the arm lock, the arm lock all with spout sliding connection and the arm lock bottom stretch out the spout and be used for pressing from both sides tightly the pile body, through setting up driving motor, double-threaded screw and slider etc. not only can press from both sides the convenient clamp of not unidimensional pile body, and can effectually end the arm lock and appear becoming flexible between the pile body.

Description

Pile hammer for hydraulic vibration pile driver

Technical Field

The application relates to the technical field of pile hammers, and specifically discloses a pile hammer for hydraulic vibration pile driver.

Background

The pile hammering method is a construction method for sinking a pile body to a designed standard height by utilizing repeated jumping impact force of various pile hammers and dead weight of the pile body and overcoming the side wall friction resistance of the pile body and the resistance of a pile end soil layer, and among various pile hammers, the vibration pile hammer is the most common.

The utility model discloses a chinese utility model with patent publication number CN207376621U discloses a pile hammer for hydraulic vibration pile driver, including connecting seat and hydro-cylinder temperature alarm device, the top of connecting seat is equipped with the spliced pole, the lower extreme of connecting seat is equipped with the drive shaft, one side of travelling arm is equipped with damping device, and damping device's below is equipped with the pile hammer body, the both sides of pile hammer body all are equipped with travelling arm fixing device, and the below of travelling arm fixing device is equipped with the camera, hydro-cylinder temperature alarm device's upper end is equipped with hydraulic motor, and hydro-cylinder temperature alarm device's below is equipped with powerful oil pressure cylinder, the below of powerful oil pressure cylinder is equipped with the work and presss from both sides the mouth.

The utility model discloses a although can reduce the vibration that the during operation produced and realize the super high early warning of oil pressure cylinder temperature, however, this utility model discloses a mode that the work presss from both sides the mouth and presss from both sides tightly, only can press from both sides tightly the pile body of single size on the one hand, when needing to pile to the pile body of unidimensional not, then need change the work clamp mouth, the process is loaded down with trivial details, the troublesome poeration, and in the in-process of piling, work clamp mouth appears becoming flexible easily, lead to the pile body to break away from work clamp mouth, thereby influence the pile effect, therefore, the inventor is in view of this, a pile hammer for hydraulic vibration pile driver is provided, so as to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve traditional pile hammer when piling to not unidimensional pile body, need change the work clamping jaw, lead to the loaded down with trivial details, the troublesome poeration's of pile process problem of piling.

In order to achieve the above object, the present invention provides a pile driving hammer for a hydraulic vibration pile driver, which includes a fixing frame detachably connected to the pile driving hammer, a cylinder disposed in the fixing frame, and a hammer body disposed in the cylinder and driven by the pile driving hammer, wherein the bottom end of the hammer body is detachably connected to a mounting base, and the mounting base is provided with a clamping assembly capable of clamping the pile body;

clamping component is including rotating the double-threaded screw of connection in the mount pad and can driving double-threaded screw pivoted driving motor, and double-threaded screw symmetry threaded connection has the slider, and the spout has been seted up to the mount pad lower surface, and the slider all can be dismantled and be connected with the arm lock, and the arm lock all with spout sliding connection and the arm lock bottom stretch out the spout and be used for pressing from both sides tightly the pile body.

The principle and effect of this basic scheme lie in:

1. compared with the prior art, the utility model discloses a driving motor drive double threaded screw rotates to make two sliders remove relatively or in opposite directions, drive two arm lock and remove relatively or in opposite directions, thereby be convenient for adjust the distance between two arm lock, and then can press from both sides tightly the pile body of not using the size, need not change clamping components, make the convenient and fast more of process of pile.

2. Compared with the prior art, the utility model discloses self-locking performance between make full use of double-end screw and the slider prevents effectually that the slider from rocking at the in-process of pile to it is not hard up to prevent to appear between arm lock and the pile body, and then has improved the pile effect.

3. Compared with the prior art, the utility model discloses a set up driving motor, double-end screw and slider etc. not only can press from both sides the convenience to not unidimensional pile body and press from both sides tightly, and can effectually end appearing not hard up between arm lock and the pile body, solved the pile hammer of uniting when piling to not unidimensional pile body, need change the work clamp mouth, lead to the pile process loaded down with trivial details, the problem of troublesome poeration, it is not hard up to have still solved the work clamp mouth simultaneously and appear easily, lead to the pile body to break away from the work clamp mouth, thereby influence the problem of pile effect.

Furthermore, driving motor detachable connection is in the mount pad, and driving motor's output shaft coaxial coupling has the worm, and double-end screw rod coaxial coupling has the worm wheel supporting with the worm. The motor passes through the transmission of worm and worm wheel to the drive double threaded screw rotates, under the auto-lock performance that utilizes double threaded screw, still utilizes the auto-lock performance between worm and the worm wheel, thereby further prevents that the slider from rocking at the in-process of pile, thereby prevents to appear becoming flexible between arm lock and the pile body, has further improved the pile effect.

Furthermore, a limiting groove is formed in the mounting seat, and the sliding block is connected with the limiting groove in a sliding mode. The limiting groove plays a role in limiting and guiding the sliding of the sliding block, and the compactness of the structure is improved.

Furthermore, the cross section of the limiting groove is in a dovetail shape. The limiting groove with the dovetail-shaped cross section can also play a role in preventing separation.

Further, evenly be equipped with a plurality of direction coupling assembling between mount and the mount pad. The direction coupling assembling prevents that pile in-process from producing the skew between mount pad and the mount, and then improves the precision of pile.

Furthermore, the guiding and connecting assembly comprises a fixed sleeve fixedly connected with the fixed frame and a fixed shaft fixedly connected with the mounting seat, and the top end of the fixed shaft extends into the fixed sleeve and is provided with a connecting spring between the top end of the fixed shaft and the inner bottom surface of the fixed sleeve. Through the relation of the fixed shaft and the fixed sleeve in sliding connection, the fixed frame is connected with the mounting seat, and the relative sliding between the fixed frame and the mounting seat is not influenced.

Furthermore, a hydraulic cavity is arranged in the barrel, an oil path pipeline is communicated with the side wall of the barrel, an auxiliary oil pump is arranged on the oil path pipeline, a pressure plate connected in the hydraulic cavity in a sliding and sealing mode is arranged at the top end of the hammer body, and a buffer spring is arranged between the pressure plate and the bottom of the hydraulic cavity. Oil is filled into the hydraulic cavity through the auxiliary oil pump and the oil way pipeline, so that the pressure applied to the hammer body is increased, the effect of assisting in piling is achieved, and the piling effect is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 shows a schematic view of a pile driving hammer for a hydraulic vibratory pile driver according to an embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a fixed frame 1, a cylinder 2, a pressure plate 3, a hammer body 4, a buffer spring 5, a guide groove 6, a mounting seat 7, a clamping arm 8, a double-end screw 9, a fixed sleeve 10, a fixed shaft 11, a connecting spring 12, a worm wheel 13 and a worm 14.

A pile driving hammer for a hydraulic vibratory pile driver, the embodiment shown in fig. 1: including the mode through bolted connection and pile driver can dismantle mount 1 of being connected, establish barrel 2 in mount 1, establish in barrel 2 and can be by pile driver driven hammer block 4, be equipped with the hydraulic pressure chamber in

barrel

2, 2 lateral walls of barrel intercommunication have the oil circuit pipeline, be equipped with the auxiliary oil pump on the oil circuit pipeline, the top of hammer block 4 is equipped with the pressure plate 3 of slip sealing connection in the hydraulic pressure intracavity, be equipped with buffer spring 5 between pressure plate 3 and the hydraulic pressure chamber bottom, for preventing hammer block 4 and barrel 2 relative rotation, evenly set up a plurality of vertical guide ways 6 at the hydraulic pressure intracavity wall, the lateral wall of pressure plate 3 is equipped with the guide block with 6 adaptations of guide way, guide block and 3 integrated into one piece of pressure plate.

The bottom of the hammer body 4 extends out of the hydraulic cavity and is detachably connected with an installation seat 7 through a bolt connection mode, a clamping assembly capable of clamping the pile body is arranged on the installation seat 7 and comprises a driving motor detachably connected in the installation seat 7, a worm 14 connected with an output shaft of the driving motor through a connecting shaft and a double-end screw 9 rotatably connected in the installation seat 7, a worm wheel 13 matched with the worm 14 is arranged in the middle of the double-end screw 9, a sliding block is symmetrically and threadedly connected with the double-end screw 9, a limiting groove with a dovetail-shaped cross section is formed in the installation seat 7, the sliding block is matched with the limiting groove and is in sliding connection with the limiting groove, a sliding groove is formed in the lower surface of the installation seat 7, clamping arms 8 are detachably connected with the sliding groove, the clamping arms 8 are all in sliding connection with the sliding groove, the sliding grooves extending out of the bottoms of the clamping arms 8 are used for clamping the pile body, a plurality of elastic rubber strips are arranged on the sections of the opposite sides of the sliding groove portions extending out of the clamping arms 8, and friction force between the clamping arms 8 and the pile body is improved.

A plurality of guiding connection assemblies are uniformly arranged between the fixed frame 1 and the mounting seat 7, each guiding connection assembly comprises a fixed sleeve 10 fixedly connected with the fixed frame 1 and a fixed shaft 11 fixedly connected with the mounting seat 7, and the top end of each fixed shaft 11 extends into the corresponding fixed sleeve 10 and is provided with a connection spring 12 between the top end of each fixed shaft and the inner bottom surface of the corresponding fixed sleeve 10. The fixed frame 1 and the mounting seat 7 are connected through the sliding connection relationship between the fixed shaft 11 and the fixed sleeve 10, and the relative sliding between the fixed frame 1 and the mounting seat 7 is not influenced.

The utility model discloses in, hammer block 4 can directly connect through mount 1, and carry out the pile to the pile body by the drive of pile driver, the oil pressure that also can receive the auxiliary oil pump carries out the pile to the pile body, in the tight in-process of clamp to the pile body, rotate through driving motor drive worm 14, worm 14 drives worm wheel 13 and rotates, and then drive double-end screw 9 and rotate, thereby make two sliders remove relatively or in opposite directions, it removes relatively or in opposite directions to drive two arm lock 8, thereby be convenient for adjust the distance between two arm lock 8, and then can press from both sides tightly the pile body of not using the size, need not change clamping components, make the convenient and fast more of the process of pile, and at the in-process of pile, make full use of self-locking performance between double-end screw 9 and the slider and the self-locking performance between worm 14 and the worm wheel 13, effectually prevent that the slider from rocking at the in-process of pile, thereby prevent to appear becoming flexible between arm lock 8 and the pile body, and then improved the pile effect, and direction coupling assembling can prevent at the in-process, mount 7 and pile 1 produce, and then improve the skew precision of pile.

Compared with the prior art, the utility model discloses a set up driving motor, double-end screw 9 and slider etc, not only can press from both sides the convenience of not unidimensional pile body tightly, and can effectually end appearing not hard up between arm lock 8 and the pile body, the pile hammer of having solved the system is when piling to not unidimensional pile body, need change the work clamp mouth, lead to the pile process loaded down with trivial details, the problem of troublesome poeration, it is not hard up to have still solved the work clamp mouth simultaneously and appear easily, lead to the pile body to break away from the work clamp mouth, thereby influence the problem of pile effect.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a pile hammer for hydraulic pressure vibration pile driver which characterized in that: the pile driver comprises a fixed frame detachably connected with a pile driver, a cylinder body arranged in the fixed frame, and a hammer body arranged in the cylinder body and driven by the pile driver, wherein the bottom end of the hammer body is detachably connected with a mounting seat, and the mounting seat is provided with a clamping assembly capable of clamping the pile body;

clamping components is including rotating the double threaded screw of connection in the mount pad and can driving double threaded screw pivoted driving motor, and double threaded screw symmetry threaded connection has the slider, and the spout has been seted up to the mount pad lower surface, and the slider all can be dismantled and be connected with the arm lock, and the arm lock all with spout sliding connection and the arm lock bottom stretch out the spout and be used for pressing from both sides tightly the pile body.

2. The pile hammer for a hydraulic vibration pile driver of claim 1, wherein the driving motor is detachably connected in the mounting seat, an output shaft of the driving motor is coaxially connected with a worm, and the double-threaded screw is coaxially connected with a worm wheel matched with the worm.

3. The hammer of claim 1, wherein the mounting seat is provided with a limiting groove, and the sliding block is slidably connected with the limiting groove.

4. A hammer for a hydraulic vibratory pile driver as set forth in claim 3, wherein the limiting groove is dovetail-shaped in cross-section.

5. The hammer of claim 1, wherein a plurality of guide connection assemblies are uniformly arranged between the fixing frame and the mounting base.

6. The hammer as set forth in claim 5, wherein the guide coupling assembly includes a fixing sleeve fixedly coupled to the fixing frame and a fixing shaft fixedly coupled to the mounting base, and a coupling spring is provided between a top end of the fixing shaft extending into the fixing sleeve and an inner bottom surface of the fixing sleeve.

7. The pile driving hammer for the hydraulic vibration pile driver as claimed in claim 1, wherein a hydraulic cavity is arranged in the cylinder, an oil pipeline is communicated with the side wall of the cylinder, an auxiliary oil pump is arranged on the oil pipeline, a pressure plate which is connected in the hydraulic cavity in a sliding and sealing manner is arranged at the top end of the hammer body, and a buffer spring is arranged between the pressure plate and the bottom of the hydraulic cavity.