阅读说明：本技术 一种液压挖掘机打桩设备 (Hydraulic excavator piling equipment ) 是由 刘继业 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种液压挖掘机打桩设备,其结构包括机身、履带、打桩设备,机身的底部设有履带,履带设有两个,且分别位于机身的两端,打桩设备安装在机身的前端,打桩设备包括支撑柱、限位座、打桩装置,打桩装置包括安装座、液压座、升降柱、缓冲装置、撞击装置,缓冲装置包括缓冲块、液压油槽、卡位块、通油槽、活动块,通油槽包括槽体、出油口、挡油块、连接槽,本发明利用活动块能够挤压液压油槽内部的液压油,而让液压油从通油槽中往外排出,使得活动块能够进行收缩,从而让撞击装置得到缓冲,避免机身受到的震动过大而造成偏移的情况,使得撞击装置能够精准的对桩柱进行撞击。(The invention discloses a hydraulic excavator piling device which structurally comprises a machine body, two caterpillar bands and a piling device, wherein the caterpillar bands are arranged at the bottom of the machine body, the hydraulic oil pressing device is characterized in that the hydraulic oil pressing device is respectively positioned at two ends of the machine body, the piling equipment is arranged at the front end of the machine body and comprises a supporting column, a limiting seat and a piling device, the piling device comprises a mounting seat, a hydraulic seat, a lifting column, a buffering device and a striking device, the buffering device comprises a buffering block, a hydraulic oil tank, a clamping block, an oil through tank and a movable block, the oil through tank comprises a tank body, an oil outlet, an oil blocking block and a connecting tank, the hydraulic oil pressing device utilizes the movable block to press hydraulic oil in the hydraulic oil tank and enables the hydraulic oil to be discharged from the oil through tank to the outside so that the movable block can be contracted, thereby let percussion device obtain the buffering, avoid the too big condition that causes the skew of vibrations that the fuselage received for percussion device can be accurate carry out the striking to the stake.)

1. The utility model provides a hydraulic excavator pile driving equipment, its structure includes fuselage (1), track (2), pile driving equipment (3), the bottom of fuselage (1) is equipped with track (2), track (2) are equipped with two, and are located the both ends of fuselage (1) respectively, the front end at fuselage (1), its characterized in that are installed in pile driving equipment (3):

the pile driving device (3) comprises a supporting column (31), a limiting seat (32) and a pile driving device (33), wherein the supporting column (31) is clamped at the front end of the machine body (1), the limiting seat (32) is installed at the bottom end of the supporting column (31), and the pile driving device (33) is installed at the front end of the supporting column (31).

2. The hydraulic excavator piling device of claim 1, wherein: the pile driving device (33) comprises a mounting seat (331), a hydraulic seat (332), a lifting column (333), a buffering device (334) and a striking device (335), wherein the rear end of the mounting seat (331) is welded on a limiting seat (32), the hydraulic seat (332) is mounted at the front end of the mounting seat (331), the lifting column (333) is movably matched with the hydraulic seat (332), the buffering device (334) is connected to the bottom end of the lifting column (333), and the striking device (335) is mounted at the bottom of the buffering device (334).

3. A hydraulic excavator piling device according to claim 2 wherein: buffer (334) include buffer block (a1), hydraulic oil groove (a2), screens piece (a3), logical oil groove (a4), movable block (a5), the inside of buffer block (a1) is equipped with hydraulic oil groove (a2), screens piece (a3) is equipped with two, and is located the inside both ends of hydraulic oil groove (a2) respectively, lead to oil groove (a4) and set up the side top at hydraulic oil groove (a2), movable block (a5) block is in hydraulic oil groove (a 2).

4. A hydraulic excavator piling device according to claim 3 wherein: the oil through groove (a4) comprises a groove body (a41), an oil outlet (a42), an oil blocking block (a43) and a connecting groove (a44), the front end of the groove body (a41) is provided with the oil outlet (a42), the side end of the oil outlet (a42) is arc-shaped, the number of the oil blocking blocks (a43) is six, the oil blocking blocks are arranged in a group of three oil blocking blocks and are arranged on the upper end face and the lower end face of the groove body (a41), and the connecting groove (a44) is located at the rear end of the groove body (a 41).

5. A hydraulic excavator piling device according to claim 2 wherein: percussion device (335) is including striking piece (b1), oil gallery (b2), oil baffle (b3), striking body (b4), the inside of striking piece (b1) is cut open empty form, oil gallery (b2) are located the inside top of striking piece (b1), oil baffle (b3) are equipped with two, and are located the both ends of oil gallery (b2) respectively, striking body (b4) block in the centre of oil gallery (b 2).

6. The hydraulic excavator piling device of claim 5, wherein: the oil baffle plate (b3) comprises an oil return hole (b31), oil passing holes (b32) and a fixed seat (b33), wherein the oil return hole (b31) is formed in the bottom end of the oil baffle plate (b3), the oil passing holes (b32) are more than three and vertically arranged in the oil baffle plate (b3), and the fixed seat (b33) is provided with two oil returning holes and is respectively embedded at the upper end and the lower end of the oil baffle plate (b 3).

7. The hydraulic excavator piling device of claim 6, wherein: the oil through hole (b32) comprises a hole body (c1), a through hole (c2) and a flow deflector (c3), wherein the end face of the hole body (c1) is arc-shaped, the through hole (c2) is arranged at the front end of the hole body (c1), and the flow deflectors (c3) are four in number and are arranged in a surrounding mode.

Technical Field

The invention relates to the field of hydraulic pressure, in particular to piling equipment of a hydraulic excavator.

Background

Excavator formula pile driver mainly carries out the pile to miniature building, has better flexibility, can work in comparatively narrow place, and the top of advancing the stake through the cover barrel sleeve in the pile driving, then the top of beating the pile repeatedly through the hydraulic hammer for the stake can insert in soil.

Based on the findings of the inventor, the existing hydraulic excavator piling equipment mainly has the following defects, for example: because pile equipment is connected in the fuselage, the hydraulic hammer strikes the top of stake repeatedly when pile equipment carries out work, and the produced vibrations of striking can drive whole fuselage and shake for the offset at fuselage place leads to the hydraulic hammer to hit the position deviation that the stake appears.

Disclosure of Invention

In view of the above problems, the present invention provides a hydraulic excavator piling device.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a hydraulic excavator pile equipment, its structure includes fuselage, track, pile equipment, the bottom of fuselage is equipped with the track, the track is equipped with two, and is located the both ends of fuselage respectively, the front end at the fuselage is installed to pile equipment, pile equipment includes support column, spacing seat, pile device, the block of support column is in the front end of fuselage, the bottom at the support column is installed to spacing seat, the front end at the support column is installed to the pile device.

Further, the pile driving device includes mount pad, hydraulic pressure seat, lift post, buffer, ram, the rear end of mount pad welds in spacing seat, the front end at the mount pad is installed to the hydraulic pressure seat, lift post and hydraulic pressure seat clearance fit, buffer connects in the bottom of lift post, ram installs the bottom at buffer, buffer and ram clearance fit.

Furthermore, buffer includes buffer block, hydraulic tank, screens piece, leads to oil groove, movable block, the inside of buffer block is equipped with hydraulic tank, the screens piece is equipped with two, and is located hydraulic tank's inside both ends respectively, lead to the oil groove and set up the side top at hydraulic tank, the movable block is in hydraulic tank, the hydraulic oil clearance fit in hydraulic tank of movable block and hydraulic tank.

Furthermore, lead to the oil bath including cell body, oil-out, oil baffle piece, spread groove, the front end of cell body is equipped with the oil-out, the side of oil-out is circular-arc, oil baffle piece is equipped with six, and uses three to install as a set of upper and lower terminal surface at the cell body, the spread groove is located the rear end of cell body, two liang of crisscross installations between the oil baffle piece.

Further, the striking device includes striking piece, oil gallery, fender oil board, striking body, the inside of striking piece is for cutting open empty form, the oil gallery is located the inside top of striking piece, it is equipped with two to keep off the oil board, and is located the both ends of oil gallery respectively, striking body block is in the middle of the centre of oil gallery, the both ends of oil gallery are circular-arcly, and highly are higher than the bottom terminal surface of oil gallery.

Furthermore, the oil baffle plate comprises oil return holes, oil through holes and a fixing seat, the oil return holes are formed in the bottom end of the oil baffle plate, the oil through holes are more than three and are vertically arranged in the oil baffle plate, the fixing seat is provided with two oil through holes which are respectively embedded and fixed at the upper end and the lower end of the oil baffle plate, and the aperture of each oil through hole is gradually reduced from the front end to the rear end.

Further, the oil through hole includes the hole body, opening, water conservancy diversion piece, the terminal surface of the hole body is circular-arc, the opening sets up the front end at the hole body, the water conservancy diversion piece is equipped with four, and is to encircle the form and arrange, the water conservancy diversion piece is circular-arc.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the movable block can be used for extruding the hydraulic oil in the hydraulic oil tank, so that the hydraulic oil is discharged from the oil through tank, the movable block can be contracted, the impact device is buffered, the situation that the machine body is deviated due to overlarge vibration is avoided, and the impact device can accurately impact the pile.

2. According to the invention, the aperture of the oil through hole in the oil baffle plate is gradually reduced from the front end to the rear end, so that hydraulic oil can quickly flow back, and the hydraulic oil in the oil return groove slowly flows out, therefore, the impact body can be buffered by the oil pressure of the hydraulic oil, and the deviation of the machine body caused by large vibration can be avoided.

Drawings

Fig. 1 is a front view of a pile driving device of a hydraulic excavator.

Figure 2 is a schematic diagram of the piling rig of the present invention.

Fig. 3 is a schematic cross-sectional view of the piling device of the present invention.

Fig. 4 is a schematic cross-sectional structural view of the buffering device of the present invention.

Fig. 5 is a schematic sectional structure view of the oil through groove of the present invention.

Fig. 6 is a schematic cross-sectional view of a percussion device according to the present invention.

FIG. 7 is a schematic cross-sectional view of an oil deflector according to the present invention.

FIG. 8 is a side view of the oil hole of the present invention.

In the figure: the hydraulic pile driver comprises a machine body 1, a crawler 2, pile driving equipment 3, a supporting column 31, a limiting seat 32, a pile driving device 33, a mounting seat 331, a hydraulic seat 332, a lifting column 333, a buffer device 334, an impact device 335, a buffer block a1, a hydraulic oil groove a2, a clamping block a3, an oil through groove a4, a movable block a5, a groove body a41, an oil outlet a42, an oil blocking block a43, a connecting groove a44, an impact block b1, an oil return groove b2, an oil blocking plate b3, an impact body b4, an oil return hole b31, an oil through hole b32, a fixing seat b33, a hole body c1, a through hole c2 and a flow deflector c 3.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The first embodiment is as follows: referring to fig. 1-5, the embodiments of the present invention are as follows:

its structure includes fuselage 1, track 2, pile equipment 3, the bottom of fuselage 1 is equipped with track 2, track 2 is equipped with two, and is located the both ends of fuselage 1 respectively, pile equipment 3 is installed at the front end of fuselage 1, pile equipment 3 includes support column 31, spacing seat 32, pile device 33, the block of support column 31 is in the front end of fuselage 1, the bottom at support column 31 is installed to spacing seat 32, the front end at support column 31 is installed to pile device 33.

The pile driving device 33 comprises a mounting seat 331, a hydraulic seat 332, a lifting column 333, a buffering device 334 and a striking device 335, the rear end of the mounting seat 331 is welded to the limiting seat 32, the hydraulic seat 332 is mounted at the front end of the mounting seat 331, the lifting column 333 is movably matched with the hydraulic seat 332, the buffering device 334 is connected to the bottom end of the lifting column 333, the striking device 335 is mounted at the bottom of the buffering device 334, the buffering device 334 is movably matched with the striking device 335, so that the impact between the striking device 335 and the pile column is facilitated, and the whole pile driving device 3 is buffered.

Buffer 334 includes buffer block a1, hydraulic tank a2, screens piece a3, leads to oil groove a4, movable block a5, buffer block a 1's inside is equipped with hydraulic tank a2, screens piece a3 is equipped with two, and is located hydraulic tank a 2's inside both ends respectively, lead to oil groove a4 and set up the side top at hydraulic tank a2, movable block a5 block is in hydraulic tank a2, the hydraulic oil movable fit in movable block a5 and the hydraulic tank a2 is favorable to can extrude the inside hydraulic oil of hydraulic tank a2 through movable block a5, and let hydraulic oil follow and discharge toward outside in leading to oil groove a4 for movable block a5 can contract.

The oil through groove a4 comprises a groove body a41, an oil outlet a42, an oil blocking block a43 and a connecting groove a44, wherein the oil outlet a42 is arranged at the front end of the groove body a41, the side end of the oil outlet a42 is arc-shaped, the oil blocking block a43 is six and is installed on the upper end face and the lower end face of the groove body a41 by taking three oil blocks as a group, the connecting groove a44 is located at the rear end of the groove body a41, the oil blocking blocks a43 are installed in a pairwise staggered mode, the flow area of hydraulic oil is favorably reduced through the oil blocking blocks a43, and the hydraulic oil can slowly flow out of the groove body a 41.

Based on the above embodiment, the specific working principle is as follows: when the impact device 335 repeatedly impacts the pile to cause the impact to generate vibration that causes deviation to the body 1, the buffer device 334 may be movably engaged with the impact device 335, when the impact device 335 collides with the pile, the whole pile driving apparatus 3 is buffered, the movable block a5 of the buffer device 334 is movably engaged with the hydraulic oil in the hydraulic oil groove a2, the movable block a5 may squeeze the hydraulic oil in the hydraulic oil groove a2, and the hydraulic oil is discharged from the oil through groove a4, so that the movable block a5 may contract, so that the impact device 335 is buffered, and finally, the oil blocking blocks a43 are installed in the oil through groove a41 in a staggered manner, so that the oil blocking blocks a43 may reduce the flow area of the hydraulic oil, so that the hydraulic oil may slowly flow out from the groove body a41, so that the movable block a5 may be buffered, thereby preventing the body 1 from being subjected to excessive vibration, causing an offset condition.

Example two: referring to fig. 6-8, the embodiment of the present invention is as follows:

percussion device 335 includes striking piece b1, oil gallery b2, oil baffle b3, impact body b4, striking piece b 1's inside is cut open empty form, oil gallery b2 is located striking piece b 1's inside top, oil baffle b3 is equipped with two, and is located oil gallery b 2's both ends respectively, impact body b4 block is in the middle of oil gallery b2 is positive, oil gallery b 2's both ends are circular-arc, and highly are higher than oil gallery b 2's bottom terminal surface, are favorable to letting the hydraulic oil in oil gallery b2 can flow down automatically when impact body b4 does not receive the striking.

Oil baffle b3 includes oil return hole b31, oil through hole b32, fixing base b33, oil return hole b31 sets up the bottom at oil baffle b3, oil through hole b32 is equipped with more than three, and the vertical alignment is in oil baffle b3, fixing base b33 is equipped with two, and inlays respectively at oil baffle b 3's upper and lower both ends, the aperture that passes through oil hole b32 is dwindled by the front end rear end gradually, is favorable to letting the quick backward flow that carries on of hydraulic oil.

Oil hole b32 includes the hole body c1, opening c2, water conservancy diversion piece c3, the terminal surface of the hole body c1 is circular-arc, opening c2 sets up the front end at hole body c1, water conservancy diversion piece c3 is equipped with four, and is to encircle the form and arrange, water conservancy diversion piece c3 is circular-arc, is favorable to letting hydraulic oil flow along water conservancy diversion piece c 3's terminal surface.

Based on the above embodiment, the specific working principle is as follows: utilize oil return groove b 2's both ends to be circular-arc, can let the hydraulic oil in oil return groove b2 can flow down automatically when impact body b4 does not receive the striking, it is convenient to obtain the buffering in impact body b4 next time work, the aperture that leads to oilhole b32 in oil baffle b3 sets up to dwindling gradually by the front end to the rear end again, can let the quick backward flow that carries out of hydraulic oil, and let the slow outward outflow of hydraulic oil in arranging oil return groove b2 in, thereby can let impact body b4 obtain the buffering through the oil pressure of hydraulic oil, finally let hydraulic oil flow along the terminal surface of water conservancy diversion piece c3, make hydraulic oil can be the inside that the spiral turned into oil return groove b2, accelerate the oil return speed of hydraulic oil.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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.