KR102640403B1 - The vibro hammer with side gripper - Google Patents

Abstract

A bracket member coupled to heavy equipment equipped with a hydraulic system; a body member rotatably coupled to the bracket member and generating vibration; and a side grip member for gripping the file so that the vibration is applied to the file, wherein the side grip member is provided with a gripper portion at one end and has an upper and lower portion of the body member such that the gripper portion protrudes outward from the body member. An arm module that is provided as a dual type by combining a pair of each, a gripping module that is replaced according to the shape of the outer surface of the file and coupled to each gripper portion, and an arm driving module that drives the arm module and provides gripping force. It provides a side grip vibrating hammer comprising a.

Description

The vibro hammer with side gripper}

The present invention relates to a side grip vibrating hammer, which is capable of gripping regardless of the shape of the object to be gripped and has improved gripping force while minimizing damage to the gripped area.

In construction fields such as bridges and concrete buildings, foundation work is carried out to ensure that the ground can withstand the weight of the structure. Foundation work is performed including driving work to drive concrete piles, steel pipe piles, H-beams, etc. into the ground. Therefore, the softer the ground, the more important the structure construction process is foundation construction through driving work.

General driving equipment is equipped with a combination of drop hammers, diesel hammers, or vibro hammers, but recent driving work is increasingly using vibro hammers, which are relatively quiet and can reduce friction between piles and the ground. Driving work using a vibro hammer is a method of driving a pile into the ground by fixing the pile with a vibro hammer and then applying vibration to vibrate the chuck in the driving direction (perpendicular to the pile). The vibro hammer is installed on the boom of construction machinery such as an excavator, shovel, etc. to perform pile penetration work.

Regarding the vibro hammer, Korean Patent No. 10-2067301 includes a body (1) that can be attached to a power tool, a vibration device (6) attached to the body (1) by damping cushions (9), and A movable grip for holding an object being hammered by the side grip of the grip element (10) of the grip jaw (10), which is applied to the vibrating device (6) and can be opened or closed by means of an adjustment unit such as a hydraulic cylinder (16). Includes jaws 10. In order to maintain mutual symmetry of the grip jaws 10 while the grip jaws 10 move, arms 2 and 3 are firmly attached at the positions of the rotation joints 8 of the grip jaws. 3) The ends of the arms are oriented sideways to each other, and the grip jaws 10 are positioned next to each other during the rotational movement, and the ends of the arms 2 and 3 are pivotally mounted to each other. (4), it is known about 'hammering devices connected to each other', and in Korean Patent No. 10-2259106, 'a first grip part that contacts one side of the pile is formed at one end and is attached to the vibration device. 1 A first grip member rotatably coupled through a pivot portion, a second grip portion formed at one end in contact with the other side of the file, and rotatably coupled to the vibrating device through a second pivot portion; One end is connected to the other end of the first grip member through a third pivot portion, and the other end is connected to the other end of the second grip member through a fourth pivot portion to adjust the gap between the first grip portion and the second grip portion during operation. A cylinder device, one end of which is rotatably connected to the first grip member and the other end of which is rotatably connected to the second grip member, make the first grip member and the second grip member symmetrical to each other when the cylinder device is operated. A side gripper including a link member that rotates and a link member included therein has been known. However, in the above techniques, a difference may occur in the height of the left and right grip parts during the gripping operation of the grip jaw, and the area where the file can be gripped is relatively reduced by the link member, thereby weakening the gripping force.

Korean Patent No. 10-2067301 (registration date: January 10, 2020) Korean Patent No. 10-2259106 (Registration Date: May 26, 2021)

The technical problem to be achieved by the present invention is to provide a side grip vibrating hammer that can automatically grip and insert piles for driving work and ensure safety and efficiency of work by excluding workers from pile insertion work. there is.

In addition, another technical problem to be achieved by the present invention is to provide a side grip vibrating hammer that can perform driving work regardless of the shape of the pile.

Furthermore, another technical problem to be achieved by the present invention is to provide a side grip vibrating hammer that can further reinforce the gripping force while making the gripping force for the pile uniform.

The purpose of the present invention is not limited to the purposes mentioned above, and other purposes not mentioned will be clearly understood by those skilled in the art from the description below.

In order to solve the above problem, the present invention includes a bracket member coupled to heavy equipment equipped with a hydraulic system; a body member rotatably coupled to the bracket member and generating vibration; and a side grip member for gripping the file so that the vibration is applied to the file, wherein the side grip member is provided with a gripper portion at one end and has an upper and lower portion of the body member such that the gripper portion protrudes outward from the body member. An arm module that is provided as a dual type by combining a pair of each, a gripping module that is replaced according to the shape of the outer surface of the file and coupled to each gripper portion, and an arm driving module that drives the arm module and provides gripping force. A side grip vibrating hammer may be provided, characterized in that it includes a.

The body member may include a gearbox module that generates vibration, and a housing module that is rotatably coupled to the bracket member and accommodates the gearbox module therein.

The housing module has a pair of partition walls located at a predetermined interval from the inside of both sides, and the gearbox module and the other end area of the arm module are accommodated at the upper and lower parts of the gearbox module in the space between the partition walls. You can.

The body member may include a vibration reduction module interposed between the partition wall and one side of the housing module and between the partition wall and the other side of the housing module.

The arm driving module includes a first hydraulic unit coupled to the other end of the arm module, a hinge portion coupled between the arm modules, and a cylinder rod coupled to the hinge center of the hinge portion and fixed to the body member. 2 May include a hydraulic unit.

The arm driving module may drive the arm module by providing driving fluid to the first hydraulic unit and the second hydraulic unit at the same time.

The arm driving module may include an arm support portion that penetrates and supports the other ends of the upper and lower arm modules located in a vertical line.

The gripping module may include a gripper coupling part that is replaceably coupled to the gripper part, and a gripping part that has one end surface corresponding to the outer surface of the file to grip an object.

The gripping part includes a first gripping member having one end in contact with the outer surface of the pile and having a surface roughness and a hemispherical groove at the other end, and a second gripping member having a hemispherical protrusion fitted into the groove. It may be formed by a combination of .
In addition, a bracket member coupled to heavy equipment equipped with a hydraulic system; a body member rotatably coupled to the bracket member and generating vibration; and a side grip member for gripping the file so that the vibration is applied to the file, wherein the side grip member is provided with a gripper portion at one end and has an upper and lower portion of the body member such that the gripper portion protrudes outward from the body member. An arm module that is provided as a dual type by combining a pair of each, a gripping module that is replaced according to the shape of the outer surface of the file and coupled to each gripper portion, and an arm driving module that drives the arm module and provides gripping force. It includes a hinge axis 120 formed on the upper side of the body member 200, so that the body member 200 and the bracket member 100 are hinged, and a cylinder module 110 is installed at an angle on the edge of the bracket member 100. ) is connected to the upper part of the body member 200, so that the body member 200 rotates the hinge axis 120 as a rotation axis in response to the operation of the cylinder module 110, and the arm driving module is connected to the upper part of the arm module. It includes a first hydraulic part each coupled to the other end, a hinge part coupled between the arm modules, and a second hydraulic part in which a cylinder rod is coupled to the hinge center of the hinge part and is fixed to the body member, and the gripping module It includes a gripper coupling part that is replaceably coupled to the gripper part, and a gripping part that has one end surface corresponding to the outer surface of the file to grip an object, and the gripping part is in contact with the outer surface of the file and has a surface roughness. It has one end surface and the other end is formed by combining a first gripping body with a hemispherical groove and a second gripping body with a hemispherical protrusion fitted into the groove.

The side grip vibrating hammer according to an embodiment of the present invention can automatically grip a pile with a side grip member loaded due to a body member that can rotate with respect to the bracket member, and also automatically performs the insertion of the pile for driving work. It has the advantage of ensuring the safety and efficiency of work by excluding workers from the pile insertion work. In addition, thanks to the replaceable gripping module, driving work can be performed with a single side grip vibrating hammer regardless of the shape of the pile. Furthermore, the hinge portion and hydraulic portion of the arm drive module ensure uniform gripping force on the pile. At the same time, it has the effect of further strengthening the gripping force.

1 is a perspective view showing a side grip vibrating hammer gripping a sheet pile according to an embodiment of the present invention;
Figure 2 is a perspective view showing a side grip vibrating hammer gripping a steel pipe pile according to another embodiment of the present invention;
Figure 3 is an exploded perspective view of Figure 1;
Figure 4 is an exploded perspective view of Figure 2;
Figure 5 is a perspective view showing the gearbox module and side grip member of the side grip vibratory hammer according to an embodiment of the present invention;
Figure 6 is an exploded perspective view showing a part of the gearbox module of the side grip vibratory hammer according to an embodiment of the present invention;
Figure 7 is a perspective view showing the gripping state of the side grip member of the side grip vibrating hammer according to an embodiment of the present invention;
Figure 8 is a top view showing the relaxed state of the side grip member of the side grip vibrating hammer according to an embodiment of the present invention;
Figure 9 is an exploded perspective view showing the gripping portion of the side grip member of the side grip vibrating hammer according to an embodiment of the present invention;
Figure 10 is a perspective view showing an inclined state of the side grip vibrating hammer according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. The embodiments introduced below are provided as examples so that the idea of the present invention can be sufficiently conveyed to those skilled in the art. Accordingly, the present invention is not limited to the embodiments described below and may be embodied in other forms. Also, in the drawings, the length and thickness of layers and regions may be exaggerated for convenience. Like reference numerals refer to like elements throughout the specification.

Figure 1 is a perspective view showing a side grip vibrating hammer gripping a sheet pile according to an embodiment of the present invention, Figure 2 is a perspective view showing a side grip vibrating hammer gripping a steel pipe pile according to another embodiment of the present invention; 3 is an exploded perspective view of FIG. 1, FIG. 4 is an exploded perspective view of FIG. 2, FIG. 5 is a perspective view showing the gearbox module and side grip member of a side grip vibrating hammer according to an embodiment of the present invention, and FIG. 6 is an implementation of the present invention. Figure 7 is an exploded perspective view showing a part of the gearbox module of a side grip vibrating hammer according to an example, Figure 7 is a perspective view showing the gripping state of the side grip member of the side grip vibrating hammer according to an embodiment of the present invention, and Figure 8 is an implementation of the present invention. A top view showing a relaxed state of the side grip member of a side grip vibrating hammer according to an example, Figure 9 is an exploded perspective view showing the gripping portion of the side grip member of a side grip vibrating hammer according to an embodiment of the present invention, and Figure 10 is an exploded perspective view of the present invention. This is a perspective view showing the inclined state of the side grip vibrating hammer according to an embodiment of.

1 to 10, the side grip vibrating hammer (10, 10') according to an embodiment of the present invention includes a bracket member (100) coupled to heavy equipment equipped with a hydraulic system; a body member (200) rotatably coupled to the bracket member (100) and generating vibration; and a side grip member 300 for gripping the files so that the vibration is applied to the files 1 and 3, wherein the side grip member 300 is provided with a gripper portion 312 at one end and is attached to the body. An arm module 310 provided in a dual type with a pair coupled to the upper and lower parts of the body member 200 so that the gripper portion 312 protrudes outward from the member 200, and the shape of the outer surface of the pile. It may include a gripping module 320 that is replaced and coupled to each gripper unit 312, and an arm driving module 330 that drives the arm module 310 and provides a gripping force.

In detail, the bracket member 100 is coupled to heavy equipment equipped with a hydraulic system, and the body member 200 can be supported on the boom of the heavy equipment by combining the bracket member 100 and the heavy equipment. The upper part of the body member 200 may be combined in a hinged manner by the bracket member 100 and the hinge axis 120, and may be in a vertical posture as shown in Figure 1 or Figure 2, or the hinge axis 120 By rotating the body member 200 at a predetermined angle (θ) around , the body member 200 can assume an inclined posture at a predetermined angle (θ) with respect to the bracket member 100, as shown in FIG. 10.

The inclination of the body member 200 with respect to the bracket member 100 can be achieved by providing a rotation cylinder module 110. For example, the rotating cylinder module 110 may be installed at an angle, and the rod of the rotating cylinder module 110 may be connected to the upper part of the body member 200. When the rotation cylinder module 110 operates, the body member 200, which was in a vertical position, rotates around the hinge axis 120 and is inclined at a predetermined angle θ with respect to the bracket member 100. can be taken, and because of this, the verticality can be adjusted when entering the pile (1. 3).

The body member 200 that is rotatably coupled to the bracket member 100 and generates vibration may include a swing bearing module 250 in an area coupled to the bracket member 100. That is, the swing bearing module 250 is provided so that the body member 200 can rotate 360 degrees with respect to the bracket member 100, and the body member 200 can be rotated through a hydraulic motor.

The body member 200 includes a gearbox module 210 that generates vibration, and a housing module 220 that is rotatably coupled to the bracket member 100 and accommodates the gearbox module 210 therein. can do. For example, the gearbox module 210 may be provided with a driving gear 214 and an eccentric weight 216 operated by driving a motor 212 to generate vibration, and may be provided with a box-shaped gearbox case. A driving gear 214 and an eccentric weight 216 can be accommodated. A pair of rotation shafts are provided in the gearbox case, and the rotation shafts can be driven in combination with a motor 212. A pair of drive gears 214 and an eccentric weight 216 that rotate in mesh with each other are coupled to each rotation axis, and when the motor 212 is operated, the pair of drive gears 214 are engaged and rotate by the rotation of the rotation shaft. , Vibration is generated by the eccentric rotational force caused by the eccentric weight 216, so that the file can be struck by the vibration.

The housing module 220 is provided with a pair of partition walls 222 located at a predetermined interval from the inside of both sides, and the gearbox module 210 and the upper part of the gearbox module and the space between the partition walls 222. The other end area of the arm module 310 may be accommodated in the lower part.

The body member 200 may include a vibration reduction module 230 interposed between the partition wall 222 and one side of the housing module 220 and between the partition wall 222 and the other side of the housing module. You can. When the gearbox module 210 and the housing module 220 are coupled in contact, the vibration generated in the gearbox module 210 travels through the housing module 220 to the bracket member 100 and the side grip vibration hammers 10 and 10'. ) can be delivered by combined heavy equipment. Therefore, by interposing the vibration reduction module 230 between both sides of the gearbox module 210 and the housing module 220, transmission of vibration to the bracket member 100 and the heavy equipment can be minimized. For example, the vibration reduction module 230 may include a plurality of vibration-proof rubbers 232 and a vibration-proof rubber bracket 234 that couples the vibration-proof rubber 232 to the housing module 220. (232) may be provided in a cylindrical shape having a curved outer peripheral surface depressed inward.

The side grip member 300, which grips the file so that the vibration is applied to the file, is provided with a gripper part 312 at one end and is formed so that the gripper part 312 protrudes outward from the body member 200. Arm modules 310 are provided as a dual type, with one pair each coupled to the upper and lower portions of (200), and are replaced according to the shape of the outer surface of the piles 1 and 3 and coupled to each gripper portion 312. It may include a gripping module 320 that drives the arm module 310 and provides a gripping force. That is, an upper arm module and a lower arm module are provided as two pairs of arms facing each other in a symmetrical structure, and the arm driving module 330 coupled to the other end of the upper arm module and the lower arm module is driven, respectively. By opening or closing the gripper part 312, which is one end of the arm module 310, the gripping module 320 coupled to the gripper part 312 is spaced apart from the files 1 and 3 or is moved to the pile 1. , 3) can be accessed. The arm module 310 couples the rotation support shaft 316, which couples the central area of the arm with the body member 200, to prevent the arm from shaking during the gripping process due to the arm drive module 330 and the rotation support shaft. A rotation support plate 314 may be further provided.

The arm driving module 330 includes a first hydraulic part 331 coupled to the other end of the arm module 310, a hinge part 335 coupled between the arm module 310, and the hinge part. A cylinder rod is coupled to the hinge center of 335 and may include a second hydraulic unit 332 fixed to the body member. That is, the first hydraulic part 331 is coupled to the other ends of the upper and lower arm modules 310 to provide a gripping force, and the second hydraulic part 332 is a hinge part coupled between the arm modules 310. By being connected to the hinge center of (335), the center of gravity is maintained during the hinge movement of the hinge portion (335) by the gripping force of the first hydraulic portion (331), and the gripping force transmitted to the left and right arms can be adjusted to be uniform. In this case, the second hydraulic unit 332 may be fixed to the upper surface 218 of the body member 200 where the gearbox module 210 is accommodated. Therefore, hydraulic force can be provided to the hinge center of the hinge portion 335 without shaking during the cylinder movement of the second hydraulic portion 332. In addition, the second hydraulic unit 332 can further reinforce the gripping force of the first hydraulic unit 331 along with the driving of the hinge unit 335, and thus can further reinforce the gripping force of the arm module 310. there is.

The arm driving module 330 may drive the arm module 310 by simultaneously providing driving fluid to the first hydraulic unit 331 and the second hydraulic unit 332. Therefore, since the first hydraulic unit 331 and the second hydraulic unit 332 operate simultaneously, the left and right arms can move symmetrically simultaneously when providing a gripping force to the arm module 310.

The arm driving module 330 may include an arm support portion 337 that penetrates and supports the other ends of the upper and lower arm modules 310 located in a vertical line. Therefore, the arm module 310 can operate simultaneously according to the operation of the arm driving module 330 due to the upper and lower arms vertically coupled to the arm support portion 337, and is coupled to the upper arm module and the lower arm module. The four gripping modules 320 can simultaneously contact the file and grip the file.

The gripping module 320 is formed with a gripper coupling part 322 that is replaceably coupled to the gripper part 312 and one end surface corresponding to the outer surface of the files 1 and 3 to grip the object. It may include a gripping portion 324. Therefore, the gripping module 320 can be selected according to the type of the files 1 and 3 to couple and fix the gripper coupling portion 322 and the gripper portion 312 of the arm module 310.

The gripping portion 324 includes a first gripping body 3241 having one end surface 3241a in contact with the outer surface of the pile and having a surface roughness and a hemispherical groove 3241b at the other end, and the groove ( It may be formed by combining the second grip body 3242 having a hemispherical protrusion 3242b fitted into 3241b). The other end surface 3242a of the second grip body 3242 may be fixed to the gripper coupling portion 322. For example, one end surface 3241a of the first gripping body 3241 may have a plurality of wedge-shaped protrusions and may have a predetermined surface roughness. As a result, when the side grip member 300 grips the file, the file (1) , 3) It prevents the problem of slipping and holds the file firmly. Furthermore, since the first gripping body 3241 and the second gripping body 3242 are provided with a hemispherical combination, bending and slight movement in any direction is possible, making it possible to actively cope with various changes during gripping. In addition, by ensuring that the one end surface (3241a) of the first gripping body and the pile surface are in perfect contact, the piles (1, 3) can be held while preventing bending, and the thickness deviation that occurs depending on the pile specifications can be accommodated. there is. That is, the surface grinder formed on one end surface (3241a) of the first gripping body can increase the frictional force with the file and enable close contact, and at the same time, the hemispherical combination of the first gripping body (3241) and the second gripping body (3242) Files can be fixed stably.

The side grip vibrating hammers 10 and 10' may further include a vertical grip member 400 coupled to the lower portion of the body member 200. Therefore, when the pile insertion is almost completed, the pile being inserted can be continuously driven in the vertical direction without a separate device. For example, the vertical grip member 400 may be provided with a fixed grip module 420 and a movable grip module 410 facing each other, and may grip the upper ends of the piles 1 and 3. In addition, the vertical grab member 400 may be equipped with an actuator part such as a motor or cylinder for driving the movable grip module 410, and the grip coupled to the front of the movable grip module 410 is driven by the actuator part. The part moves toward the gripping part coupled to the front of the fixed grip module 420 and can grip the files (1, 3).

The side grip vibrating hammers (10, 10') according to an embodiment of the present invention are piles (1, 3) in which the side grip member (300) is loaded due to the body member (200) rotatable with respect to the bracket member (100). ) can be automatically gripped, the insertion of files for driving work can also be performed automatically, and it has the advantage of ensuring the safety and efficiency of work by excluding workers from the file insertion operation. In addition, thanks to the replaceable gripping module 320, driving work can be performed with a single side grip vibrating hammer (10, 10') regardless of the shape of the pile, and further, the hinge portion of the arm driving module 330 and The hydraulic part has the effect of equalizing the gripping force on the pile and further reinforcing the gripping force.

Although the present invention has been described above with reference to preferred embodiments, those skilled in the art may make various modifications and changes to the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. You will understand that you can do it.

10, 10'; side grip vibro hammer
100; Bracket member
110; Rotating cylinder module
120; Hinge axis
200; body member
210; Gearbox module
212; motor
214; driving gear
216; eccentric weight
220; Housing module
222; septum
230; Vibration reduction member
232; Anti-vibration rubber
234; Anti-vibration rubber bracket
250; Slewing bearing module
300; side grip member
310; Arm module
312; Gripper part
320; Grasping module
322; Gripper joint
324; gripping part
330; Arm driving module
331; 1st hydraulic part
332; 2nd hydraulic part
335; Hinge part
337; arm support
400; vertical grip member
410; Mobile grip module
420; Fixed grip module

Claims (9)

A bracket member coupled to heavy equipment equipped with a hydraulic system;
a body member rotatably coupled to the bracket member and generating vibration; and
It includes a side grip member that grips the file so that the vibration is applied to the file,
The side grip member includes an arm module of a dual type, with a gripper portion at one end and a pair coupled to the upper and lower portions of the body member so that the gripper portion protrudes outward from the body member, and an outer surface of the pile. It includes a gripping module that is replaced according to the shape and is coupled to each gripper portion, and an arm driving module that drives the arm module and provides a gripping force,
A hinge axis 120 is formed on the upper side of the body member 200, so that the body member 200 and the bracket member 100 are hinged, and the rod of the cylinder module 110, which is obliquely installed on the edge of the bracket member 100, is It is connected to the upper part of the body member 200, and the body member 200 rotates the hinge axis 120 as a rotation axis in response to the operation of the cylinder module 110,
The arm driving module includes a first hydraulic unit coupled to the other end of the arm module, a hinge portion coupled between the arm modules, and a cylinder rod coupled to the hinge center of the hinge portion and fixed to the body member. 2 Includes a hydraulic unit,
The gripping module includes a gripper coupling part that is replaceably coupled to the gripper part, and a gripping part that has one end surface corresponding to the outer surface of the file to grip an object,
The gripping part includes a first gripping member having one end in contact with the outer surface of the pile and having a surface roughness and a hemispherical groove at the other end, and a second gripping member having a hemispherical protrusion fitted into the groove. A side grip vibrating hammer, characterized in that it is formed by a combination of.
According to claim 1,
The body member is a side grip vibrating hammer, characterized in that it includes a gearbox module that generates vibration, and a housing module that is rotatably coupled to the bracket member and accommodates the gearbox module therein.
According to claim 2,
The housing module has a pair of partition walls located at a predetermined interval from the inside of both sides, and the gearbox module and the other end area of the arm module are accommodated at the upper and lower parts of the gearbox module in the space between the partition walls. A side grip vibratory hammer characterized in that.
According to claim 3,
The body member is a side grip vibratory hammer, characterized in that it includes a vibration reduction module interposed between the partition wall and one side of the housing module and between the partition wall and the other side of the housing module.
delete According to claim 1,
The arm driving module is a side grip vibrating hammer, characterized in that fluid for driving is provided simultaneously to the first hydraulic unit and the second hydraulic unit to drive the arm module.
According to claim 1,
The arm driving module is a side grip vibrating hammer, characterized in that it includes an arm support portion that penetrates and supports the other ends of the upper and lower arm modules located in a vertical line.

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