JP5759395B2 - Crushing system - Google Patents

Description

  The present invention relates to a crushing system that dismantles chimneys, high-rise buildings, and the like by suspending a hydraulic power source device and a crusher that operates by receiving supply of hydraulic oil from the hydraulic power source device by a wire rope of a crane. .

  When dismantling a high-rise building or the like, dismantling is generally performed by a dismantling machine in which a crusher is attached to the tip of an ultra-long front having a hydraulic excavator as a base machine. However, such a dismantling machine using an ultra long front can perform dismantling work from the side of the dismantling object, but it is difficult to dismantle the chimney and crush the inside of the high-rise building. For this reason, for such dismantling work such as a chimney, for example, as disclosed in Patent Document 1, a hydraulic power source device and a crusher are suspended by a wire rope of a crane, and the position and height of the crusher are crawled by a crane. A crushing system that performs crushing while adjusting the pressure is used.

  In the conventional crushing system described in Patent Document 1 and the like, a hydraulic power source device having a hydraulic pump driven by an engine is mounted on a stand suspended by a crane, and swiveled by a turning device provided on the stand. The revolving frame is provided on the lower side of the table, and the crusher is attached to the revolving frame.

JP-A-2-132277

  However, according to the structure of the above-described conventional crushing system, the hydraulic power source device, the swivel frame, and the crusher have an integrated structure, so that there is a problem that the dismantling object is limited to the chimneys. It was. Further, since the impact at the time of crushing by the crusher is directly transmitted to the hydraulic power source device, there is a problem that the hydraulic power source device and the connecting portion between the base and the hydraulic power source device may be damaged by the impact.

  In view of the above-described problems of the prior art, the present invention provides a crushing system having a structure in which a hydraulic power source device and a crusher are suspended by a wire rope of a crane. An object of the present invention is to provide a device that can prevent damage to a power source device and the like.

The crushing system of claim 1 comprises:
In a crushing system configured to support a hydraulic power source device and a hydraulic crusher via a hanging tool suspended by a wire rope of a crane,
A support frame supported via a plurality of support members by the hanger;
A hydraulic power source device mounted on the support frame;
A crusher supported by another support member suspended from the hanging tool separately from the support member ,
The other support member that supports the crusher is configured by a plurality of flexible support members that are suspended from the suspension and penetrate the hydraulic pressure source device .

The crushing system according to claim 2 is the crushing system according to claim 1,
A kinking prevention hole is provided in each of the places where the other supporting member of the hydraulic power source device penetrates.

The crushing system according to claim 3 is the crushing system according to claim 1 or 2,
An intermediate frame is provided between the hanging tool and the support frame,
The support frame is supported on the intermediate frame by three or more support members,
The distance between the connection points of the adjacent support members to the support frame is narrower than the distance between the connection points of the adjacent support members to the intermediate frame.

The crushing system according to claim 4 is the crushing system according to any one of claims 1 to 3,
As the hydraulic power source device, at least a lower traveling body of a hydraulic excavator, a swing device, and an upper swing body from which a work front is removed are used,
The other support member for suspending the crusher is passed through the opening exposed by removing the swivel device.

The crushing system according to claim 5 is the crushing system according to any one of claims 1 to 4,
A crusher turning device is provided between the flexible support member and the crusher,
An arm is attached in a suspended manner to a turning frame provided on the lower side of the turning device for turning the crusher,
The crusher is swingably attached to the arm, and a hydraulic cylinder and a link mechanism for swinging the crusher are attached between the arm and the crusher.

According to the first aspect of the present invention, the crusher and the support frame on which the hydraulic power source device is mounted are configured separately, and the crusher and the hydraulic power source device are supported by separate support members. It is possible to insert a crusher into a crushing site where insertion of the crushing is impossible, and the object that can be crushed is expanded. In addition, it is possible to adjust the length of the flexible support member that supports the crusher according to the situation of the dismantling site, and it is possible to crush parts at a considerably low position from the hydraulic power source device, etc. Will improve. In addition, since vibrations and impacts during crushing by the crusher are not directly transmitted to the hydraulic power source device, damage to the hydraulic power source device and the connection portion between the hydraulic power source device and the support frame due to vibrations and impacts during crushing is prevented. . In addition, since the support of the hydraulic power source device and the crusher is supported by separate support members, it is a relatively thin support member that is easier to handle than when the hydraulic power source device and the crusher are supported by a common support member. Can be used. Moreover, since the crusher was supported by the multiple support members, the crusher is stably supported.

According to the invention of claim 2, since the plurality of support members for supporting the crusher are respectively passed through the kinking prevention holes provided in the hydraulic power source device, the movement of the support member is restricted, and the support member is controlled by the crushing operation. Is prevented, and the support of the crusher is stabilized.

  According to the third aspect of the present invention, the connection point between the adjacent support members and the support frame is determined based on the distance between the connection points of the adjacent support members connecting the support frame and the intermediate frame. Since the interval between them is narrowed, the shaking of the support frame is reduced.

  According to the invention of claim 4, since the upper swing body of the existing hydraulic excavator is used as it is as the hydraulic power source device, the hydraulic power source device can be realized relatively easily.

  According to the invention of claim 5, since the crusher is attached via the arm, the insertion depth can be expanded, and the arm and crusher assembly used in a normal hydraulic excavator can be used. Therefore, a crusher and its swing mechanism can be realized relatively easily. Moreover, since the inclination range by rocking | fluctuation of a crusher is increased by a link mechanism, the crushing work range is expanded. Furthermore, in addition to these swiveling and swinging mechanisms, the crusher is provided with a swiveling device, so the direction and inclination angle of the crushing blade can be arbitrarily changed, and in the dismantling site where the location and direction of the crushing location vary, Workability is improved.

It is a side view which shows one Embodiment of the crushing system of this invention. It is a side view which expands and partially abbreviate | omits the part of the crane in the crushing system of FIG. It is a side view which shows the structure of the hydraulic-power-source apparatus and its support part in the crushing system of FIG. FIG. 4 is a front view of FIG. 3. It is a side view which shows the structure of the crusher in this embodiment. It is a top view which shows the plate which has the hole for a twist prevention which lets the flexible support member for a crusher support in this embodiment pass. It is a side view which shows the other example of the attachment structure of the crusher in this embodiment. It is a side view which further shows the other example of the attachment structure of the crusher in this embodiment.

FIG. 1 is a side view showing an embodiment of the crushing system of the present invention. This crushing system is generally composed of a crane 1, a hydraulic power source device 2, and a hydraulic crusher 3. As shown in FIG. 2, the crane 1 has a swivel frame 6a installed on a lower traveling body 4 via a swivel device 5, and a cab 7, a hydraulic power unit 8, a counterweight 9 and the like are mounted on the swivel frame 6a. Thus, the upper swing body 6 is configured, and the boom 10 is attached to the front portion of the swing frame 6a so as to be raised and lowered. The boom 10 includes a lower boom 10a attached to the revolving frame 6a so as to be raised and lowered, and an upper boom 10b attached to the lower boom 10a so as to be rotatable.

  Reference numeral 11 denotes a hoisting device for hoisting the lower boom 10a. The hoisting device 11 includes a support frame 12 attached to the revolving frame 6a, a winch 13 attached to the support frame 12, and winding and feeding by the winch 13. Wire rope 14 attached to the top of the support frame 12 and a sheave block 15 that hangs the wire rope 14 between the bridal 16 and a pendant rope that connects the frame of the bridal 16 and the lower boom 10a. 17.

  A winch 20 is provided for rotating the upper boom 10b with respect to the lower boom 10a. Reference numeral 21 denotes a support arm supported and attached near the top of the lower boom 10a by a support rope 22. Reference numeral 23 denotes a support arm rotatably attached to the upper side of the support arm 21 near the top of the lower boom 10a. Sheave blocks 25 and 26 each having a wire rope 24 wound and fed by the winch 20 are attached to the tops of the arms 21 and 23, respectively. The support arm 23 and the upper boom 10 b are connected by a pendant rope 27. With this configuration, the inclination angle of the upper boom 10b changes with respect to the lower boom 10a by the winding and feeding of the wire rope 24. In FIG. 1, 28 is a camera for monitoring the crushing part by the crusher 3, and this camera 28 is attached to the upper boom 10b so that an inclination angle can be adjusted.

Reference numeral 29 denotes a winch for hoisting and lowering the crane's suspended load (hydraulic power source device 2 and crusher 3). The winch 29 is attached to the lower boom 10a , and the wire rope 30 wound and fed by the winch 29 It is hung between a sheave block 31 at the top of the boom 10b and a sheave block 33 (see FIG. 3) provided with a hanging tool 32 for connecting a suspended load.

  FIG. 3 is a side view showing the structure of the hydraulic power source device 2 and its support in the crushing system of this embodiment, and FIG. 4 is a front view thereof. The hanger 32 includes a hook 35 connected to the lower part of the sheave block 33 by a pin 34, and two hung members that sandwich the hook 35 and are connected to the hook 35 by a pin 36 provided in a direction orthogonal to the pin 34. A plate 37. The suspension plate 37 is connected to a support member of the hydraulic power source device 2 and the crusher 3 by a mechanism described later.

  In this embodiment, an example in which the hydraulic power source device 2 is configured by an upper swing body of a hydraulic excavator is shown. In other words, the hydraulic excavator has a turning frame 39 installed on a lower traveling body via a turning device, and a hydraulic power unit 40 including an engine-driven hydraulic pump, a driver's cab 41, and the like are mounted on the turning frame 39 and turned. Although the work front is attached to the frame 39, when used as the hydraulic power source device 2, the lower traveling body is removed together with the turning device, and the work front is removed, leaving the hydraulic power unit 40 and the cab 41.

  Reference numeral 42 denotes a support frame on which the hydraulic power source device 2 is mounted. Reference numeral 43 denotes an intermediate frame provided to prevent interference between the support member of the support frame 42 and the hydraulic power source apparatus 2. The intermediate frame 43 of this embodiment is rectangular, and suspension rings 45 are attached to the four corners thereof. On the other hand, shackles 46 are attached to the suspension plate 37 of the suspension tool 32 on both sides thereof. One end of a wire rope 48 as a support member is connected to a suspension ring 45 provided at the four corners of the intermediate frame 43, and the other end of each wire rope 48 is connected to the shackle 46, so that the intermediate frame 43 is attached to the hanging tool 32. It is supported by the wire rope 48 of the book. In order to stably support the intermediate frame 43 by the hanger 32, it is only necessary to support the intermediate frame 43 with three or more wire ropes. In addition to the wire ropes, support members such as chains and rods can be used.

  The support frame 42 and the intermediate frame 43 connect the lower end and the upper end of a wire rope 53 as a support member to suspension rings 50 and 51 fixed to the four corners of the frames 42 and 43, respectively. Here, in order to prevent the support frame 42 from shaking, when viewed from the front, the left and right sides of the wire ropes 53, 53 adjacent to the intermediate frame 43 are separated from each other by the distance between the connection points (the suspension rings 51, 51). The space | interval between the connection points (the suspension rings 50 and 50) with the support frame 42 of the wire ropes 53 and 53 adjacent to is narrowed.

  If the intermediate frame 43 and the support frame 42 are connected by three or more support members, the support frame 42 can be stably supported. As a support member between the intermediate frame 43 and the support frame 42, a chain or a rod may be used instead of the wire ropes 48 and 53. Further, the intermediate frame 43 can be omitted.

  FIG. 5 is a side view showing the structure of the crusher 3. As shown in FIGS. 3 and 5, the crusher 3 is supported by a plurality (two in the illustrated example) of wire ropes (support members) 55. As shown in FIG. 3, a suspension plate 54 constituting the suspension tool 32 is attached with a suspension plate 54 at its center by a pin 38, and two wire ropes 55 are connected to both ends of the suspension plate 54.

As shown in FIG. 5 , the crusher 3 is attached to the wire rope 55 via a support frame 56 for adjusting the inclination angle. The support frame 56 has two connection plates 58 attached to the top thereof so as to be swingable by pins 57, and U-shaped connection fittings attached to the connection plates 58 at the lower ends of the two wire ropes 55, respectively. 59 is connected by a pin 60. Then, the upper frame 62 of the crusher 3 is attached to the lower end of the support frame 56 so as to be swingable by the pin 61, and the hydraulic cylinder 63 for adjusting the inclination angle of the crusher 3 is attached between the support frame 56 and the upper frame 62.

  A main body frame 64 of the crusher 3 is attached to the upper frame 62 with bolts 65. A pair of crushing claws 66 are attached to the main body frame 64 by a hydraulic cylinder 68 around a pin 67 so as to be opened and closed.

  FIG. 6 is a plan view showing the configuration of the passage portion of the wire rope 55 in the upper swing body constituting the hydraulic power source device. Reference numeral 39 denotes a swing frame of a hydraulic excavator used as the hydraulic power source device 2, and 70 denotes an attachment portion of the swing device of the hydraulic excavator also used as the hydraulic power source device 2. Reference numeral 71 denotes an opening provided in the turning frame 39. The opening 71 is provided for installing a turning motor of a turning device for turning the turning frame 39 and a center joint (none of which is shown) for connecting a hydraulic circuit to the lower traveling body. It is. A plate 72 is attached to the revolving frame 39 with bolts 73 so as to close the opening 71. The plate 72 is provided with holes 72a through which the two wire ropes 55 are passed to prevent the wire rope 55 from being twisted.

  In the crushing system of this embodiment, the crane 1, the hydraulic power source device 2, and the crusher 3 actuators are connected to the receiver and the crane 1 and the hydraulic power source device 2 so that remote operation by radio is possible. Although it has a control device controlled by the received signal, it can also be configured as a system operated by an operator of the crane 1.

  When the dismantling work is performed by the crushing system of this embodiment, the work position is roughly adjusted by traveling the crane 1 and the direction of the boom 10 is adjusted by operating the turning device 5 of the crane 1. Further, the hoisting angle of the lower boom 10a is adjusted by operating the winch 13, and the inclination angle of the upper boom 10b is adjusted by operating the winch 20, thereby adjusting the distance from the hydraulic power source device 2 and the crane 1 of the crusher 3. . Moreover, the height of the hanging tool 32 is adjusted by operation of the winch 29, and the dismantling work is performed by adjusting the height of the crusher 3 to the crushing part.

  According to this embodiment, the crusher 3 and the support frame 42 on which the hydraulic power source device 2 is mounted are configured separately, and the hydraulic power source device 2 and the crusher 3 are separated from each other by separate wire ropes 48, 53 and the wire rope 55, the crusher 3 can be inserted into a crushing portion where the support frame 42 cannot be inserted, and the crushable object is enlarged. In addition, by increasing the length of the wire rope 55 that supports the crusher 3 as necessary, it is possible to crush a portion at a considerably low position from the hydraulic power source device 2, and the adaptability to the site is improved.

Further, since the hydraulic power source device 2 and the crusher 3 are supported by separate wire ropes 48 and 53 and a wire rope 55, respectively, the hydraulic power source device 2 and the crusher 3 are supported by a common wire rope. These wire ropes 48, 53 and 55 can be made with a small diameter, and are easy to handle.

  Further, since vibrations and shocks during crushing by the crusher 3 are not directly transmitted to the hydraulic power source device 2, the hydraulic power source device 2 due to vibrations and shocks during crushing, a connecting portion between the hydraulic power source device 2 and the support frame 42, and the like Damage is prevented.

  Further, since the crusher 3 is stably supported by the plurality of wire ropes 55 and the wire rope 55 is passed through the hole 72a for preventing twisting of the plate 72 provided in the hydraulic power source device 2, the crusher 3 is When shaking occurs due to lateral movement or the like, the movement of the wire rope 55 is restricted, the wire rope 55 is prevented from being twisted by the crushing operation, and the support of the crusher 3 is stabilized.

  Further, the left and right adjacent wire ropes 53 and 53 are determined by the distance between the suspension rings 51 and 51 which are connection points between the left and right adjacent wire ropes 53 and 53 connecting the support frame 42 and the intermediate frame 43. Since the interval between the suspension rings 50 and 50, which is a connection point with the support frame 42, is narrowed, the swing of the support frame 42 is reduced. In this embodiment, when viewed from the side, the wire ropes 53 adjacent to each other in the front-rear direction are connected to the support frame 42 based on the same relationship between the connection points, that is, the connection point interval with the intermediate frame 43. If the connection point interval is narrowed, shaking of the support frame 42 is better prevented.

  Further, in the present invention, a dedicated hydraulic power source device can be provided, but in this embodiment, since the upper swing body of an existing hydraulic excavator is used as it is as a hydraulic power source device, A hydraulic power source device can be realized relatively easily.

FIG. 7 is a side view showing another example of the crusher mounting structure of the present invention. In this embodiment, the same reference numerals as those in FIG. 5 denote components that perform the same function. In this embodiment, a turning device having a turning motor 75a is provided on the upper frame 62, and the main body frame 64 of the crusher 3A is attached to the turning body of the turning device 75. The other basic configuration is shown in FIG. Is the same as

  In the embodiment of FIG. 7, since the main body frame 64 of the crusher 3A is attached via the turning device 75, the direction of the crusher 3A can be arbitrarily changed, and the direction of the crushing claw 66 can be easily made into a crushing symmetrical shape. The crushing operation becomes easy.

  FIG. 8 is a side view further illustrating another example of the crusher mounting structure of the present invention. In the example of FIG. 8, a connection plate 79 is attached to the top of the support frame 77 so as to be swingable by a pin 78, and the lower ends of the two wire ropes 55 are connected to both ends of the connection plate 79, respectively. The support frame 77 is provided with a crusher turning device 80 having a turning motor 80a, and an arm 84 is attached to the turning frame 81 of the turning device 80 by pins 82 and 83 in a suspended manner. The crusher 3A is attached to the lower end of the arm 84 so as to be swingable by a pin 85. The crusher 3A shown in FIG. 8 is the same as that shown in FIG.

  Reference numeral 87 denotes a hydraulic cylinder for swinging the crusher 3A, one end of which is connected to the arm 84 by a pin 88, and the other end is connected to each end of an arm link 89 for increasing the swing angle and a work tool link 90 by a pin 91. Link. The other ends of the arm link 89 and the work tool link 90 are connected to the arm 84 and the mounting bracket 62 of the crusher 3A by pins 92 and 93, respectively.

In the crusher mounting structure shown in FIG. 8, since the crusher 3A is attached via the arm 84, the insertion depth can be expanded, and the arm 84 and the crusher 3A used in a normal hydraulic excavator can be used. Therefore, the crusher and its swinging mechanism can be realized relatively easily. Further, the rocking angle of the crusher 3A is expanded by the links 89 and 90, and the crushing work range is expanded. Further, the turning device 80 provided on the support frame 77 can arbitrarily change the inclination direction of the crusher 3A with respect to the arm 84 by the hydraulic cylinder 87, and the crusher turns even after the inclination angle of the crusher 3A is changed. Since the turning device 75 can arbitrarily change the direction of the crushing claw 66 of the crusher 3A, the operability is improved at the dismantling site where the location and direction of the crushing location are variously changed.

  Although the present invention has been described with various embodiments, the present invention is not limited to the above embodiments, and various modifications and additions are possible without departing from the spirit of the present invention. is there.

  1: Crane, 2: Hydraulic source device, 3: Crusher, 4: Lower traveling body, 5: Turning device, 6a: Turning frame, 7: Cab, 8: Hydraulic power unit, 9: Counterweight, 10: Boom, 10a: lower boom, 10b: upper boom, 11: hoisting device, 13, 20, 30: winch, 28: camera, 30: wire rope, 31, 33: sheave block, 32: hanger, 40: hydraulic power unit, 42 : Support frame, 43: Intermediate frame, 45: Suspension ring, 46: Shackle, 48: Wire rope, 50, 51: Suspension ring, 55: Wire rope, 57: Pin, 58: Connection plate, 56: Support frame, 62 : Upper frame, 63: Hydraulic cylinder, 64: Main body frame, 66: Crushing claw, 68: Hydraulic cylinder, 70: Mounting part of swivel device, 71: Opening part, 72: Plate, 72a: Screw Prevention hole, 75: turning device, 75a: turning motor, 77: support frame, 79: connecting plate, 80: turning device for turning the crusher, 80a: turning motor, 81: turning frame, 84: arm, 87: Hydraulic cylinder, 89, 90: Link

Claims (5)

In a crushing system configured to support a hydraulic power source device and a hydraulic crusher via a hanging tool suspended by a wire rope of a crane,
A support frame supported via a plurality of support members by the hanger;
A hydraulic power source device mounted on the support frame;
A crusher supported by another support member suspended from the hanging tool separately from the support member ,
The other support member that supports the crusher is constituted by a plurality of flexible support members that are suspended from the hanging tool and penetrate the hydraulic power source device . The crushing system according to claim 1,
Breaking system said other support member of the hydraulic pressure source device in place penetrating, respectively, characterized in that a hole for preventing kinking. The crushing system according to claim 1 or 2,
An intermediate frame is provided between the hanging tool and the support frame,
The support frame is supported on the intermediate frame by three or more support members,
The crushing system characterized by narrowing the space | interval between the connection points with the said support frame of the said adjacent support member rather than the space | interval between the connection points with the said intermediate frame of the said adjacent support member. In the crushing system according to any one of claims 1 to 3,
As the hydraulic power source device, at least a lower traveling body of a hydraulic excavator, a swing device, and an upper swing body from which a work front is removed are used,
The crushing system, wherein the other support member that suspends the crusher is passed through the opening exposed by removing the swivel device. In the crushing system according to any one of claims 1 to 4,
A crusher turning device is provided between the other support member and the crusher,
An arm is attached in a suspended manner to a turning frame provided on the lower side of the turning device for turning the crusher,
A crushing system, wherein the crusher is swingably attached to the arm, and a hydraulic cylinder and a link mechanism for swinging the crusher are attached between the arm and the crusher.

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