Cantilever crane supporting device and working vehicle

Abstract

The utility model discloses a cantilever crane supporting device and a working vehicle. The cantilever crane supporting device comprises a mounting seat, a supporting seat and a supporting seat, the supporting rod is hinged to the mounting seat; the supporting rod is provided with a first supporting position and a second supporting position, and the supporting rod rotates around the hinged position of the supporting rod and the installation base so that switching between the first supporting position and the second supporting position can be achieved. The supporting rod is provided with a first supporting structure and a second supporting structure, an opening of the first supporting structure faces the radial direction of the supporting rod, and an opening of the second supporting structure faces the axial direction of the supporting rod. When the supporting rod is located at the first supporting position, the opening of the first supporting structure faces upwards, and when the supporting rod is located at the second supporting position, the opening of the second supporting structure faces upwards. The arm support supporting device has two supporting positions and can be suitable for different folding postures of the arm support.

Description

Technical Field

[0001] The utility model relates to the technical field of aerial work vehicles, in particular to an arm support device and an aerial work vehicle. Background Art

[0002] The work vehicles with telescopic arms on the market can be adapted to different work scenarios by installing different functional components at the end of the arm. For example, a branch pruning tool can be installed at the end of the arm to be used as a branch pruning vehicle, or a work platform can be installed at the end of the arm to be used as an aerial work vehicle. However, the folding postures of the branch pruning vehicle and the aerial work vehicle are different. When the branch pruning vehicle is folded, the branch pruning tool is facing downward, so the arm needs to be supported at a higher position; and when the aerial work vehicle is folded, the work platform is facing upward, so the arm needs to be supported at a lower position. Currently, the work vehicles on the market do not have arm support devices suitable for the above two folding postures, and the space on the work vehicle is difficult to arrange two arm support devices, which makes it more troublesome for the work vehicle to switch between the two functions, and often requires the use of external objects for auxiliary support, which increases the operating cost. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems in the prior art. To this end, the present invention provides an arm support device having two support positions, which can be adapted to different vehicle retracting postures.

[0004] The utility model also provides a working vehicle with the above-mentioned arm support device.

[0005] According to the first embodiment of the present invention, the arm support device includes:

[0006] Mounting seat;

[0007] A support rod is hinged to the mounting seat; the support rod has a first support position and a second support position, and the support rod rotates around the hinge with the mounting seat to achieve switching between the first support position and the second support position; the support rod is installed with a first support structure and a second support structure, the opening of the first support structure is facing the radial direction of the support rod, and the opening of the second support structure is facing the axial direction of the support rod;

[0008] When the support rod is in the first supporting position, the opening of the first supporting structure faces upward; when the support rod is in the second supporting position, the opening of the second supporting structure faces upward.

[0009] The arm support device according to the embodiment of the utility model has at least the following beneficial effects:

[0010] By hingedly connecting the support rod and the mounting seat and arranging a first supporting structure and a second supporting structure on the support rod, the support rod can support the arm through the first supporting structure when it is in the first supporting position, and can support the arm through the second supporting structure when it is in the second supporting position, thereby adapting to different retracting postures of the work vehicle without the need for external assistance, reducing the difficulty of operation and improving the operation efficiency; the arm support device of this embodiment has a simple structure and low manufacturing cost, and is easy to modify the arm support of an existing work vehicle.

[0011] According to some embodiments of the present invention, the first supporting structure includes a first substrate, both ends of the first substrate are bent away from the support rod to form two first bending portions, and the middle portion of the first substrate is connected to the support rod.

[0012] According to some embodiments of the present invention, the first supporting structure further includes a first main board and two first side boards, the first main board is installed in the middle of the first base board, and the two first side boards are respectively installed in the two first bending portions.

[0013] According to some embodiments of the present invention, the second supporting structure includes a second substrate, both ends of the second substrate are bent in a direction away from the support rod to form two second bent portions, and the middle portion of the second substrate is connected to the support rod;

[0014] The first supporting structure further includes a second main board and two second side boards. The second main board is mounted on the middle portion of the second base board, and the two second side boards are respectively mounted on the two second bending portions.

[0015] According to some embodiments of the present invention, the first supporting structure is arranged at a first end of the support rod in the length direction, and the second supporting structure is arranged at a second end of the support rod in the length direction.

[0016] According to some embodiments of the present invention, the mounting seat is provided with a main mounting hole passing through the mounting seat, and the support rod is provided with a secondary mounting hole passing through the support rod, and the mounting seat and the support rod are connected by a central axis passing through the main mounting hole and the secondary mounting hole in sequence.

[0017] According to some embodiments of the present invention, the mounting seat is provided with a first through hole and a second through hole, and the support rod is provided with a third through hole and a fourth through hole; when the support rod is in the first supporting position, the first through hole and the third through hole are connected by a locking member; when the support rod is in the second supporting position, the second through hole and the fourth through hole are connected by a locking member.

[0018] According to some embodiments of the present invention, the first through hole and the second through hole are spaced apart and arranged on the periphery of the main mounting hole; the third through hole and the fourth through hole are respectively arranged on opposite sides of the auxiliary mounting hole.

[0019] According to some embodiments of the present invention, the locking member includes a latch and an R-shaped pin, and the R-shaped pin is passed through the latch to limit the latch.

[0020] According to a second embodiment of the present invention, a work vehicle includes the aforementioned boom support device. This embodiment features two folding positions suitable for branch pruning and aerial work, with easy switching between them, effectively enhancing the vehicle's applicability. Furthermore, because the work vehicle includes the aforementioned boom support device, it exhibits at least all of the benefits of the boom support device.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0023] Figure 1 A side view of the arm support device according to the first embodiment of the present invention;

[0024] Figure 2 This is a front view of the arm support device according to the first embodiment of the present invention;

[0025] Figure 3 This is a rear view of the arm support device according to the first embodiment of the present invention;

[0026] Figure 4 for Figure 1 Side view of the middle support rod;

[0027] Figure 5 This is a schematic diagram of the folded posture of the working vehicle of the second embodiment of the utility model when used as a branch pruning vehicle;

[0028] Figure 6 This is a schematic diagram of the folded posture of the work vehicle of the second embodiment of the utility model when used as an aerial work vehicle.

[0029] Figure Number:

[0030] Mounting base 100, main mounting hole 110, first through hole 120, second through hole 130;

[0031] Support rod 200, first support structure 210, first substrate 211, first bending portion 212, first main board 213, first side plate 214, second support structure 220, second substrate 221, second bending portion 222, second main board 223, second side plate 224, auxiliary mounting hole 230, third through hole 240, fourth through hole 250;

[0032] Locking member 300 , latch pin 310 , and R-shaped pin 320 . DETAILED DESCRIPTION

[0033] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0034] In the description of the present invention, it should be understood that descriptions involving orientation, such as the orientation or positional relationship indicated by up, down, etc., are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of this utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features and should not be understood as indicating or implying relative importance, implicitly indicating the number of the indicated technical features, or implicitly indicating the order of the indicated technical features.

[0036] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0037] Reference Figures 1 to 4The arm support device of the first embodiment of the present invention includes a mounting seat 100 and a support rod 200, and the support rod 200 is hinged to the mounting seat 100; the support rod 200 has a first support position and a second support position, and the support rod 200 rotates around the hinge with the mounting seat 100 to realize switching between the first support position and the second support position; the support rod 200 is installed with a first support structure 210 and a second support structure 220, the opening of the first support structure 210 is facing the radial direction of the support rod 200, and the opening of the second support structure 220 is facing the axial direction of the support rod 200; when the support rod 200 is in the first support position, the opening of the first support structure 210 is facing upward for placing the arm; when the support rod 200 is in the second support position, the opening of the second support structure 220 is facing upward for placing the arm.

[0038] Since the opening of the first support structure 210 is oriented in the radial direction of the support rod 200, when the support rod 200 is in the first position, the support rod 200 is in a horizontal state; when the boom is placed on the first support structure 210, the boom is in a lower position, which is suitable for Figure 6 The aerial work vehicle shown; accordingly, since the opening direction of the second support rod 200 is the axial direction of the support rod 200, when the support rod 200 is in the second position, the support rod 200 is in a vertical state; when the boom is placed on the second support structure 220, the boom is in a higher position, which is suitable for Figure 5 The branch pruning vehicle shown. The boom support device of the present embodiment of the utility model hinges the support rod 200 with the mounting base 100 and provides a first support structure 210 and a second support structure 220 on the support rod 200. This allows the support rod 200 to support the boom via the first support structure 210 when in the first support position, and to support the boom via the second support structure 220 when in the second support position. This allows the boom to be adapted to different retracting postures of the work vehicle without the need for external assistance, thereby reducing the difficulty of operation and improving work efficiency. The boom support device of this embodiment has a simple structure and low manufacturing cost, and is convenient for retrofitting the boom support of existing work vehicles.

[0039] In the embodiment of the present invention, the first support structure 210 includes a first substrate 211, both ends of the first substrate 211 are bent away from the support rod 200 to form two first bending portions 212, and the middle portion of the first substrate 211 is connected to the support rod 200. Figure 2As shown, both ends of the length direction of the first substrate 211 are bent in the direction away from the support rod 200, thereby forming a groove between the two first bending portions 212, and the opening of the groove is facing away from the support rod 200; the first substrate 211 is provided with two first bending portions 212 to better accommodate the arm stand; when the arm stand is accommodated, the arm stand can gradually slide along the first bending portion 212 to the middle position of the first substrate 211, so that the arm stand and the first substrate 211 have sufficient contact area, ensuring that the arm stand can obtain sufficient support while reducing the pressure on the first substrate 211, thereby extending the service life of the first support structure 210; at the same time, the two first bending portions 212 can also protect the arm stand, so that the arm stand is more stable when placed on the first support structure 210.

[0040] Further, refer to Figure 2 As shown, in an embodiment of the present invention, the first support structure 210 further includes a first main plate 213 and two first side plates 214. The first main plate 213 is mounted in the middle of the first base plate 211, and the two first side plates 214 are mounted on the two first bends 212, respectively. Specifically, the first main plate 213 is preferably detachably connected to the first base plate 211 via fasteners such as bolts, and the first side plates 214 are also preferably detachably connected to the first bends 212 via fasteners such as bolts. Mounting the first main plate 213 and first side plates 214 on the first base plate 211 prevents direct contact between the first base plate 211 and the arm, which could damage the first base plate 211. The detachable connection between the first main plate 213 and first side plates 214 and the first base plate 211 facilitates their separate replacement, thereby reducing maintenance costs. The bolted connection between the first main plate 213 and first side plates 214 and the first base plate 211 utilizes a mature connection technology with low cost and good reliability.

[0041] In the embodiment of the present invention, the second support structure 220 is substantially consistent with the first support structure 210 in shape and size, so that the first support structure 210 and the second support structure 220 can be produced by sharing a set of templates, thereby reducing production costs. Figure 2 、 Figure 3As shown, the second support structure 220 includes a second substrate 221, both ends of the second substrate 221 are bent in a direction away from the support rod 200 to form two second bending portions 222, and the middle part of the second substrate 221 is connected to the support rod 200; the first support structure 210 also includes a second main board 223 and two second side panels 224, the second main board 223 is installed in the middle part of the second substrate 221, and the two second side panels 224 are respectively installed on the two second bending portions 222. Specifically, the second base plate 221 is provided with two second bending portions 222 which can also better accommodate the arm bracket; the second main plate 223 is preferably detachably connected to the second base plate 221 by fasteners such as bolts, and the second side plate 224 is also preferably detachably connected to the second bending portion 222 by fasteners such as bolts, thereby avoiding direct contact between the first base plate 211 and the arm bracket and causing damage to the first base plate 211; the second main plate 223 and the second side plate 224 are detachably connected to the second base plate 221, which can facilitate the separate replacement of the second main plate 223 and the second side plate 224, thereby reducing maintenance costs.

[0042] In the embodiment of the present invention, the first support structure 210 is provided at the first end of the support rod 200 in the length direction, and the second support structure 220 is provided at the second end of the support rod 200 in the length direction. Figure 1 、 Figure 4 As shown, in order to make the boom support device of this embodiment applicable to the two retracted postures of the boom, the second support structure 220 must be arranged at the end of the support rod 200, and the opening of the second support structure 220 is oriented in the axial direction of the support rod 200; and although the first support structure 210 must be oriented in the radial direction of the support rod 200, the specific installation position of the first support structure 210 can be selected according to actual conditions, and is preferably arranged at the second end in the length direction of the support rod 200, so as to reduce the overall height of the boom in the retracted state.

[0043] In an embodiment of the present invention, the mounting base 100 is provided with a main mounting hole 110 passing through the mounting base 100, and the support rod 200 is provided with a secondary mounting hole 230 passing through the support rod 200. The mounting base 100 and the support rod 200 are connected by a central axis passing through the main mounting hole 110 and the secondary mounting hole 230 in sequence. Specifically, the support rod 200 rotates around the central axis to achieve switching between the first supporting position and the second supporting position. Further, referring to Figure 1 As shown, the mounting base 100 is further provided with a first through hole 120 and a second through hole 130, and the first through hole 120 and the second through hole 130 are spaced apart and arranged on the periphery of the main mounting hole 110; Figure 4As shown, the support rod 200 further defines a third through hole 240 and a fourth through hole 250, which are disposed on opposite sides of the secondary mounting hole 230. When the support rod 200 is in the first supporting position, the first through hole 120 and the third through hole 240 are connected by a locking member 300; when the support rod 200 is in the second supporting position, the second through hole 130 and the fourth through hole 250 are connected by the locking member 300.

[0044] In the embodiment of the present invention, the locking member 300 includes a latch 310 and an R-shaped pin 320. The R-shaped pin 320 is passed through the latch 310 to limit the latch 310. Figure 3 As shown, one end of the latch 310 is provided with a through hole that radially passes through the latch 310, and the R-shaped pin 320 is inserted into the through hole at the end of the latch 310. When the support rod 200 is in the first supporting position, the first through hole 120 and the third through hole 240 are aligned, the latch 310 passes through the first through hole 120 and the third through hole 240 in sequence, and then the R-shaped pin 320 passes through the latch 310 to fix the support rod 200 in the first supporting position. When the support rod 200 is in the second supporting position, the second through hole 130 and the fourth through hole 250 are aligned, the latch 310 passes through the second through hole 130 and the fourth through hole 250 in sequence, and then the R-shaped pin 320 passes through the latch 310 to fix the support rod 200 in the second supporting position.

[0045] Reference Figure 5 、 Figure 6 As shown, the working vehicle of the second embodiment of the present invention includes the above-mentioned arm support device. The working vehicle of this embodiment has two machine postures to be suitable for branch pruning and high-altitude operations. Figure 5 The work vehicle shown is used as a branch pruning vehicle, and the support rod 200 is in the second supporting position; Figure 6 The illustrated work vehicle is used as an aerial work vehicle, with support rod 200 in the first support position. The support rod 200 can be easily switched between the first and second support positions, effectively improving the applicability of the work vehicle. Furthermore, because the work vehicle includes the aforementioned boom support device, it exhibits at least all the benefits of the boom support device.

[0046] In the description of this specification, the reference terms "one embodiment", "some embodiments", "examples", "specific examples" or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification.

[0047] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An arm support device, characterized in that: include: Mounting seat; A support rod is hinged to the mounting base; the support rod has a first support position and a second support position, and the support rod rotates around the hinge with the mounting base to achieve switching between the first support position and the second support position; The support rod is equipped with a first support structure and a second support structure, wherein the opening of the first support structure faces the radial direction of the support rod, and the opening of the second support structure faces the axial direction of the support rod; When the support rod is in the first supporting position, the opening of the first supporting structure faces upward; when the support rod is in the second supporting position, the opening of the second supporting structure faces upward.

2. The arm support device according to claim 1, characterized in that: The first supporting structure includes a first substrate. Both ends of the first substrate are bent in a direction away from the supporting rod to form two first bending portions. The middle portion of the first substrate is connected to the supporting rod.

3. The arm support device according to claim 2, characterized in that: The first supporting structure further includes a first main board and two first side boards. The first main board is installed at the middle portion of the first base board, and the two first side boards are respectively installed at the two first bending portions.

4. The arm support device according to claim 1, characterized in that: The second supporting structure includes a second substrate, both ends of the second substrate are bent in a direction away from the supporting rod to form two second bent portions, and the middle portion of the second substrate is connected to the supporting rod; The first supporting structure further includes a second main board and two second side boards. The second main board is mounted on the middle portion of the second base board, and the two second side boards are respectively mounted on the two second bending portions.

5. The arm support device according to claim 1, characterized in that: The first supporting structure is arranged at a first end of the supporting rod in the length direction, and the second supporting structure is arranged at a second end of the supporting rod in the length direction.

6. The arm support device according to claim 1, characterized in that: The mounting seat is provided with a main mounting hole passing through the mounting seat, and the support rod is provided with a secondary mounting hole passing through the support rod. The mounting seat and the support rod are connected by a central axis passing through the main mounting hole and the secondary mounting hole in sequence.

7. The arm support device according to claim 6, characterized in that: The mounting seat is provided with a first through hole and a second through hole, and the support rod is provided with a third through hole and a fourth through hole; when the support rod is in the first supporting position, the first through hole and the third through hole are connected by a locking member; when the support rod is in the second supporting position, the second through hole and the fourth through hole are connected by a locking member.

8. The arm support device according to claim 7, characterized in that: The first through hole and the second through hole are arranged at intervals on the outer periphery of the main mounting hole; the third through hole and the fourth through hole are respectively arranged on two opposite sides of the auxiliary mounting hole.

9. The arm support device according to claim 7, characterized in that: The locking member includes a latch and an R-shaped pin, and the R-shaped pin is passed through the latch to limit the latch.

10. A work vehicle, characterized in that: It comprises the arm support device according to any one of claims 1 to 9.

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