Swing arm trolley

Abstract

The utility model relates to the technical field of swing arm car discloses a swing arm crane truck, the swing arm crane truck includes the car body and swing arm mechanism, is provided with the car plate on the car body, and the swing arm mechanism includes at least one swing arm that is rotatably arranged on the car body with the first axis as the rotation axis, the first axis is parallel with the plane where the car plate is, the length of swing arm is adjustable, and one end of swing arm away from the car plate is provided with the hoisting and carrying rod, the hoisting and carrying rod is used for being hung with the box body to be hoisted and carried, and with the rotation and length adjustment of swing arm, the box body to be hoisted and carried can be hoisted and carried to the car plate. Swing arm activity radius is adjustable, and the use flexibility is better, is applicable to the box body to be hoisted and carried of multiple sizes.

Description

Technical Field

[0001] This utility model relates to the field of swing arm crane technology, and in particular to a swing arm crane. Background Technology

[0002] Swing-arm garbage trucks use a swing-arm mechanism to lift containers onto and unload them from the truck. For example, they can lift garbage from underground bins and the bins together onto the truck for transport, and can also self-unload, reducing the labor intensity of workers. Currently, most swing-arm garbage trucks are single-arm structures. If the garbage container size exceeds a certain limit, they cannot be used, restricting the container's loading capacity. Furthermore, the fixed range of motion of the single-arm structure results in poor operational flexibility. Utility Model Content

[0003] Based on the above, the purpose of this utility model is to provide a swing arm crane with an adjustable swing arm radius, which provides better flexibility in use and is suitable for various sizes of boxes to be lifted.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A swing-arm crane, comprising:

[0006] The vehicle body, on which a vehicle panel is provided;

[0007] The swing arm mechanism includes at least one swing arm rotatably mounted on the vehicle body about a first axis, the first axis being parallel to the plane of the vehicle platform. The length of the swing arm is adjustable, and a lifting rod is provided at one end of the swing arm away from the vehicle platform. The lifting rod is used to connect with the box to be lifted. As the swing arm rotates and its length is adjusted, the box to be lifted can be lifted onto the vehicle platform.

[0008] As a preferred embodiment of a swing-arm crane, the swing-arm mechanism includes two swing arms spaced apart along the width direction of the vehicle body, and the lifting rod is disposed between the two swing arms.

[0009] As a preferred embodiment of a swing-arm crane, the swing arm includes a main arm rotatably connected to the vehicle body and a secondary arm movable along the length direction of the main arm and connected to the main arm, with the lifting rod located at the end of the secondary arm opposite to the main arm.

[0010] As a preferred embodiment of a swing-arm crane, the forearm is slidably sleeved within the boom.

[0011] As a preferred embodiment of a swing-arm crane, a sliding assembly is provided between the boom and the forearm. The sliding assembly includes a slider and a slide rail, one of which is disposed inside the boom and the other is disposed on the forearm.

[0012] As a preferred embodiment of a swing-arm crane, a first driving component is provided on the boom, which drives the forearm to move along the length of the boom.

[0013] As a preferred embodiment of a swing-arm crane, the first driving component is a telescopic hydraulic cylinder.

[0014] As a preferred embodiment of the swing arm crane, it also includes a second drive unit, which is disposed on the vehicle plate and drives the boom to rotate.

[0015] As a preferred embodiment of a swing-arm crane, the second drive component is a telescopic drive component, one end of which is hinged to the vehicle plate and the other end is hinged to the boom.

[0016] As a preferred embodiment of the swing-arm crane, it also includes a support leg movably mounted on the vehicle body, the support leg being able to support itself on or away from the ground.

[0017] The beneficial effects of this utility model are as follows:

[0018] This utility model provides a swing-arm crane, which includes a vehicle body and a swing-arm mechanism. The swing arm rotates relative to the vehicle body, causing its end (the end facing away from the vehicle platform) to turn outwards. Simultaneously, by adjusting the length of the swing arm, its end moves closer to the container to be lifted, facilitating the attachment of the container to the lifting rod. Then, through the rotation and length adjustment of the swing arm, the container is lifted and placed onto the vehicle platform. Compared to existing technologies, this swing-arm crane has a larger swing arm radius, making it easier to lift containers, offering better flexibility, and is suitable for containers of different sizes. Interference between the container and the swing arm is less likely to cause lifting failure. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of the swing arm crane provided in this embodiment of the utility model;

[0021] Figure 2 This is a partial structural schematic diagram of the swing arm crane provided in this embodiment of the utility model (partial side wall of the boom is not shown);

[0022] Figure 3 This is a side view of a portion of the structure of the swing-arm crane provided in this embodiment of the utility model. Figure 1 ;

[0023] Figure 4 This is a side view of a portion of the structure of the swing-arm crane provided in this embodiment of the utility model. Figure 2 ;

[0024] Figure 5 This is a side view of a portion of the structure of the swing-arm crane receiving and lifting box provided in this embodiment of the utility model. Figure 3 ;

[0025] Figure 6 This is a side view of a portion of the structure of the swing-arm crane receiving and lifting box provided in this embodiment of the utility model. Figure 4 ;

[0026] Figure 7 This is a side view of a portion of the structure of the swing-arm crane receiving and lifting box provided in this embodiment of the utility model. Figure 5 ;

[0027] Figure 8 This is a side view of a portion of the structure of the swing-arm crane receiving and lifting box provided in this embodiment of the utility model. Figure 6 ;

[0028] Figure 9 This is a side view of a portion of the structure of the swing-arm crane receiving and lifting box provided in this embodiment of the utility model. Figure 7 ;

[0029] Figure 10 This is a partial structural side view of two cranes lifting the container body onto the swing arm crane vehicle, as provided in this embodiment of the utility model.

[0030] In the picture:

[0031] 10. Container to be hoisted;

[0032] 1. Vehicle body; 11. Vehicle platform; 2. Swing arm mechanism; 21. Swing arm; 211. Main boom; 212. Forearm; 22. Lifting rod; 23. First drive component; 3. Second drive component; 4. Support leg; 5. Mounting plate; 6. Mounting seat; 7. Mounting baffle. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0034] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0036] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used solely for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Furthermore, the terms "first" and "second" are merely used for descriptive distinction and have no special meaning.

[0037] like Figures 1 to 10 As shown, this embodiment provides a swing-arm crane, which includes a cab and a body 1. The body 1 is connected to the cab, and wheels are provided below the body 1 and the cab. A platform 11 is provided on the body 1 for placing a container 10, such as a garbage bin, to be lifted. The swing-arm crane also includes a swing-arm mechanism 2, which includes at least one swing arm 21 rotatably mounted on the body 1 about a first axis. The first axis is parallel to the plane of the platform 11, i.e., perpendicular to the height direction of the body 1. The length of the swing arm 21 is adjustable. A lifting rod 22 is provided at the end of the swing arm 21 facing away from the platform 11. The lifting rod 22 is used to connect with the container 10 to be lifted. With the rotation and length adjustment of the swing arm 21, the container 10 can be lifted onto the platform 11. (Reference) Figures 3 to 9The swing arm 21 rotates relative to the vehicle body 1, causing the end of the swing arm 21, which is away from the vehicle platform 11, to turn outward from the vehicle body 1. Simultaneously, by adjusting the length of the swing arm 21, the end of the swing arm 21 is brought closer to the container 10 to be lifted, facilitating the attachment of the container 10 to the lifting rod 22. Then, through the rotation and length adjustment of the swing arm 21, the container 10 is lifted and placed onto the vehicle platform 11. Compared to existing technologies, this swing arm crane has a larger operating radius for the swing arm 21, avoiding interference caused by insufficient length of the swing arm 21 leading to the container 10 being too close to the tail of the swing arm mechanism 2, thus affecting the operation of the swing arm mechanism 2. This makes it easier to lift the container 10, providing better flexibility and applicability to containers 10 of different sizes. Interference between the container 10 and the swing arm 21 is less likely to cause lifting failure. That is, when the size of the container to be lifted is large, the length and rotation angle of the swing arm 21 are adjusted so that the lifting rod 22 can be smoothly aligned with the container 10 to be lifted, and there will be no interference with the swing arm 21 during the lifting process; Reference Figure 10 When the size of the container 10 to be hoisted is relatively short, by adjusting the length of the swing arm 21, the container 10 to be hoisted can be placed on the platform 11, that is, two or more containers 10 to be hoisted can be hoisted onto the platform 11 in succession.

[0038] Preferably, such as Figure 2 As shown, the swing arm crane also includes a support leg 4 movably mounted on the vehicle body 1, which can be supported on the ground or away from the ground. When lifting the container 10 to be lifted, the support leg 4 extends to support the ground, making the overall stability of the swing arm crane better and less prone to shaking.

[0039] For example, mounting plates 5 are respectively provided on both sides of the vehicle body 1, and two support legs 4 are provided, which are respectively hinged to the two mounting plates 5 via hinge seats. The support legs 4 are rotatably connected to the hinge seats via rotating shafts. Each mounting plate 5 is also provided with a drive cylinder, one end of which is hinged to the mounting plate 5, and the other end is hinged to the hinge seat. The extension and retraction of the drive cylinder causes the hinge seat to rotate relative to the mounting plate 5, that is, it causes the support leg 4 to move closer to or away from the ground.

[0040] In this embodiment, the swing arm mechanism 2 includes two swing arms 21 spaced apart along the width direction of the vehicle body 1, and a lifting rod 22 is disposed between the two swing arms 21. The two swing arms 21 rotate synchronously and adjust their length synchronously, so that the lifting rod 22 moves to the point of contact with the box 10 to be lifted and carries the box 10 to be lifted onto the vehicle platform 11, with good stability and high lifting reliability. When the box 10 to be lifted is lifted, it is located between the two swing arms 21, which can effectively avoid interference with the swing arms 21.

[0041] Specifically, the swing arm 21 includes a large arm 211 rotatably connected to the vehicle body 1 and a small arm 212 movable along the length of the large arm 211 and connected to the large arm 211. The lifting rod 22 is located at the end of the small arm 212 opposite to the large arm 211. By moving the small arm 212 along the length of the large arm 211, the overall length of the swing arm 21 can be lengthened or shortened to adjust the rotation radius of the swing arm 21, thereby adapting to different positions and sizes of the container 10 to be lifted.

[0042] More specifically, a first drive member 23 is provided on the boom 211, which drives the forearm 212 to move along the length of the boom 211. That is, the first drive member 23 provides power for the movement of the forearm 212, causing it to move along the length of the boom 211 to adjust the overall length of the swing arm 21. The first drive member 23 may be, but is not limited to, a telescopic hydraulic cylinder.

[0043] In this embodiment, the forearm 212 is slidably sleeved within the upper arm 211, meaning the upper arm 211 and forearm 212 are slidably connected, resulting in a relatively stable and reliable movement trajectory for the forearm 212. A telescopic cylinder is located within the upper arm 211, and its extension and retraction drive the forearm 212 to extend and retract relative to the upper arm 211, thereby adjusting the length of the swing arm 21.

[0044] Preferably, a sliding assembly is provided between the boom 211 and the forearm 212. The sliding assembly includes a slider and a slide rail, one of which is disposed inside the boom 211, and the other is disposed on the forearm 212. Through the sliding cooperation of the slider and the slide rail, the relative sliding between the boom 211 and the forearm 212 is smoother, less prone to jamming, which helps to extend service life and reduce the failure rate. The slide rail can be a surface on one side of the boom 211 body, or a track provided on one side of the boom 211.

[0045] Furthermore, the swing arm crane also includes a second drive unit 3, which is mounted on the platform 11 and drives the boom 211, enabling the boom 211 to rotate. The second drive unit 3 provides rotational power to the boom 211, precisely controlling the rotation angle of the boom 211.

[0046] In this embodiment, the second driving component 3 is a telescopic driving component. One end of the telescopic driving component is hinged to the vehicle platform 11, and the other end is hinged to the boom 211. By extending and retracting the telescopic driving component, the boom 211 is driven to rotate relative to the vehicle body 1 or the vehicle platform 11. The telescopic driving component is a telescopic hydraulic cylinder. For example, when the telescopic driving component is fully retracted, the boom 211 is located above the vehicle platform 11 and forms an acute angle with the vehicle platform 11. As the telescopic driving component extends, the boom 211, i.e., the swing arm 21, rotates outward relative to the vehicle platform 11 until most of the swing arm 21 is outside the vehicle platform 11 and forms an obtuse angle with the vehicle platform 11, so that the hoisting rod 22 approaches the box 10 to be hoisted. After the hoisting rod 22 hoists the box 10, the telescopic driving component retracts, and at the same time, the length of the swing arm 21 is adjusted so that the box 10 to be hoisted falls onto the vehicle platform 11.

[0047] Specifically, a mounting base 6 is provided on the boom 211, and one end of the telescopic drive component is hinged to the mounting base 6, so that the telescopic drive component can smoothly drive the swing arm 21 to rotate.

[0048] For example, such as Figure 1 As shown, mounting baffles 7 are respectively arranged on both sides of the vehicle platform 11. Each mounting baffle 7 group includes two mounting baffles 7 spaced apart along the width direction of the vehicle platform 11. A mounting groove is formed between the two mounting baffles 7 in the same mounting baffle 7 group. Two telescopic drive components are provided, located in the two mounting grooves respectively, for driving the two swing arms 21 respectively. The mounting baffles 7 group can provide protection for the telescopic drive components, avoiding collisions and scratches between the box 10 to be lifted and the telescopic drive components when it falls on the vehicle platform 11.

[0049] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention. The scope of the present invention is determined by the scope of the appended claims.

Claims

1. A swing-arm crane, characterized in that, include: The vehicle body, on which a vehicle panel is provided; The swing arm mechanism includes at least one swing arm rotatably mounted on the vehicle body about a first axis, the first axis being parallel to the plane of the vehicle platform. The length of the swing arm is adjustable, and a lifting rod is provided at one end of the swing arm away from the vehicle platform. The lifting rod is used to connect with the box to be lifted. As the swing arm rotates and its length is adjusted, the box to be lifted can be lifted onto the vehicle platform.

2. The swing-arm crane according to claim 1, characterized in that, The swing arm mechanism includes two swing arms spaced apart along the width direction of the vehicle body, and the hoisting rod is disposed between the two swing arms.

3. The swing-arm crane according to claim 1, characterized in that, The swing arm includes a large arm rotatably connected to the vehicle body and a small arm movable along the length of the large arm and connected to the large arm, with the hoisting rod located at the end of the small arm opposite to the large arm.

4. The swing-arm crane according to claim 3, characterized in that, The forearm is slidably fitted inside the upper arm.

5. The swing-arm crane according to claim 4, characterized in that, A sliding assembly is provided between the upper arm and the lower arm. The sliding assembly includes a slider and a slide rail. One of the slider and the slide rail is disposed inside the upper arm, and the other is disposed on the lower arm.

6. The swing-arm crane according to claim 3, characterized in that, The upper arm is provided with a first driving component, which drives the lower arm to move along the length direction of the upper arm.

7. The swing-arm crane according to claim 6, characterized in that, The first driving component is a telescopic hydraulic cylinder.

8. The swing-arm crane according to claim 3, characterized in that, It also includes a second drive unit, which is disposed on the vehicle plate and drives the boom to rotate.

9. The swing-arm crane according to claim 8, characterized in that, The second driving component is a telescopic driving component, one end of which is hinged to the vehicle plate and the other end is hinged to the boom.

10. The swing-arm crane according to any one of claims 1-9, characterized in that, It also includes support legs that are movably mounted on the vehicle body, the support legs being able to support the ground or away from the ground.

Images