Multimodal transport loading and unloading machine

Abstract

The utility model discloses a multimodal transport loading and unloading machine. The multimodal transport loading and unloading machine comprises a vehicle body, a lifting mechanism, a working accessory and a rotation driving mechanism, and the lifting mechanism is provided with a lifting seat capable of vertically lifting. The working accessory comprises a first frame body capable of being vertically and rotatably connected to the hoisting base, a turnover frame capable of being connected into the first frame body in a turnover mode and a lifting frame, the lifting frame can be connected to the turnover frame in a lifting and sliding mode, the lifting frame is provided with a lower frame body connected with the container, and the lower frame body is provided with a spin lock structure. The rotation driving mechanism is connected with the first frame body. The device can be directly matched with an F-TR lock (spin lock) on the flatcar to assemble and lock a hoisted container on the flatcar, or unlock and hoist out the container on the flatcar; the vehicle body can also transport the container to a designated position or transport the container to a flatcar from other positions, and the cross-country transportation effect is achieved; bulk cargoes in a container can be dumped out by matching with the overturning frame and the lifting frame, multimodal transport of a railway is achieved, and engineering equipment does not need to be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering, in particular to a multimodal transport loading and unloading machine. Background Art

[0002] In today's world, under the background of vigorously promoting the development of multimodal transport and optimizing and adjusting the transportation structure in my country, the loading and unloading problem of the "last mile" of container bulk cargo has become a pain point. In 2007, F-TR locks (rotation locks) were put into use on railway flat cars. When gantry cranes and reach cranes are used to lift containers, the lifting equipment should have the functions of "vertical movement + plane rotation" and need to be equipped with corresponding electronic monitoring unlocking functions, otherwise it is very easy to cause the railway flat car to derail and cause accidents. Existing lifting containers are generally lifted from flat cars by gantry cranes and reach cranes, placed in open space, and then unloaded by other equipment. Existing equipment cannot achieve multiple uses of one machine. Utility Model Content

[0003] The utility model provides a multimodal transport loading and unloading machine, which overcomes the shortcomings existing in the background technology.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a multimodal transport loading and unloading machine, comprising:

[0005] Vehicle body (8);

[0006] A lifting mechanism mounted on the vehicle body (8), the lifting mechanism being provided with a lifting seat capable of vertical lifting;

[0007] A working attachment (207), the working attachment (207) comprising a first frame (203) that can rotate vertically and is connected to a lifting seat, a flip frame (205) that can flip and is connected to the first frame (203), and a lifting frame that can load and unload containers in multimodal transport, the lifting frame can be lifted and slidably connected to the flip frame (205), the lifting frame is provided with a lower frame (202) connected to the container, and the lower frame (202) is provided with a rotary lock structure (2023); and

[0008] A rotation driving mechanism is connected to the first frame (203).

[0009] In one embodiment: the working tool (207) further comprises a rotary drive mechanism (201), and the rotary drive mechanism (201) is drivingly connected to the turning frame (205).

[0010] In one embodiment: the working tool (207) further comprises at least one pair of lifting cylinders (204), the upper ends of the piston rods of the lifting cylinders (204) are rotatably connected to the tilting frame (205), the upper or middle parts of the cylinder bodies of the lifting cylinders (204) are rotatably connected to the lifting frame, and the two lifting cylinders (204) of the pair of lifting cylinders (204) are arranged in an inverted eight-shaped structure, and the facing side walls of the cylinder bodies of the two lifting cylinders (204) have clamping parts (2041) for clamping containers.

[0011] In one embodiment: the working attachment (207) further comprises at least one pair of lifting cylinders (204), the lifting cylinders (204) connecting the tilting frame (205) and the lifting frame, the lifting cylinders (204) comprising a cylinder body and a piston rod slidably connected to the cylinder body, and the lifting frame is driven to rise and fall by the lifting cylinder (204), the piston rod of the lifting cylinder (204) is arranged to be inclined from top to bottom toward the container relative to the sliding direction of the cylinder body, and the lifting cylinder (204) has a clamping portion (2041) that gradually moves inward to closely contact the container during the process of the lifting frame being driven to rise by the lifting cylinder (204).

[0012] In one embodiment, the lifting mechanism comprises a lifting cylinder (5), a movable arm (6), a movable arm cylinder (7) and an arm frame structure (4); the arm frame structure (4) comprises a basic arm (403), a telescopic arm (401) slidably connected to the basic arm (403) and a telescopic driving member (402); the telescopic driving member (402) is connected to the telescopic arm (401) and drives the telescopic arm (401) to slide relative to the basic arm (403) to achieve telescopic movement; the telescopic arm (401) is provided with the above-mentioned lifting seat The first end of the lifting cylinder (5) is rotatably connected to the vehicle body (8), and the second end is rotatably connected to the basic arm (403); the movable arm (6) has two first connecting arms (61, 62) and a second connecting arm (63) that cooperate to form an inverted V shape, and the first connecting arm (61) is rotatably connected to the vehicle body (8); the first end of the movable arm cylinder (7) is rotatably connected to the vehicle body (8), and the second end is rotatably connected to another first connecting arm (62), and the second connecting arm (63) is rotatably connected to the basic arm (403).

[0013] In one embodiment: the second end of the lifting cylinder (5) is rotatably connected to the connection position of the basic arm (403) and the second connecting arm (63) is rotatably connected to the connection position of the basic arm (403) and are arranged front and rear relative to the boom structure (4).

[0014] In one embodiment, it also includes a leveling cylinder (3), the first end of the leveling cylinder (3) is rotatably connected to the hanging seat, and the second end is rotatably connected to the first frame (203).

[0015] In one embodiment: it also includes a translation cylinder (206) and a rotating component, the rotating component is rotatably connected to the lifting seat, and the rotating drive mechanism is transmission-connected to the rotating component; the first frame (203) is horizontally movably connected to the rotating component, the first end of the translation cylinder (206) is connected to the rotating component, and the second end is connected to the first frame (203), and the working tool (207) is driven to translate relative to the rotating component through the translation cylinder (206).

[0016] In one embodiment: the lifting frame includes a lower frame (202); the turning frame (205) includes two turning seats (2052), a U-shaped upper frame (2053) fixed on the two turning seats (2052) and two matching beams (2051), the two matching beams (2051) and the upper frame (2053) are relatively fixedly arranged, and the two matching beams (2051) are respectively located below the two sides of the upper frame (2053), and the spacing between the two matching beams (2051) is adapted to the width of the container; the lower frame (202) is protruding with a lug, and the lifting cylinder (204) is rotatably connected to the lug.

[0017] Compared with the background technology, this technical solution has the following advantages:

[0018] The multimodal transport loading and unloading machine of the utility model can directly cooperate with the F-TR lock (twist lock) on the railway flat car to load and lock the hoisted container A on the railway flat car B, or unlock and hoist the container A on the railway flat car; the vehicle body itself can also transport the container to a designated location or transport it from other locations to the railway flat car, playing a role in off-road transportation; in conjunction with the tipping frame and the lifting frame, the bulk cargo in the container can be dumped out, realizing railway multimodal transport without replacing engineering equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1 It is a structural schematic diagram of an intermodal transport loader and unloader according to a specific implementation method.

[0021] Figure 2 It is a structural schematic diagram of a lifting frame of an intermodal transport loader and unloader according to a specific embodiment connected to a container located on a train.

[0022] Figure 3 It is a structural schematic diagram of a specific implementation method of a multimodal transport loader and unloader, in which a lifting frame is connected to a container and a lifting mechanism drives accessories to rise.

[0023] Figure 4 It is a structural schematic diagram of a multimodal transport loading and unloading machine driving a turning frame to turn over in a specific implementation manner.

[0024] Figure 5It is a structural schematic diagram of the boom structure of a specific implementation method.

[0025] Figure 6 It is a structural schematic diagram of a movable arm of a specific implementation method.

[0026] Figure 7 It is a structural schematic diagram of a mounting base according to a specific implementation method.

[0027] Figure 8 It is a structural schematic diagram of a working tool according to a specific implementation method.

[0028] Fig. 9 It is a structural schematic diagram of the first frame of a specific implementation method.

[0029] Fig.10 It is a structural schematic diagram of a turnover frame of a specific implementation method.

[0030] Fig.11 It is a structural schematic diagram of a lifting frame of a specific implementation method.

[0031] Fig.12 It is a schematic diagram of the principle that the clamping part gradually moves inwards during the ascending process of the lifting frame of the attachment in a specific implementation method.

[0032] Fig.13 It is a front view schematic diagram of a specific implementation method of the attachment connected to the container.

[0033] Fig.14 It is a three-dimensional schematic diagram of a specific implementation method of the attachment connected to the container.

[0034] Fig.15 It is a three-dimensional schematic diagram of a specific implementation method in which the attachment is connected to the container and the turning frame is turned over.

[0035] Description of labels:

[0036] Mounting base 1, leveling cylinder 3, boom structure 4, lifting cylinder 5, boom 6, boom cylinder 7, vehicle body 8;

[0037] Fixed rod 101, crank arm 102, upper connecting position 11, lower connecting position 12, front connecting position 13;

[0038] Rotation drive mechanism 201, lower frame 202, first frame 203, lifting cylinder 204, tilting frame 205, translation cylinder 206, attachment 207, rotating component 208;

[0039] A first roller 2021, a second roller 2022, and a rotary lock structure 2023;

[0040] Clamping portion 2041;

[0041] Matching beam 2051, turning seat 2052, upper frame 2053;

[0042] Telescopic arm 401, telescopic driving member 402, basic arm 403, hanging seat 4011;

[0043] First connecting arms 61 , 62 , and second connecting arm 63 . DETAILED DESCRIPTION

[0044] Please refer to Figures 1 to 15 A multimodal transport loading and unloading machine includes a vehicle body 8, a lifting mechanism, a working attachment 207 and a rotating drive mechanism. The vehicle body 8 can provide a power source for each driving component. The lifting mechanism is mounted on the vehicle body 8 and is provided with a lifting seat 4011 capable of vertical lifting. The attachment 207 includes a first frame 203, a turnover frame 205 and a rotary drive mechanism 201. The turnover frame 205 can be turned and connected in the first frame 203. The rotary drive mechanism 201 is connected to the turnover frame 205 in a driving manner. The attachment 207 is also provided with a lower frame 202 capable of loading and unloading a container A, and the lower frame 202 is provided with a rotary lock structure 2023. The first frame 203 can be connected to the lifting seat to rotate vertically, and the rotation drive mechanism is connected to the first frame 203 to drive the attachment 207 to rotate vertically, that is, to rotate horizontally. Therefore, in this embodiment, the first frame 203 is also a horizontal rotating frame 203, and the attachment 207 is also a horizontal rotating attachment. The rotation drive mechanism is such as a motor or a hydraulic motor. Through the rotation of the first frame 203 and the vertical lifting of the lifting seat 4011, firstly, the multimodal transport loading and unloading machine can directly cooperate with the F-TR lock (rotation lock) on the railway flat car to realize the installation and locking of the hoisted container A on the railway flat car B, or unlock and lift out the container A on the railway flat car; secondly, the car body itself can also transport the container to a designated location or transport it from other locations to the railway flat car, playing a role in off-road transportation; thirdly, in conjunction with the turning frame and the lifting frame, the bulk cargo in the container can be dumped out.

[0045] The lifting mechanism includes a lifting cylinder 5, a boom 6, a boom cylinder 7 and a boom structure 4; the boom structure 4 includes a basic arm 403, a telescopic arm 401 slidably connected to the basic arm 403 and a telescopic drive member 402, the telescopic drive member 402 is connected to the telescopic arm 401 and drives the telescopic arm 401 to slide relative to the basic arm 403 to achieve telescoping, the telescopic arm 401 is provided with the above-mentioned lifting seat 4011, and the auxiliary rotary lock structure 2023 is aligned with the corner hole on the container through the front and rear contraction of the boom; the first end of the lifting cylinder 5 is rotatably connected to the car body 8, and the second end is rotatably connected to the basic arm 403; the boom 6 has two first connecting arms 61, 62 and a second connecting arm 63 that cooperate to form an inverted V shape, the first connecting arm 61 is rotatably connected to the car body 8, the first end of the boom cylinder 7 is rotatably connected to the car body 8, and the second end is rotatably connected to another first connecting arm 62, and the second connecting arm 63 is rotatably connected to the basic arm 403. The second end of the lifting cylinder 5 is rotatably connected to the connection position of the basic arm 403 and the second connecting arm 63 is rotatably connected to the connection position of the basic arm 403, which are arranged front and rear relative to the boom structure 4. The combination of the above-mentioned structure can control the vertical lifting of the lifting seat and the entire vehicle body structure is stable and reliable under the premise of ensuring transportation. In the specific structure: 1. A mounting seat 1 is fixedly arranged at the front end of the vehicle body 8. The mounting seat 1 has an upper connecting position 11, a lower connecting position 12 and a front connecting position 13. The upper and lower connecting positions 11 and 12 are arranged up and down, and the front connecting position 13 is located before the upper and lower connecting positions 11 and 12. A first connecting arm 61 is rotatably connected to the upper connecting position 11, and the first end of the boom cylinder 7 is rotatably connected to the lower connecting position 12. The first end of the lifting cylinder 5 is rotatably connected to the front connecting position 13. The front connecting position 13 is fixed with a fixed rod 101. The fixed rod 1 01, a crank arm 102 is provided, and the first end of the lifting cylinder 5 is rotatably connected to the crank arm 102; this structure is adopted to facilitate assembly and enhance stability; 2, the basic arm 403 includes a lower plate, the telescopic arm 401 includes a first plate and a second plate arranged at a fixed interval up and down, the second plate can be slidably connected to the lower plate, the telescopic driving member 402 includes a telescopic cylinder, the cylinder body of the telescopic cylinder is installed on the second plate, and the piston rod of the telescopic cylinder is fixedly connected to the lower plate; the lifting seat is fixedly connected to the front ends of the first plate and the second plate to enhance the connection strength.

[0046] Furthermore, it also includes a leveling cylinder 3, a first end of which is rotatably connected to the lifting seat, and a second end of which is rotatably connected to the first frame 203. When the container is lifted or transported, the leveling cylinder 3 can ensure that the turning frame and the container will not shake as the container is lifted or transported.

[0047] Furthermore, it also includes a translation cylinder 206 and a rotating component 208, the rotating component 208 is rotatably connected to the lifting seat 4011, and the rotating drive mechanism is transmission-connected to the rotating component, such as a motor, a hydraulic motor, etc.; the first frame 203 is horizontally movably connected to the rotating component, the first end of the translation cylinder 206 is connected to the rotating component, and the second end is connected to the first frame 203. The translation cylinder 206 drives the attachment 207 to translate relative to the rotating component, and the translation cylinder 206 can assist the rotary lock structure 2023 on the lower frame 202 to align with the corner hole on the container, thereby improving the accuracy of unlocking and locking. In the specific structure: an upper horizontal rotating seat is arranged under the lifting seat 4011, and the upper horizontal rotating seat includes an upper turntable and an upper fixed plate. The upper turntable is fixedly arranged under the upper fixed plate, and two connecting ears are protruding on the upper fixed plate, and the lifting seat 4011 is connected to the connecting ears; the rotating component includes a lower horizontal rotating seat and two side plates, and the lower horizontal rotating seat includes a lower turntable and a lower fixed plate fixedly connected to the lower turntable, and the two side plates are fixedly arranged on both sides of the lower fixed plate, and the lower part of the two side plates protrudes inward, and the lower fixed plate, the side plate and the protrusion cooperate to form a horizontal slide groove structure connected to the main beam, and the main beam is translated and connected to the horizontal slide groove structure; the upper turntable and the lower turntable can be rotatably connected together; the first end of the translation cylinder 206 is connected to a side plate, and the second end is connected to the main beam.

[0048] The attachment 207 includes a first frame 203, a tilting frame 205, a rotary drive mechanism 201, a lifting frame capable of loading and unloading containers, and a lifting cylinder 204. The tilting frame 205 can be tilted and connected in the first frame 203; the rotary drive mechanism 201 is connected to the tilting frame 205 by transmission; the lifting frame can load and unload containers, and the lifting frame can be lifted and slidably connected to the tilting frame 205; the lifting cylinder 204 connects the tilting frame 205 and the lifting frame, the lifting cylinder 204 includes a cylinder body and a piston rod slidably connected to the cylinder body, and the lifting frame is driven to rise and fall by the lifting cylinder 204, the piston rod of the lifting cylinder 204 is tilted from top to bottom relative to the sliding direction of the cylinder body toward the container, and the lifting cylinder 204 has a clamping part 2041 that gradually moves inward to closely contact the container during the process of the lifting frame being driven by the lifting cylinder 204 to rise, and the clamping part 2041 is fixed to the friction pad of the lifting cylinder, or is only a part of the lifting cylinder that contacts the container. In the specific structure: at least one pair of lifting cylinders 204 is provided, the upper ends of the piston rods of the lifting cylinders 204 are rotatably connected to the turning frame 205, the upper or middle part of the cylinder body of the lifting cylinder 204 is rotatably connected to the lifting frame, and the two lifting cylinders 204 of a pair of lifting cylinders 204 are arranged in an inverted eight-shaped structure, and the facing side walls of the cylinder bodies of the two lifting cylinders 204 have the above-mentioned clamping parts 2041. During the rising process of the lifting frame, the two cylinder bodies rotate inwardly relative to the rotation point of the lifting frame, so that the clamping parts 2041 gradually move inwardly to clamp the container A. The lifting mechanism can not only realize the lifting drive to lift the container, but also play a role in clamping the container during the lifting process, thereby improving the stability and firmness of the container during the turning process.

[0049] The first frame 203 includes a main beam and two vertical beams respectively fixed at both ends of the main beam. The flip frame 205 can be flipped and connected between the two vertical beams, and the rotary drive mechanism 201 is installed in the vertical beam. The lifting frame includes a lower frame 202; the flip frame 205 includes two flip seats 2052, a square-shaped upper frame 2053 fixed on the two flip seats 2052, and two matching beams 2051. The two matching beams 2051 and the upper frame 2053 are relatively fixed, and the two matching beams 2051 are respectively located directly below the two rods of the upper frame 2053, and the spacing between the two matching beams 2051 is adapted to the width of the container; the lower frame 202 is convexly provided with a lug, and the lifting cylinder 204 is rotatably connected to the lug. The stability and firmness of the container during the flipping process can be improved by the matching beam.

[0050] The lower frame 202 is provided with a sliding seat, and the flip seat 2052 is provided with a lifting slide groove, and the sliding seat is slidably connected to the lifting slide groove; the sliding seat is provided with a first roller 2021 whose axis is arranged along the first direction and a second roller 2022 whose axis is arranged along the second direction, and the first roller 2021 and the second roller 2022 are connected to the lifting slide groove, and the first direction and the second direction are perpendicular to the lifting direction of the lifting frame, so as to reduce friction and improve lifting smoothness.

[0051] The multimodal transport loading and unloading machine of this embodiment comprehensively considers the entire process of lifting, transporting, unloading and lifting the container back to the flat car in multimodal transport, and produces a comprehensive product that can play a practical role in practice.

[0052] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the patent scope of the present invention and the contents of the specification should still fall within the scope of protection covered by the present invention.

Claims

1. An intermodal loading and unloading machine, characterized in that: include: Body (8); A lifting mechanism mounted on the vehicle body (8), the lifting mechanism being provided with a lifting seat capable of vertical lifting; A working attachment (207), the working attachment (207) comprising a first frame body (203) connected to a lifting seat and capable of vertical rotation, a flip frame (205) connected to the first frame body (203) and capable of flipping, and a lifting frame connected to a container for multimodal transport loading and unloading, the lifting frame being capable of lifting and sliding and connected to the flip frame (205), the lifting frame being provided with a lower frame body (202) connected to the container, the lower frame body (202) being provided with a rotary lock structure (223); and A rotation drive mechanism is connected to the first frame (203).

2. The multimodal transport loading and unloading machine according to claim 1, characterized in that: The working attachment (207) further comprises a rotary drive mechanism (201), wherein the rotary drive mechanism (201) is drivingly connected to the turnover frame (205).

3. The multimodal transport loading and unloading machine according to claim 1, characterized in that: The working attachment (207) further comprises at least one pair of lifting cylinders (204), the upper ends of piston rods of the lifting cylinders (204) being rotatably connected to the tilting frame (205), the upper or middle parts of cylinder bodies of the lifting cylinders (204) being rotatably connected to the lifting frame, and the two lifting cylinders (204) of the pair of lifting cylinders (204) being arranged in an inverted eight-shaped structure, and the facing side walls of the cylinder bodies of the two lifting cylinders (204) having clamping parts (2041) for clamping containers.

4. The multimodal transport loading and unloading machine according to claim 1, characterized in that: The working attachment (207) further comprises at least one pair of lifting cylinders (204), wherein the lifting cylinders (204) are connected to the tilting frame (205) and the lifting frame, wherein the lifting cylinders (204) comprise a cylinder body and a piston rod slidably connected to the cylinder body, and the lifting frame is driven to rise and fall by the lifting cylinders (204), wherein the piston rod of the lifting cylinders (204) is arranged in an inclined manner from top to bottom in a direction biased toward the container relative to the sliding direction of the cylinder body, and the lifting cylinders (204) have a clamping portion (2041) that gradually moves inwards to closely contact the container during the process of the lifting frame being driven to rise by the lifting cylinders (204).

5. The multimodal transport loading and unloading machine according to claim 1, characterized in that: The lifting mechanism comprises a lifting cylinder (5), a movable arm (6), a movable arm cylinder (7) and a boom structure (4); the boom structure (4) comprises a basic arm (403), a telescopic arm (401) slidably connected to the basic arm (403), and a telescopic drive member (402); the telescopic drive member (402) is connected to the telescopic arm (401) and drives the telescopic arm (401) to slide relative to the basic arm (403) to achieve telescopic movement; the telescopic arm (401) is provided with the above-mentioned lifting seat; the lifting mechanism comprises a lifting cylinder (5), a movable arm (6), a movable arm cylinder (7) and a boom structure (4); the boom structure (4) comprises a basic arm (403), a telescopic arm (401) slidably connected to the basic arm (403), and a telescopic drive member (402); the telescopic drive member (402) is connected to the telescopic arm (401) and drives the telescopic arm (401) to slide relative to the basic arm (403) to achieve telescopic movement; the telescopic arm (401) is provided with the above-mentioned lifting seat; The first end of the oil cylinder (5) is rotatably connected to the vehicle body (8), and the second end is rotatably connected to the basic arm (403); the movable arm (6) comprises two first connecting arms (61, 62) and a second connecting arm (63) which cooperate to form an inverted V shape, the first connecting arm (61) being rotatably connected to the vehicle body (8), the first end of the movable arm oil cylinder (7) being rotatably connected to the vehicle body (8), and the second end being rotatably connected to another first connecting arm (62), and the second connecting arm (63) being rotatably connected to the basic arm (403).

6. The multimodal transport loading and unloading machine according to claim 5, characterized in that: The connection position at which the second end of the lifting oil cylinder (5) is rotatably connected to the basic arm (403) and the connection position at which the second connecting arm (63) is rotatably connected to the basic arm (403) are arranged front and rear relative to the boom structure (4).

7. The multimodal transport loading and unloading machine according to claim 1, characterized in that: It also comprises a levelling oil cylinder (3), the first end of which is rotatably connected to the lifting seat, and the second end of which is rotatably connected to the first frame (203).

8. The multimodal transport loading and unloading machine according to claim 1, characterized in that: It also includes a translation cylinder (206) and a rotating component, the rotating component is rotatably connected to the lifting seat, and the rotating drive mechanism is transmission-connected to the rotating component; the first frame (203) is horizontally movably connected to the rotating component, the first end of the translation cylinder (206) is connected to the rotating component, and the second end is connected to the first frame (203), and the working tool (207) is driven to translate relative to the rotating component through the translation cylinder (206).

9. The multimodal transport loading and unloading machine according to claim 3, characterized in that: The lifting frame comprises a lower frame body (202); the turning frame (205) comprises two turning seats (2052), an upper frame body (2053) in a U-shaped shape fixedly arranged on the two turning seats (2052), and two matching beams (2051); the two matching beams (2051) and the upper frame body (2053) are relatively fixedly arranged, and the two matching beams (2051) are respectively located below the two sides of the upper frame body (2053), and the distance between the two matching beams (2051) is adapted to the width of the container; the lower frame body (202) is protrudingly provided with a lug, and the lifting oil cylinder (204) is rotatably connected to the lug.

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