A support arm for a stainless steel transfer trolley

Abstract

The utility model relates to a transfer trolley technical field discloses a stainless steel transfer trolley's support arm, including support column, the bottom sliding connection of support column has hollow column, the left and right side bottom end of support column all are fixedly connected with fixed plate, the left and right side middle part of support column all are fixedly connected with protruding block, two the far away one end of fixed plate all are rotatably connected with rotating column no.

Description

Technical Field

[0001] This utility model relates to the field of transfer trolley technology, and in particular to a support arm for a stainless steel transfer trolley. Background Technology

[0002] Transfer trolleys, also known as material handling trolleys or flatbed trolleys, are wheeled devices used in industrial environments such as factories, warehouses, and workshops for short-distance transportation of materials, parts, or products. Essentially, they are mobile temporary storage platforms. Their core function is to enable the efficient, orderly, and safe flow of materials between different workstations, production lines, or equipment, thereby seamlessly connecting static warehousing with dynamic production processes. They are characterized by simple structure, flexibility, convenience, variety, and strong customization. They are indispensable basic equipment in modern manufacturing and logistics industries and important tools for optimizing production processes and improving efficiency.

[0003] In the design of traditional stainless steel transfer trolleys, operators need to use special tools to loosen the bolts one by one before disassembly. This adjustment method is not only cumbersome and time-consuming, but also relies on the operator's experience for tightening force. By using a lever-type tightening mechanism here, the trolley can be quickly unlocked and connected simply by moving the lever, which greatly saves operation time. Moreover, its structure is more stable. At the same time, traditional support arms are mostly rigid connection structures, lacking an effective shock absorption and buffering mechanism. When the trolley travels on uneven ground or starts and stops suddenly, the resulting vibration will be directly transmitted to the precision instruments or fragile materials it carries, causing the transported items to fall and be damaged. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a support arm for a stainless steel transfer trolley, which aims to improve the problem in the prior art where operators need to use special tools to loosen the bolts one by one before disassembly.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a support arm for a stainless steel transfer trolley, comprising a support column, a hollow column slidably connected to the bottom of the support column, a fixing plate fixedly connected to the bottom of both the left and right sides of the support column, a protrusion fixedly connected to the middle of both the left and right sides of the support column, a rotating column two rotatably connected to the opposite ends of the two fixing plates, a connecting block rotatably connected to the outer wall of each of the two rotating columns two, a rotating column one rotatably connected to the inner wall of each of the two connecting blocks, a handle fixedly connected to the top of each of the two connecting blocks, a U-shaped rod slidably connected to the inner wall of each of the two rotating columns one, U-shaped blocks fixedly connected to the left and right sides of the hollow column, and a shock-absorbing mechanism provided at the bottom of the hollow column. The function of the shock-absorbing mechanism is to reduce vibration damage to the transfer trolley and goods.

[0006] As a further description of the above technical solution:

[0007] The shock absorption mechanism includes a stud, the top of which is fixedly connected to the bottom of a hollow column. An internal threaded block is threadedly connected to the outer wall of the stud, and a support block is rotatably connected to the outer wall of the internal threaded block. Connecting columns are fixedly connected to the left and right sides of the bottom of the hollow column. A piston is fixedly connected to the bottom of a plurality of connecting columns, and a hollow block is slidably connected to the outer wall of a plurality of pistons.

[0008] As a further description of the above technical solution:

[0009] The inner wall of the support column is slidably connected to a sliding column, and the outer wall of the sliding column is provided with a threaded hole.

[0010] As a further description of the above technical solution:

[0011] The inner wall of the sliding column is fixedly connected with a reinforcing plate, and the left and right sides of the sliding column are fixedly connected with limiting rods.

[0012] As a further description of the above technical solution:

[0013] The inner wall of the support column has grooves on both the left and right sides, and a support plate is fixedly connected to the bottom of the inner wall of the support column.

[0014] As a further description of the above technical solution:

[0015] The top of the support column is threaded with a bolt, and the tops of the two U-shaped rods are threaded with screws.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the support column has a through hole, and the bottom end of the U-shaped rod is in contact with the inner wall of the U-shaped block.

[0018] As a further description of the above technical solution:

[0019] The tops of the pistons are provided with springs, and the bottoms of the hollow blocks are all fixedly connected to the top of the transport vehicle.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, pulling down the handle causes the connecting block to rotate around the second rotating column as the center. The connecting block causes the first rotating column to move downward, and the first rotating column causes the U-shaped rod to move downward, pushing the U-shaped rod to the bottom of the U-shaped block. Pushing the handle upward causes the U-shaped rod to move upward until the top of the connecting block is attached to the protrusion. When the trolley shakes, the U-shaped block and the U-shaped rod pull each other, making the support column more and more fixed on the hollow column.

[0022] 2. In this utility model, when vibration occurs, the hollow column pulls the stud and connecting column upward, and the connecting column drives the piston to move upward. The piston compresses the air and spring inside the hollow block. Since the internal thread block and the stud are threadedly connected, the friction between the stud and the internal thread block increases with the pulling. The air pressure and the friction between the internal thread block and the stud slow down the movement speed of the hollow column, and the spring gradually counteracts the upward force. Attached Figure Description

[0023] Figure 1 This is an overall front view of the support arm of a stainless steel transfer trolley proposed in this utility model.

[0024] Figure 2 This is an overall top view of the support arm of a stainless steel transfer trolley proposed in this utility model.

[0025] Figure 3 This is a split view of the connecting block of the support arm of a stainless steel transfer trolley proposed in this utility model.

[0026] Figure 4 This is an exploded view of the shock absorption mechanism of the support arm of a stainless steel transfer cart proposed in this utility model.

[0027] Figure 5 This is a split view of the support column of the support arm of a stainless steel transfer trolley proposed in this utility model.

[0028] Legend:

[0029] 1. Support column; 2. Shock absorption mechanism; 201. Stud; 202. Connecting column; 203. Internal threaded block; 204. Piston; 205. Hollow block; 206. Support block; 3. Handle; 4. Rotating column one; 5. U-shaped block; 6. Hollow column; 7. U-shaped rod; 8. Connecting block; 9. Protrusion; 10. Fixing plate; 11. Rotating column two; 12. Bolt; 13. Sliding column; 14. Reinforcing plate; 15. Groove; 16. Support plate; 17. Screw; 18. Spring; 19. Threaded hole; 20. Limiting rod; 21. Through hole. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see the appendix Figure 1 - Appendix Figure 3This utility model provides an embodiment of a support arm for a stainless steel transfer trolley, comprising a support column 1, which is a hollow structure. A hollow column 6 is slidably connected to the bottom of the support column 1, and the hollow column 6 is slidably connected to the top of the transfer trolley. Fixing plates 10 are fixedly connected to the bottom ends of both sides of the support column 1, and the fixing plates 10 support connecting blocks 8. Protrusions 9 are fixedly connected to the middle of both sides of the support column 1. Rotating columns 11 are rotatably connected to the opposite ends of the two fixing plates 10, and connecting blocks 8 are rotatably connected to the outer walls of both rotating columns 11. Block 8, rotating column 11 and fixed plate 10 are rotatably connected to each other to ensure flexible rotation of the components. Rotating column 4 is rotatably connected to the inner wall of each of the two connecting blocks 8. Handles 3 are fixedly connected to the top of each of the two connecting blocks 8. U-shaped rods 7 are slidably connected to the inner wall of each of the two rotating columns 4. U-shaped blocks 5 are fixedly connected to the left and right sides of the hollow column 6. U-shaped blocks 5 and U-shaped rods 7 cooperate to pull each other to fix the support column 1 on the hollow column 6. A shock-absorbing mechanism 2 is provided at the bottom of the hollow column 6. The function of the shock-absorbing mechanism 2 is to reduce the damage of vibration to the transport vehicle and the goods.

[0032] Specifically, the support column 1 has a hollow design. A hollow column 6 is slidably connected to the bottom of the support column 1. The hollow column 6 is installed on the top of the transport trolley and can slide up and down along its recessed surface. Fixing plates 10 are fixedly connected to the bottom of the left and right sides of the support column 1. The fixing plates 10 support the connecting blocks 8. Protrusions 9 are fixedly connected to the middle of the left and right sides of the support column 1. Rotating columns 11 are rotatably connected to the opposite ends of the two fixing plates 10. Connecting blocks 8 are rotatably connected to the outer walls of the two rotating columns 11, so that the connecting blocks 8, rotating columns 11 and fixing plates 10 are rotatably connected. This makes the connecting block 8 rotate more flexibly, ensuring that each component can move flexibly. The inner walls of both connecting blocks 8 are rotatably connected to rotating columns 4. The top of the connecting block 8 is fixedly connected to a handle 3 for easy operation. The inner wall of rotating column 4 is slidably connected to a U-shaped rod 7. The left and right sides of the hollow column 6 are fixedly connected to U-shaped blocks 5. The cooperation between the U-shaped rod 7 and the U-shaped blocks 5 can fix the support column 1 on the hollow column 6. A shock absorption mechanism 2 is set at the bottom of the hollow column 6. This mechanism can effectively absorb and buffer vibration energy, thereby protecting the trolley and the goods it transports from vibration damage.

[0033] Please see the appendix Figure 2 - Appendix Figure 4The shock absorption mechanism 2 includes a stud 201. The top end of the stud 201 is fixedly connected to the bottom of the hollow column 6. The outer wall of the stud 201 is threadedly connected to an internal thread block 203. When the threads between the internal thread block 203 and the stud 201 are pulled, the friction increases due to the increased contact area. The outer wall of the internal thread block 203 is rotatably connected to a support block 206. The support block 206 is used to support the internal thread block 203 and restrict its movement. The bottom left and right sides of the hollow column 6 are fixedly connected to connecting columns 202. The bottom ends of multiple connecting columns 202 are fixedly connected to pistons 204. The outer walls of multiple pistons 204 are slidably connected to hollow blocks 205. Small holes are opened on the surface of the hollow blocks 205 for slow air circulation.

[0034] Specifically, the damping mechanism 2 includes a stud 201, the top of which is fixedly connected to the bottom of the hollow column 6. The outer wall of the stud 201 is threaded with an internal thread block 203. The external thread of the stud 201 and the internal thread block 203 cooperate. When subjected to external force, the contact area between the stud 201 and the internal thread block 203 will increase, thereby generating greater frictional resistance to limit the vertical movement speed of the hollow column 6. The outer wall of the internal thread block 203 is rotatably connected with a support block 206. The support block 206 not only provides support but also limits the displacement of the internal thread block 203, allowing it to rotate. Multiple connecting columns 202 are fixed on the left and right sides of the bottom of the hollow column 6. A piston 204 is fixedly connected to the bottom of the connecting column 202. A hollow block 205 is slidably connected to the outer wall of the piston 204. The surface of the hollow block 205 is machined with precision small holes to control the slow entry and exit of air, thereby achieving a damping effect.

[0035] Please see the appendix Figure 2 - Appendix Figure 4 The inner wall of the support column 1 is slidably connected to a sliding column 13, which is also hollow inside. The outer wall of the sliding column 13 is provided with a threaded hole 19 for the insertion of a bolt 12. The inner wall of the sliding column 13 is fixedly connected to a reinforcing plate 14 for further reinforcing the structure of the sliding column 13. The left and right sides of the sliding column 13 are fixedly connected to a limiting rod 20 for limiting the rotation of the sliding column 13. The inner wall of the support column 1 is provided with a groove 15 on both the left and right sides, which cooperates with the limiting rod 20. The bottom of the inner wall of the support column 1 is fixedly connected to a support plate 16.

[0036] Specifically, the inner wall of the support column 1 is slidably connected to a sliding column 13. The sliding column 13 also adopts a hollow structure design to reduce the weight of the component. The outer wall of the sliding column 13 is machined with threaded holes 19 for the insertion and fixing of bolts 12 to restrict the sliding column 13. The inner wall of the sliding column 13 is fixedly connected to a reinforcing plate 14 to enhance the overall structural strength. The left and right sides of the sliding column 13 are fixed with limiting rods 20 to prevent the sliding column 13 from rotating and to make it slide only up and down. The left and right sides of the inner wall of the support column 1 are provided with grooves 15, which cooperate with the limiting rods 20. A support plate 16 is also installed at the bottom of the inner cavity of the support column 1.

[0037] Please see the appendix Figure 2 - Appendix Figure 4 The top of the support column 1 is threaded with a bolt 12, which is used to restrict the movement of the sliding column 13 when needed. The tops of the two U-shaped rods 7 are threaded with screws 17. The outer wall of the support column 1 is provided with a through hole 21 for the cable to pass through. The bottom end of the U-shaped rod 7 is in contact with the inner wall of the U-shaped block 5. The top of the multiple pistons 204 is provided with a spring 18. The bottoms of the hollow block 205 and the support block 206 are fixedly connected to the top of the trolley.

[0038] Specifically, the top of the support column 1 is threaded with a bolt 12. When it is necessary to fix the position, the bolt 12 can be tightened to restrict the movement of the sliding column 13. The tops of the two U-shaped rods 7 are threaded with screws 17 to prevent the U-shaped rods 7 from falling. The outer wall of the support column 1 is provided with a through hole 21 to facilitate the installation of cable lines. The bottom of the U-shaped rod 7 is in contact with the inner wall of the U-shaped block 5. The tops of the multiple pistons 204 are provided with springs 18 to further enhance the buffering performance. The bottoms of the hollow block 205 and the support block 206 of the entire shock absorption mechanism 2 are fixed on the top platform of the transport vehicle.

[0039] Working principle: Place the support column 1 inside the hollow column 6, pull the handle 3 downwards, and the handle 3 will drive the connecting block 8 to rotate around the rotating column 11. The connecting block 8 will drive the rotating column 4 to move downwards, and the rotating column 4 will drive the U-shaped rod 7 to move downwards. Push the U-shaped rod 7 below the U-shaped block 5, push the handle 3 upwards, and the handle 3 will drive the connecting block 8 to rotate in the opposite direction. The connecting block 8 will drive the rotating column 4 to move upwards, and the rotating column 4 will drive the U-shaped rod 7 to move upwards until the top of the connecting block 8 is attached to the protrusion 9. When the trolley shakes, the support column 1 is pulled upwards. The U-shaped block 5 will prevent the U-shaped rod 7 from moving upwards, and the U-shaped rod 7 will pull the connecting block 8 to continue to attach to the protrusion 9, so that the support column 1 is pulled more and more firmly fixed on the hollow column 6.

[0040] When vibration occurs, the hollow column 6 pulls the stud 201 and connecting column 202 upward, and the connecting column 202 drives the piston 204 upward. The piston 204 continues to compress the air in the hollow block 205 and the spring 18, causing the air in the hollow block 205 to be squeezed out of the gap. Since the internal thread block 203 and the stud 201 are threadedly connected, the stud 201 pulls the internal thread block 203 when it moves upward, increasing the friction between the stud 201 and the internal thread block 203, thereby slowing down the upward movement speed of the stud 201. The upward and downward movement speed of the hollow column 6 is slowed down by the air and the friction between the internal thread block 203 and the stud 201. Then, the spring 18 gradually counteracts the upward force of the hollow column 6.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A support arm for a stainless steel transfer trolley, comprising a support column (1), characterized in that: The bottom of the support column (1) is slidably connected to a hollow column (6). The bottom ends of the left and right sides of the support column (1) are fixedly connected to fixed plates (10). The middle of the left and right sides of the support column (1) is fixedly connected to protrusions (9). The two fixed plates (10) are rotatably connected to rotating columns two (11) at opposite ends. The outer walls of the two rotating columns two (11) are rotatably connected to connecting blocks (8). The inner walls of the two connecting blocks (8) are rotatably connected to rotating columns one (4). The tops of the two connecting blocks (8) are fixedly connected to handles (3). The inner walls of the two rotating columns one (4) are slidably connected to U-shaped rods (7). The left and right sides of the hollow column (6) are fixedly connected to U-shaped blocks (5). The bottom of the hollow column (6) is provided with a shock-absorbing mechanism (2). The function of the shock-absorbing mechanism (2) is to reduce the damage of vibration to the transport vehicle and the goods.

2. The support arm of a stainless steel transfer trolley according to claim 1, characterized in that: The shock absorption mechanism (2) includes a stud (201), the top of which is fixedly connected to the bottom of the hollow column (6). The outer wall of the stud (201) is threaded with an internal thread block (203), and the outer wall of the internal thread block (203) is rotatably connected with a support block (206). The bottom left and right sides of the hollow column (6) are fixedly connected with connecting columns (202), and the bottom ends of multiple connecting columns (202) are fixedly connected with pistons (204). The outer walls of multiple pistons (204) are slidably connected with hollow blocks (205).

3. The support arm of a stainless steel transfer trolley according to claim 1, characterized in that: The inner wall of the support column (1) is slidably connected to a sliding column (13), and the outer wall of the sliding column (13) is provided with a threaded hole (19).

4. The support arm of a stainless steel transfer trolley according to claim 3, characterized in that: The inner wall of the sliding column (13) is fixedly connected to a reinforcing plate (14), and the left and right sides of the sliding column (13) are fixedly connected to a limiting rod (20).

5. The support arm of a stainless steel transfer trolley according to claim 1, characterized in that: The inner wall of the support column (1) is provided with grooves (15) on both the left and right sides, and a support plate (16) is fixedly connected to the bottom of the inner wall of the support column (1).

6. The support arm of a stainless steel transfer trolley according to claim 1, characterized in that: The top of the support column (1) is threaded with a bolt (12), and the tops of the two U-shaped rods (7) are threaded with screws (17).

7. The support arm of a stainless steel transfer trolley according to claim 1, characterized in that: The outer wall of the support column (1) has a through hole (21), and the bottom end of the U-shaped rod (7) is in contact with the inner wall of the U-shaped block (5).

8. The support arm of a stainless steel transfer trolley according to claim 2, characterized in that: A spring (18) is provided on the top of each of the pistons (204), and the bottoms of the hollow block (205) and the support block (206) are fixedly connected to the top of the transport vehicle.

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