Excavator chassis clamping mechanism for positioner

Abstract

The excavator chassis clamping mechanism comprises a girder, force arms, a first adjusting assembly, a second adjusting assembly and a clamping assembly, the first adjusting assembly is arranged on the girder, the force arms are symmetrically arranged on the first adjusting assembly, the first adjusting assembly is used for driving the force arms to move in the opposite direction or the reverse direction, and the clamping assembly is used for clamping the force arms. The second adjusting assembly is arranged on the force arm, the clamping assembly comprises a supporting assembly, a pressing plate, a floating pressing block and a driving assembly, the driving assembly is arranged on the force arm, the pressing plate is arranged on the driving assembly, the driving assembly is used for controlling the pressing plate to move up and down, the floating pressing block is hinged to the pressing plate, and the floating pressing block is located above the supporting assembly; the supporting assemblies are arranged on the second adjusting assembly, and the second adjusting assembly is used for driving the supporting assemblies to move in the opposite direction or the reverse direction. According to the utility model, the arm of force and the supporting point are adjusted through the two groups of adjusting assemblies, and the clamping device is suitable for clamping chassis with different structures.

Description

Technical Field

[0001] This utility model relates to an excavator chassis clamping mechanism for a positioner. Background Technology

[0002] The excavator chassis is a tracked chassis. During the production process, welding and assembly of the upper and lower surfaces of the chassis are required. Therefore, the chassis needs to be flipped according to the processing surface. The existing flipping method usually involves lifting the chassis with a crane and then flipping it with a traction mechanism. However, this method requires high operational skills and is prone to accidents. Utility Model Content

[0003] To address the shortcomings of existing technologies, the main objective of this utility model is to overcome these deficiencies by disclosing a clamping mechanism for an excavator chassis used in a positioner. The mechanism includes a main beam, a lever arm, a first adjusting component, a second adjusting component, and a clamping component. The first adjusting component is mounted on the main beam, and the lever arms are symmetrically mounted on the first adjusting component. The first adjusting component drives the lever arms to move in opposite directions. The second adjusting component is mounted on the lever arm. The clamping component includes a support component, a pressure plate, a floating pressure block, and a driving component. The driving component is mounted on the lever arm, and the pressure plate is mounted on the driving component. The driving component controls the up-and-down movement of the pressure plate. The floating pressure block is hinged to the pressure plate and is located above the support component. The support component is mounted on the second adjusting component, and the second adjusting component drives the support component to move in opposite directions.

[0004] Furthermore, the driving assembly includes a first fixed seat, a guide rod, and a third hydraulic cylinder. The first fixed seat is disposed on the lever arm, and the guide rod and the third hydraulic cylinder are disposed on the first fixed seat. The guide rod is slidably connected to the first fixed seat, and the guide rod and the third hydraulic cylinder are connected to the pressure plate. The pressure plate is driven to move downward by the third hydraulic cylinder.

[0005] Furthermore, a guide sleeve that cooperates with the guide rod is provided on the first fixed seat, and the guide rod is distributed on both sides of the third oil cylinder.

[0006] Furthermore, the first adjustment assembly includes a first guide rail, a first gear, a first rack, a first support wheel, and a first hydraulic cylinder. The first guide rail is arranged vertically and parallel to the main beam. The lever arm is slidably connected to the first guide rail. The first rack connects the lever arm and the first hydraulic cylinder, and the first hydraulic cylinder drives the first rack to move. The first gear and the support wheel are rotatably arranged in the middle of the main beam. The first support wheel is located above and below the first gear. The two first racks are located above and below the first gear and mesh with the first gear. The first racks are supported on the first support wheel.

[0007] Furthermore, the second adjustment assembly includes a second guide rail, a movable plate, a second gear, a second rack, a second support wheel, and a second hydraulic cylinder. The second guide rail is arranged vertically and parallel to the lever arm. Two movable plates are provided and slidably connected to the second guide rail. The second gear is rotatably mounted on the lever arm. The second support wheel is located above and below the second gear. Two second racks are provided and located above and below the second gear, and supported on the second support wheel. The second rack meshes with the second gear. The two second racks are respectively connected to the two movable plates. The second hydraulic cylinder is connected to one of the second racks.

[0008] Furthermore, the support assembly includes a mounting plate, on which a bottom support block and a side support block are disposed.

[0009] Furthermore, rubber pads are provided on the bottom support block and the side support block.

[0010] Furthermore, a rubber pad is provided on the floating pressure block.

[0011] The beneficial effects achieved by this utility model are as follows:

[0012] This invention uses two sets of adjustment components to adjust the lever arm and support point, adapting to clamping chassis with different structures. The use of floating pressure blocks allows them to adaptively adjust to the slope of the chassis surface, increasing the contact area and improving clamping stability. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of an excavator chassis clamping mechanism for a positioner according to the present invention.

[0014] Figure 2 for Figure 1 Enlarged view of A in the middle;

[0015] Figure 3 This is a schematic diagram showing the connection between the main beam and the first adjustment component;

[0016] Figure 4 This is a schematic diagram showing the cooperation between the second adjustment component and the clamping component;

[0017] Figure 5 This is a diagram showing the connection and usage state of an excavator chassis clamping mechanism and a positioner according to the present invention.

[0018] The attached figures are labeled as follows:

[0019] 1. Main beam; 2. Lever arm; 3. First adjusting assembly; 4. Second adjusting assembly; 5. Clamping assembly; 31. First guide rail; 32. First gear; 33. First rack; 34. First support wheel; 35. First hydraulic cylinder; 41. Second guide rail; 42. Moving plate; 43. Second gear; 44. Second rack; 45. Second support wheel; 46. Second hydraulic cylinder; 51. Support assembly; 52. Pressure plate; 53. Floating pressure block; 54. Drive assembly; 511. Mounting plate; 512. Bottom support block; 513. Side support block; 514. Rubber pad; 541. First fixed seat; 542. Guide rod; 543. Third hydraulic cylinder; 544. Guide sleeve. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model.

[0021] A clamping mechanism for excavator chassis used in a positioner, such as Figures 1-5 As shown, the clamping assembly includes a main beam 1, a lever arm 2, a first adjusting component 3, a second adjusting component 4, and a clamping component 5. The first adjusting component 3 is mounted on the main beam 1, and the lever arms 2 are symmetrically mounted on the first adjusting component 3. The first adjusting component 3 drives the lever arms 2 to move in opposite directions. The second adjusting component 4 is mounted on the lever arms 2. The clamping component 5 includes a support component 51, a pressure plate 52, a floating pressure block 53, and a drive component 54. The drive component 54 is mounted on the lever arm 2, and the pressure plate 52 is mounted on the drive component 54. The drive component 54 controls the up-and-down movement of the pressure plate 52. The floating pressure block 53 is hinged to the pressure plate 52 and is located above the support component 51. Two sets of support components 51 are provided and mounted on the second adjusting component 4. The second adjusting component 4 drives the support components 51 to move in opposite directions. The position of the support components 51 is adjusted by the second adjusting component 4 to avoid the protrusions on the suction cup, making the clamping more stable.

[0022] In use, the main beam 1 is installed on the positioner, and the positioner controls the clamping mechanism to move up and down and rotate. The chassis is pushed to the positioner by a trolley, and the chassis is located between the two lever arms 2. The first adjusting component 3 drives the lever arms 2 to move towards each other, so that the support component 51 moves to the bottom of the chassis. After the positioner raises the chassis, the drive component 54 works with the floating pressure block 53 to press it on the top of the chassis. The floating pressure block 53 works with the support component 51 to clamp the two sides of the chassis.

[0023] In one embodiment, such as Figures 1-5 As shown, the drive assembly 54 includes a first fixed base 541, a guide rod 542, and a third hydraulic cylinder 543. The first fixed base 541 is mounted on the lever arm 2. The guide rod 542 and the third hydraulic cylinder 543 are mounted on the first fixed base 541 and are slidably connected to the first fixed base 541. The guide rod 542 and the third hydraulic cylinder 543 are connected to the pressure plate 52, and the pressure plate 52 is driven to move downward by the third hydraulic cylinder 543. The pressure plate 52 is guided to move stably by the guide rod 542.

[0024] In the above embodiments, such as Figures 1-5 As shown, a guide sleeve 544 that mates with the guide rod 542 is provided on the first fixed base 541, and the guide rod 542 is distributed on both sides of the third hydraulic cylinder 543. This is to improve the stability of the drive assembly 54 during operation.

[0025] In one embodiment, such as Figures 1-5 As shown, the first adjustment assembly 3 includes a first guide rail 31, a first gear 32, a first rack 33, a first support wheel 34, and a first hydraulic cylinder 35. The first guide rail 31 is arranged vertically parallel on the main beam. The lever arm 2 is slidably connected to the first guide rail 31, allowing the lever arm 2 to reciprocate along the first guide rail 31. The first gear 32 is rotatably mounted on the main beam 1. Two first racks 33 are provided, one above and one below the first gear 32, and the first racks 33 mesh with the first gear 32. Two first hydraulic cylinders 35 are provided, with the two racks 33 respectively connecting the lever arm 2 and the first hydraulic cylinder 35. Each lever arm 2 is driven by one first hydraulic cylinder 35. The first support wheel 34 is located above and below the first gear 32, and the first rack 33 is supported on the first support wheel 34 to ensure that the first rack 33 meshes with the first gear 32. In addition, the first gear 32 and the first rack 33 work together to achieve synchronous movement of the two lever arms 2 in opposite directions. The two first hydraulic cylinders 35 provide stable power output.

[0026] In one embodiment, the second adjusting component 4 includes a second guide rail 41, a movable plate 42, a second gear 43, a second rack 44, a second support wheel 45, and a second hydraulic cylinder 46. The second guide rail 41 is arranged vertically and parallel to the lever arm 2. Two movable plates 42 are provided and slidably connected to the second guide rail 41. A support component 51 is provided on the movable plate 42, and the lateral position of the support component 51 can be adjusted by the movable plate 42. The second gear 43 is rotatably mounted on the lever arm 2. Two second racks 44 are provided and are located above and below the second gear 43, respectively. The second rack 44 meshes with the second gear 43. The second support wheel 45 is located above and below the second gear 43, and the second rack 44 acts on the second support wheel 45 to ensure that the second rack 44 meshes with the second gear 43. Two second racks 44 are respectively attached to two movable plates 4. The second cylinder 46 is fixedly mounted on the lever arm 2, and its output end is connected to one of the second racks 44. The second cylinder 46 provides driving force to the second rack 44. When one of the second racks 44 moves, it drives the other second rack 44 to move through the second gear 43, thereby realizing the opposite and reverse movement of the two movable plates 42.

[0027] In one embodiment, such as Figures 1-5 As shown, the support assembly 51 includes a mounting plate 511, on which a bottom support block 512 and a side support block 513 are disposed. When clamped, the bottom support block 512 and the side support block 513 are in close contact with the lower surface and side surface of the chassis, respectively.

[0028] In the above embodiments, such as Figures 1-5 As shown, rubber pads 514 are provided on the bottom support block 512 and the side support block 513. This prevents direct contact with the chassis and avoids damage to the chassis.

[0029] In one embodiment, such as Figures 1-5 As shown, a rubber pad is provided on the floating pressure block 53.

[0030] When using this utility model, such as Figure 5 As shown, the clamping mechanism is mounted on a positioner, and the positioner enables the clamping mechanism to rotate and move up and down. Figures 1-5 As shown, the chassis is moved between the two lever arms 2 by a trolley. The first adjusting component 3 moves the lever arms 2 towards each other, so that the bottom support block 512 and the side support block 513 are in close contact with the chassis. Then, the positioner lifts the chassis, so that the chassis leaves the trolley. Then, the drive component 54 controls the pressure plate 52 to move downward so that the floating pressure block 53 presses against the chassis. The chassis is then raised to a certain height. After the positioner rotates 180°, the chassis is placed on the trolley and moved to other processing stations.

[0031] The above are merely preferred embodiments of the present utility model and are not intended to limit the scope of implementation of the present utility model. Any modifications or equivalent substitutions to the present utility model without departing from the spirit and scope thereof should be covered within the protection scope of the claims of the present utility model.

Claims

1. A clamping mechanism for an excavator chassis used in a positioner, characterized in that, The device includes a main beam, lever arms, a first adjustment assembly, a second adjustment assembly, and a clamping assembly. The first adjustment assembly is disposed on the main beam, and the lever arms are symmetrically disposed on the first adjustment assembly. The first adjustment assembly drives the lever arms to move in opposite directions. The second adjustment assembly is disposed on the lever arms. The clamping assembly includes a support assembly, a pressure plate, a floating pressure block, and a drive assembly. The drive assembly is disposed on the lever arms, and the pressure plate is disposed on the drive assembly. The drive assembly controls the up and down movement of the pressure plate. The floating pressure block is hinged to the pressure plate and is located above the support assembly. The support component is mounted on the second adjustment component, and the second adjustment component is used to drive the support component to move in opposite directions.

2. The excavator chassis clamping mechanism for a positioner according to claim 1, characterized in that, The drive assembly includes a first fixed seat, a guide rod, and a third hydraulic cylinder. The first fixed seat is disposed on the lever arm, and the guide rod and the third hydraulic cylinder are disposed on the first fixed seat. The guide rod is slidably connected to the first fixed seat. The guide rod and the third hydraulic cylinder are connected to the pressure plate, and the pressure plate is driven to move downward by the third hydraulic cylinder.

3. The excavator chassis clamping mechanism for a positioner according to claim 2, characterized in that, The first fixed seat is provided with a guide sleeve that cooperates with the guide rod, and the guide rod is distributed on both sides of the third oil cylinder.

4. The excavator chassis clamping mechanism for a positioner according to claim 1, characterized in that, The first adjustment assembly includes a first guide rail, a first gear, a first rack, a first support wheel, and a first hydraulic cylinder. The first guide rail is arranged vertically and parallel to the main beam. The lever arm is slidably connected to the first guide rail. The first rack connects the lever arm and the first hydraulic cylinder. The first hydraulic cylinder drives the first rack to move. The first gear and the support wheel are rotatably arranged in the middle of the main beam. The first support wheel is located above and below the first gear. The two first racks are located above and below the first gear and mesh with the first gear. The first rack is supported on the first support wheel.

5. The excavator chassis clamping mechanism for a positioner according to claim 1, characterized in that, The second adjustment assembly includes a second guide rail, a movable plate, a second gear, a second rack, a second support wheel, and a second hydraulic cylinder. The second guide rail is arranged vertically and parallel to the lever arm. Two movable plates are provided and slidably connected to the second guide rail. The second gear is rotatably mounted on the lever arm. The second support wheel is located above and below the second gear. Two second racks are provided and located above and below the second gear, and supported on the second support wheel. The second racks mesh with the second gear. The two second racks are respectively connected to the two movable plates. The second hydraulic cylinder is connected to one of the second racks.

6. The excavator chassis clamping mechanism for a positioner according to claim 1, characterized in that, The support assembly includes a mounting plate, on which a bottom support block and a side support block are provided.

7. The excavator chassis clamping mechanism for a positioner according to claim 6, characterized in that, Rubber pads are provided on the bottom support block and the side support block.

8. The excavator chassis clamping mechanism for a positioner according to claim 1, characterized in that, A rubber pad is provided on the floating pressure block.

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