Polishing and turnover support after welding of aerial work vehicle chassis

Abstract

The utility model discloses a high -altitude operation car chassis polishes and turns over support after welding belongs to workpiece polishing technical field, and its technical key points include two support frames of symmetrical setting, and the surface of each support frame is provided with chassis positioning turnover subassembly, and chassis positioning turnover subassembly includes electric push rod that installs respectively at each support frame surface, and the push rod of each electric push rod is installed with first motor, and this utility model through the synergies of electric push rod, first motor and finger air cylinder, and the device can be accurate clamping positioning to chassis automatically, and first motor is as drive core, and can drive the clamped chassis and turn over, so that the worker need not repeatedly remove or manually turn over heavy workpiece, and the polishing work of all surfaces of chassis can be easily completed, and this greatly promotes the polishing efficiency, and reduces the labor intensity and operation safety risk of worker.

Description

Technical Field

[0001] This utility model belongs to the field of workpiece grinding technology, specifically relating to a rotating support for grinding the chassis of an aerial work vehicle after welding. Background Technology

[0002] As an important type of engineering machinery, the chassis frame of an aerial work platform is the core load-bearing and structural component of the entire vehicle. It is typically composed of a large box-shaped structure or frame structure welded from high-strength steel plates. After welding, defects such as weld slag, spatter, weld beads, and unevenness may exist in the weld area. These defects must be subjected to rigorous grinding to eliminate stress concentration points, ensure weld quality, and provide a good base for subsequent painting and anti-corrosion processes.

[0003] The chassis of an aerial work platform vehicle integrates multiple functional structures such as engine mounts, suspension mounting points, and steering mechanism connections, and has welds in different locations. Because the chassis of an aerial work platform vehicle is usually several meters long and is a large component, it is not easy to manually flip it over. Utility Model Content

[0004] The purpose of this utility model is to provide a rotating support bracket for the chassis of an aerial work platform after welding and grinding, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-altitude work vehicle chassis welding and grinding tilting bracket, including two symmetrically arranged support frames, each of which is provided with a chassis positioning and tilting component on its surface;

[0006] The chassis positioning and tilting assembly includes electric push rods respectively installed on the surface of each support frame, and each electric push rod is equipped with a first motor. Two guide rails are symmetrically fixedly connected to the top surface of each support frame. The first motor is slidably connected to the two guide rails through a slider. The output shaft of each first motor is keyed to a finger cylinder. The two clamps of each finger cylinder are fixedly connected to a limit plate.

[0007] Preferably, each of the electric push rods is located on the opposite side of each of the support frames, and each of the first motors is located on the adjacent side of the two support frames.

[0008] Preferably, two small cylinders are symmetrically arranged between the two support frames, and two dust collection hoppers are symmetrically arranged above each small cylinder. The two dust collection hoppers are fixedly connected by a connecting plate, and each dust collection hopper has an inverted trapezoidal groove on its top surface.

[0009] Preferably, each trapezoidal groove has a support plate fixedly connected inside, the support plate is in contact with the bottom surface of the chassis, and the side of the support plate in contact with the chassis has a rubber pad attached.

[0010] Preferably, four guide rods are evenly distributed between the two support frames, each guide rod corresponding to the two ends of the two dust collection hoppers, and a slip ring is slidably connected to the surface of each guide rod, and the slip ring is fixedly connected to the dust collection hopper.

[0011] Preferably, a connecting rod is provided between the two support frames, and two positioning plates are symmetrically fixedly connected to both sides of the connecting rod. Each positioning plate has a groove inside, and a positioning slider is slidably connected inside the groove. A positioning ring is fixedly connected to the surface of each positioning slider, and a flexible tube is provided inside the positioning ring.

[0012] Preferably, the positioning slider has a "T" shaped structure, and the groove and the positioning slider are matched in shape.

[0013] Preferably, a concentrator is installed at one end of the hose near the chassis, and the concentrator has a conical structure.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model utilizes the coordinated action of an electric push rod, a first motor, and a finger cylinder to automatically and precisely clamp and position the chassis. The first motor, as the driving core, can rotate the clamped chassis, allowing workers to easily complete the grinding of all surfaces of the chassis without repeatedly moving or manually rotating heavy workpieces. This greatly improves grinding efficiency and reduces the labor intensity and operational safety risks for workers.

[0016] 2. This utility model incorporates a dual safety protection mechanism: the clamping of the finger cylinder is the primary fixing method, while the liftable support plate below forms a secondary support, effectively preventing the chassis from accidentally loosening or falling during the grinding process. At the same time, the trapezoidal groove above the dust collection hopper can effectively catch and concentrate the main grinding debris and sparks falling due to gravity, ensuring the cleanliness of the work area, reducing fire hazards, and facilitating subsequent centralized cleaning.

[0017] 3. This utility model uses a sliding positioning system to fix and guide the hose, allowing the suction port's concentrator to be flexibly and accurately positioned above the current grinding position. Combined with an external vacuum cleaner, it can actively and efficiently collect dust at its source, significantly reducing dust diffusion in the air. This design directly improves the workers' working environment and effectively protects their occupational health. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the connecting rod and positioning plate structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the first motor and guide rail structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the dust collection hopper and support plate structure of this utility model;

[0022] Figure 5 This utility model Figure 2 Enlarged view of point A in the middle.

[0023] In the diagram: 1. Support frame; 2. Electric push rod; 3. First motor; 4. Finger cylinder; 5. Limiting plate; 6. Guide rail; 7. Connecting rod; 8. Positioning plate; 9. Hose; 10. Concentrator; 11. Small cylinder; 12. Dust collection hopper; 13. Support plate; 14. Guide rod; 15. Positioning ring; 16. Positioning slider. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1-5 This utility model provides a chassis welding and grinding tilting bracket for aerial work vehicles, including two symmetrically arranged support frames 1, and each support frame 1 has a chassis positioning and tilting component on its surface.

[0026] The chassis positioning and tilting assembly includes electric push rods 2 respectively installed on the surface of each support frame 1, and each electric push rod 2 is equipped with a first motor 3. Two guide rails 6 are symmetrically fixedly connected to the top surface of each support frame 1. The first motor 3 is slidably connected to the two guide rails 6 through a slider. The output shaft of each first motor 3 is keyed to a finger cylinder 4. The two clamps of each finger cylinder 4 are fixedly connected to a limit plate 5.

[0027] Each electric push rod 2 is located on the opposite side of each support frame 1, and each first motor 3 is located on the adjacent side of the two support frames 1.

[0028] When the welded chassis needs to be polished, the chassis is placed between two support frames 1 and aligned with the two finger cylinders 4 on the same axis. Then, the electric push rod 2 is activated, and the push rod of the electric push rod 2 will drive the first motor 3 to move towards the chassis. The first motor 3 will slide on the surface of the guide rail 6 through the slider until the two limit plates 5 are located on the upper and lower sides of the chassis respectively. Then, the finger cylinders 4 are activated, and the two limit plates 5 will move closer to each other and clamp the chassis, thereby achieving the positioning of the chassis and making it convenient for workers to manually polish the chassis.

[0029] When it is necessary to flip the chassis to polish the other side, the first motor 3 is started. The output shaft of the first motor 3 will drive the finger cylinder 4 to rotate. Because the finger cylinder 4 clamps the chassis, the chassis is flipped, which makes it easier for workers to polish the chassis.

[0030] It should be noted that the electric push rod 2 can be used with a magnetic switch, proximity switch or photoelectric switch to achieve precise control of the push rod's extension and retraction displacement. Those skilled in the art can set it according to actual needs, which will not be elaborated here.

[0031] It should be noted that the first motor 3 is a servo motor with an encoder. The number of rotations and the rotation angle of the motor output shaft are controllable and highly accurate. Those skilled in the art can set it according to actual needs, which will not be elaborated here.

[0032] It should be noted that the finger cylinder 4 is a power actuator that converts the pressure energy of compressed air into mechanical energy. By controlling the gas, it drives the clamping plate to perform clamping operations. It can be used in conjunction with a magnetic switch, proximity switch or photoelectric switch to achieve precise control of the extension and retraction displacement of the cylinder piston rod. Those skilled in the art can set it according to actual needs, which will not be elaborated here.

[0033] In this utility model, two small cylinders 11 are symmetrically arranged between two support frames 1. Two dust collection hoppers 12 are symmetrically arranged above each small cylinder 11. The two dust collection hoppers 12 are fixedly connected by a connecting plate. Each dust collection hopper 12 has an inverted trapezoidal groove on its top surface. A support plate 13 is fixedly connected inside each trapezoidal groove. The support plate 13 is in contact with the bottom surface of the chassis, and a rubber pad is attached to the side of the support plate 13 that is in contact with the chassis.

[0034] When the chassis is being polished, the small cylinder 11 is activated, which pushes the dust collection hopper 12 toward the chassis, so that the dust collection hopper 12 is close to the chassis but not in contact with it. When the chassis is being polished, the polishing debris will fall into the dust collection hopper 12 due to gravity. Because the top surface of the dust collection hopper 12 has an inverted trapezoidal groove, the debris falling into the dust collection hopper 12 will be collected, making it easy to clean.

[0035] When the dust collection hopper 12 approaches the chassis, the support plate 13 will fit against the bottom surface of the chassis, thus preventing the chassis from falling off accidentally during the grinding process and providing secondary support for the chassis. The rubber pad can prevent the support plate 13 from making hard contact with the chassis, reducing the possibility of compression and deformation.

[0036] In this utility model, four guide rods 14 are evenly distributed between the two support frames 1. Each guide rod 14 corresponds to the two ends of the two dust collection hoppers 12. Each guide rod 14 has a sliding ring slidably connected to its surface, and the sliding ring is fixedly connected to the dust collection hopper 12. A dust collector 10 is installed at the end of the hose 9 near the chassis. The dust collector 10 has a conical structure.

[0037] A connecting rod 7 is provided between the two support frames 1, and two positioning plates 8 are symmetrically fixedly connected to both sides of the connecting rod 7. Each positioning plate 8 has a groove inside, and a positioning slider 16 is slidably connected inside the groove. A positioning ring 15 is fixedly connected to the surface of each positioning slider 16, and a flexible tube 9 is provided inside the positioning ring 15. The positioning slider 16 has a "T" shaped structure, and the shape of the groove and the positioning slider 16 are matched.

[0038] Before grinding the chassis, connect one end of the hose 9 to an external vacuum cleaner and pass the other end through multiple positioning rings 15 to limit the hose 9. Then, install the concentrator head 10 on the free end of the hose 9. When grinding the chassis, slide the positioning slider 16 inside the positioning plate 8 to the indicated position so that the concentrator head 10 is above the grinding area. Then, start the external vacuum cleaner so that the dust generated during grinding is sucked into the hose 9 by the concentrator head 10 and then into the vacuum cleaner through the hose 9, thereby reducing the harm to the workers.

[0039] It should be noted that the small cylinder 11 is a power actuator that converts the pressure energy of compressed air into mechanical energy. By controlling the gas in and out, it drives the piston to perform linear reciprocating motion. It can be used in conjunction with a magnetic switch, proximity switch or photoelectric switch to achieve precise control of the extension and retraction displacement of the cylinder piston rod. Those skilled in the art can set it according to actual needs, which will not be elaborated here.

[0040] The use of this utility model involves the following steps:

[0041] S1: When the welded chassis needs to be polished, place the chassis between the two support frames 1 and align it with the two finger cylinders 4 on the same axis. Then, start the electric push rod 2. The push rod of the electric push rod 2 will drive the first motor 3 to move towards the chassis. The first motor 3 will slide on the surface of the guide rail 6 through the slider until the two limit plates 5 are located on the upper and lower sides of the chassis respectively. Then, start the finger cylinders 4. The two limit plates 5 will move closer to each other and clamp the chassis, thereby achieving the positioning of the chassis and making it convenient for workers to manually polish the chassis.

[0042] S2: When it is necessary to flip the chassis to grind the other side, start the first motor 3. The output shaft of the first motor 3 will drive the finger cylinder 4 to rotate. Because the finger cylinder 4 clamps the chassis, the chassis is flipped, which makes it easier for workers to grind the chassis.

[0043] S3: When the chassis is being polished, the small cylinder 11 is activated. The small cylinder 11 pushes the dust collection hopper 12 toward the chassis, so that the dust collection hopper 12 is close to the chassis but not in contact with it. When the chassis is being polished, the polishing debris will fall into the interior of the dust collection hopper 12 due to gravity. Because the top surface of the dust collection hopper 12 has an inverted "trapezoidal" shaped groove, the debris falling into the dust collection hopper 12 will be collected, making it easy to clean.

[0044] S4: When the dust collection hopper 12 approaches the chassis, the support plate 13 will fit against the bottom surface of the chassis, thus preventing the chassis from falling off accidentally during the grinding process and providing secondary support for the chassis. The rubber pad can prevent the support plate 13 from making hard contact with the chassis, reducing the possibility of compression deformation.

[0045] S5: Before grinding the chassis, connect one end of the hose 9 to the external vacuum cleaner and pass the other end through multiple positioning rings 15 to limit the hose 9. Then, install the concentrator head 10 on the free end of the hose 9. When grinding the chassis, slide the positioning slider 16 inside the positioning plate 8 to the indicated position so that the concentrator head 10 is above the grinding area. Then, start the external vacuum cleaner so that the dust generated during grinding is sucked into the hose 9 by the concentrator head 10 and then into the vacuum cleaner through the hose 9, thereby reducing the harm to the workers.

[0046] Finally, the following points should be noted: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly, and can be mechanical or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change.

[0047] The electronic components and modules used in this utility model can all be parts that are commonly used in the market and can achieve the specific functions in this case. The specific models and sizes can be selected and adjusted according to actual needs.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A rotating support frame for the chassis of an aerial work platform, which is welded and then ground, comprising two symmetrically arranged support frames (1), characterized in that: Each of the support frames (1) is provided with a chassis positioning and tilting assembly on its surface; The chassis positioning and flipping assembly includes electric push rods (2) respectively installed on the surface of each of the support frames (1), and each of the electric push rods (2) is equipped with a first motor (3). The top surface of each support frame (1) is symmetrically fixedly connected with two guide rails (6). The first motor (3) is slidably connected to the two guide rails (6) through a slider. The output shaft of each first motor (3) is keyed to a finger cylinder (4). The two clamps of each finger cylinder (4) are fixedly connected to a limit plate (5).

2. The aerial work platform chassis welding and grinding tilting bracket according to claim 1, characterized in that: Each of the electric push rods (2) is located on the opposite side of each of the support frames (1), and each of the first motors (3) is located on the adjacent side of the two support frames (1).

3. The aerial work platform chassis welding and grinding tilting bracket according to claim 1, characterized in that: Two small cylinders (11) are symmetrically arranged between the two support frames (1). Two dust collection hoppers (12) are symmetrically arranged above each small cylinder (11). The two dust collection hoppers (12) are fixedly connected by a connecting plate. Each dust collection hopper (12) has an inverted trapezoidal groove on its top surface.

4. The aerial work platform chassis welding and grinding tilting bracket according to claim 1, characterized in that: Each trapezoidal groove is fixedly connected to a support plate (13), which is in contact with the bottom surface of the chassis, and a rubber pad is attached to the side of the support plate (13) that is in contact with the chassis.

5. The aerial work platform chassis welding and grinding tilting bracket according to claim 3, characterized in that: Four guide rods (14) are evenly distributed between the two support frames (1). Each guide rod (14) corresponds to the two ends of the two dust collection hoppers (12). Each guide rod (14) has a sliding ring slidably connected to its surface, and the sliding ring is fixedly connected to the dust collection hopper (12).

6. The aerial work platform chassis welding and grinding tilting bracket according to claim 1, characterized in that: A connecting rod (7) is provided between the two support frames (1), and two positioning plates (8) are symmetrically fixedly connected on both sides of the connecting rod (7). Each positioning plate (8) has a sliding groove inside, and a positioning slider (16) is slidably connected inside the sliding groove. A positioning ring (15) is fixedly connected to the surface of each positioning slider (16), and a flexible tube (9) is provided inside the positioning ring (15).

7. The aerial work platform chassis welding and grinding tilting bracket according to claim 6, characterized in that: The positioning slider (16) has a "T" shaped structure, and the groove matches the shape of the positioning slider (16).

8. The aerial work platform chassis welding and grinding tilting bracket according to claim 6, characterized in that: The hose (9) is equipped with a concentrator (10) at one end near the chassis. The concentrator (10) has a conical structure.

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