Gravity center balance anti-inclination device for scissor type overhead working truck

Abstract

The utility model provides a gravity center balance anti-inclination device for a scissor-fork type overhead working truck, which belongs to the technical field of overhead working trucks, and comprises a truck body, a buffer component and side position supporting structures, the side position supporting structures are arranged on two side surfaces of the truck body, and the buffer component is arranged on the side position supporting structures. The buffering assembly is arranged below the vehicle body, and the side position supporting structure comprises a connecting base, a connecting rod, a supporting plate, a telescopic column and a supporting block. The three buffering assemblies are arranged below the vehicle, the force transmission assembly is arranged between the two clamping grooves, when the vehicle inclines, the force transmission block can drive the force transmission spring to press in the inclined direction, and when the force sensor detects the corresponding pressure, the controller drives the balance block to slide in an accelerated mode along the sliding rod in the opposite direction, so that the vehicle is prevented from falling off. Therefore, acting force caused by inclination is eliminated according to the principle of pendulum damping.

Description

Technical Field

[0001] The utility model belongs to the technical field of aerial work vehicles, and in particular relates to a center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle. Background Art

[0002] A scissor lift is a mobile work platform used for operations and maintenance at heights. It consists of crossed metal supports supported on a telescopic folding frame. The supports are connected by a hydraulic system, allowing the platform to move up and down.

[0003] The existing publication number CN116969397A discloses a center of gravity balancing and anti-tilt device for a scissor-type aerial work vehicle, including a detection mechanism and two balance adjustment mechanisms arranged along the front and rear of the vehicle body, the balance adjustment mechanism includes a lateral adjustment mechanism extending left and right and a lifting adjustment mechanism installed at both ends of the lateral adjustment mechanism, the lifting adjustment mechanism includes a hydraulic cylinder connected to the end of the lateral adjustment mechanism and a foot pad installed on the telescopic shaft of the hydraulic cylinder; the detection mechanism includes an inclination sensor, a button setting module, a display module and a processing chip, and four inclination sensors are provided.

[0004] The existing center of gravity balancing anti-tilt device for scissor-type aerial work vehicles still has the following shortcomings:

[0005] 1. When the work vehicle encounters bumps or sharp turns during driving, the center of gravity of the vehicle will be affected, causing the vehicle to tilt. The existing design fails to have a structural design to avoid tilting during driving.

[0006] 2. When the work vehicle is parked, it will encounter a variety of road conditions. When encountering conditions with uneven ground flatness, it will cause the vehicle to tilt, which will increase the risk of tipping during the construction process. Utility Model Content

[0007] The utility model aims to solve the problem that the prior art fails to have a structural design to avoid tilting during the driving of the vehicle and fails to maintain balance when parked on a complex road surface, and proposes a center of gravity balancing anti-tilting device for a scissor-type aerial work vehicle.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle comprises: a vehicle body, a buffer assembly and a side support structure, wherein the side support structure is arranged on both sides of the vehicle body, and the buffer assembly is arranged below the vehicle body;

[0010] Preferably, the lateral support structure comprises a connecting seat, a connecting rod, a support plate, a telescopic column and a support block, a plurality of the connecting seats are fixedly connected to the side of the vehicle body in a linear array, the connecting rod is rotatably connected between the inner side surfaces of the connecting seat through a rotating shaft, the support plate is fixedly connected to the end of the connecting rod away from the connecting seat, a plurality of the telescopic columns are fixedly connected to the side of the support plate in a linear array, and the support block is fixedly connected to the end of the telescopic column away from the support plate;

[0011] Preferably, the lower surface of the vehicle body is fixedly connected to the two side plates, the three buffer assemblies are arranged between the two side plates, the buffer assembly includes a force transmission structure and two reaction force structures, and the two groups of reaction force structures are arranged on both sides of the force transmission structure;

[0012] Preferably, the force transmission structure comprises a card slot, a force transmission block, a force transmission spring and a force sensor, the card slot is fixedly connected between the two side plates, the two card slots are arranged opposite to each other up and down, a force transmission slide groove is formed between the two card slots, the force transmission block is slidably connected in the force transmission slide groove, the two force sensors are fixedly connected to the side surfaces of the two side plates close to each other, and the force transmission spring is fixedly connected between the force transmission block and the force sensor;

[0013] Preferably, the reaction force structure comprises a shock absorbing block, a sliding rod, a balancing block and a controller, the two shock absorbing blocks are fixedly connected to the sides of the two side plates close to each other, the two sliding rods penetrate the shock absorbing blocks and are fixedly connected between the two side plates, the balancing block is slidably connected to the sliding rod, and the controller is fixedly connected to the upper surface of the balancing block;

[0014] Preferably, the rotation range of the connecting rod is 0°~90°, and the extension range of the telescopic column is 0~1.5m;

[0015] Preferably, the three groups of buffer components are respectively arranged below the front, middle and rear of the vehicle body, and the three groups of buffer components are automatically and independently controlled.

[0016] Compared with the prior art, the utility model has the following advantages:

[0017] 1. The utility model arranges three groups of buffer components under the vehicle and arranges the force transmission component between two slots. When the vehicle tilts, the force transmission block drives the force transmission spring to press in the tilting direction. When the force sensor detects the corresponding pressure, the controller drives the balance block to slide in the opposite direction along the slide bar to accelerate, thereby utilizing the principle of pendulum shock absorption to eliminate the force caused by the tilt.

[0018] 2. The utility model sets side support structures on both sides of the vehicle. After the vehicle is parked, the connecting rod drives the support plate to rotate until the connecting rod is perpendicular to the vehicle, and then the telescopic column is controlled to extend downward, so that the support block is placed stably on the ground, and then the side support structure provides support force for both sides of the vehicle, so as to achieve stable parking of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A support schematic diagram of a lateral support structure of a gravity center balancing anti-tilt device for a scissor-type aerial work vehicle proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the storage of a side support structure of a gravity center balance anti-tilt device for a scissor-type aerial work vehicle proposed by the utility model;

[0021] Figure 3 This is a bottom bottom view of a gravity center balancing anti-tilt device for a scissor-type aerial work vehicle proposed by the utility model;

[0022] Figure 4 A schematic diagram of the bottom structure of a center of gravity balancing and anti-tilt device for a scissor-type aerial work vehicle proposed in the utility model;

[0023] Figure 5 for Figure 2 Enlarged view of part A.

[0024] In the figure: 1 vehicle body, 2 connecting seat, 3 connecting rod, 4 support plate, 5 telescopic column, 6 support block, 7 side plate, 8 slot, 9 force transmission block, 10 force transmission spring, 11 force sensor, 12 shock absorbing block, 13 sliding rod, 14 balance block, 15 controller. DETAILED DESCRIPTION

[0025] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0026] Reference Figure 1-Figure 5 A center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle comprises: a vehicle body 1, a buffer assembly and a side support structure, wherein the side support structure is arranged on both sides of the vehicle body 1, and the buffer assembly is arranged below the vehicle body 1;

[0027] The side support structure includes a connecting seat 2, a connecting rod 3, a support plate 4, a telescopic column 5 and a support block 6. Several connecting seats 2 are fixedly connected to the side of the vehicle body 1 in a linear array. The connecting rod 3 is rotatably connected to the inner side of the connecting seat 2 through a rotating shaft. The support plate 4 is fixedly connected to the end of the connecting rod 3 away from the connecting seat 2. Several telescopic columns 5 are fixedly connected to the side of the support plate 4 in a linear array. The support block 6 is fixedly connected to the end of the telescopic column 5 away from the support plate 4. The rotation range of the connecting rod 3 is 0°~90°, and the extension range of the telescopic column 5 is 0~1.5m. After the vehicle is parked, the connecting rod 3 drives the support plate 4 to rotate until the connecting rod 3 is perpendicular to the vehicle, and then the telescopic column 5 is controlled to extend downward, so that the support block 6 is stably placed on the ground, and then the side support structure provides support force for both sides of the vehicle, so as to achieve stable parking of the vehicle;

[0028] The lower surface of the vehicle body 1 is fixedly connected to the two side plates 7, and three buffer components are arranged between the two side plates 7. The buffer components include a force transmission structure and two reaction force structures. The two reaction force structures are arranged on both sides of the force transmission structure. The three buffer components are respectively arranged below the front, middle and rear of the vehicle body 1. The three buffer components are automatically and independently controlled.

[0029] The force transmission structure includes a slot 8, a force transmission block 9, a force transmission spring 10 and a force sensor 11. The slot 8 is fixedly connected between the two side plates 7. The two slots 8 are arranged opposite to each other up and down. A force transmission slide groove is formed between the two slots 8. The force transmission block 9 is slidably connected in the force transmission slide groove. The two force sensors 11 are fixedly connected to the sides of the two side plates 7 that are close to each other. The force transmission spring 10 is fixedly connected between the force transmission block 9 and the force sensor 11. The reaction force structure includes a shock absorbing block 12, a slide bar 13, a balance block 14 and a controller 15. The two shock absorbing blocks 12 are fixedly connected. On the sides where the two side plates 7 are close to each other, two sliding bars 13 penetrate the shock absorbing block 12 and are fixedly connected between the two side plates 7. The balancing block 14 is slidably connected to the sliding bar 13. The controller 15 is fixedly connected to the upper surface of the balancing block 14. When the vehicle tilts, the force transmission block 9 drives the force transmission spring 10 to press in the tilting direction. When the force sensor 11 detects the corresponding pressure, the controller 15 drives the balancing block 14 to slide in the opposite direction along the sliding bar 13 to accelerate, thereby utilizing the principle of pendulum shock absorption to eliminate the force caused by the tilt.

[0030] The functional principle of the utility model can be explained through the following operation modes:

[0031] By arranging three groups of buffer components under the vehicle, and arranging the force transmission component between the two slots 8, when the vehicle tilts, the force transmission block 9 will drive the force transmission spring 10 to press in the tilting direction. When the force sensor 11 detects the corresponding pressure, the controller 15 drives the balance block 14 to slide in the opposite direction along the slide bar 13 to accelerate, thereby using the principle of pendulum shock absorption to eliminate the force caused by the tilt;

[0032] By arranging the side support structures on both sides of the vehicle, after the vehicle is parked, the connecting rod 3 drives the support plate 4 to rotate until the connecting rod 3 is perpendicular to the vehicle, and then the telescopic column 5 is controlled to extend downward, so that the support block 6 is stably placed on the ground, and then the side support structure provides support force for both sides of the vehicle, so as to achieve stable parking of the vehicle.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle, characterized in that: It comprises a vehicle body (1), a buffer assembly and a side support structure, wherein the side support structure is arranged on two side surfaces of the vehicle body (1), and the buffer assembly is arranged below the vehicle body (1); The lateral support structure comprises a connecting seat (2), a connecting rod (3), a support plate (4), a telescopic column (5) and a support block (6); a plurality of the connecting seats (2) are fixedly connected to the side of the vehicle body (1) in a linear array; the connecting rod (3) is rotatably connected between the inner side surfaces of the connecting seat (2) via a rotating shaft; the support plate (4) is fixedly connected to the end of the connecting rod (3) away from the connecting seat (2); a plurality of the telescopic columns (5) are fixedly connected to the side of the support plate (4) in a linear array; and the support block (6) is fixedly connected to the end of the telescopic column (5) away from the support plate (4).

2. A center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle according to claim 1, characterized in that: in: The lower surface of the vehicle body (1) is fixedly connected to two side panels (7), the three buffer components are arranged between the two side panels (7), the buffer components include a force transmission structure and two reaction force structures, and the two groups of reaction force structures are arranged on both sides of the force transmission structure.

3. A center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle according to claim 2, characterized in that: in: The force transmission structure comprises a slot (8), a force transmission block (9), a force transmission spring (10) and a force sensor (11); the slot (8) is fixedly connected between the two side plates (7); the two slots (8) are arranged opposite to each other in an upper and lower direction; a force transmission slide groove is formed between the two slots (8); the force transmission block (9) is slidably connected in the force transmission slide groove; the two force sensors (11) are fixedly connected to the side surfaces of the two side plates (7) close to each other; and the force transmission spring (10) is fixedly connected between the force transmission block (9) and the force sensor (11).

4. The center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle according to claim 2, characterized in that: in: The reaction force structure comprises a shock absorbing block (12), a sliding rod (13), a balancing block (14) and a controller (15); the two shock absorbing blocks (12) are fixedly connected to the sides of the two side plates (7) close to each other; the two sliding rods (13) penetrate the shock absorbing blocks (12) and are fixedly connected between the two side plates (7); the balancing block (14) is slidably connected to the sliding rod (13); and the controller (15) is fixedly connected to the upper surface of the balancing block (14).

5. The center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle according to claim 1, characterized in that: in: The rotation range of the connecting rod (3) is 0° to 90°, and the extension range of the telescopic column (5) is 0 to 1.5 m.

6. The center of gravity balancing anti-tilt device for a scissor-type aerial work vehicle according to claim 2, characterized in that: in: The three groups of buffer components are respectively arranged below the front, middle and rear of the vehicle body (1), and the three groups of buffer components are automatically and independently controlled.

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