CN207632332U - Synchronization lifting and the heavily loaded suspender of the automatic opening and closing of arm - Google Patents

Abstract

The utility model discloses a heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom, which comprises a trolley, a spreader and a lifting device. The trolley is connected to the supporting bracket. The boom and the rear boom, the upper part of the bracket is equipped with a motor reducer and a linkage mechanism, and the two ends of the linkage mechanism are respectively connected to a pair of front booms and a pair of rear booms oppositely arranged, and the bearing bracket and the bracket are connected. There is a lifting device. The lifting device of the utility model is connected between the load-bearing bracket and the bracket of the spreader, which can make the bracket and the boom at the lower part reach the function of lifting up and down, so as to meet the hoisting requirements of the heavy-duty armored protective vehicle; the connecting rod mechanism controls the front boom The two front booms and the two rear booms that are oppositely arranged clamp the body; It can adapt to the hoisting of heavy-duty armored vehicles of different sizes.

Description

Heavy-duty spreader with synchronous lifting and automatic boom opening and closing

technical field

The utility model belongs to the technical field of heavy-duty armored protective vehicles, in particular to a heavy-duty spreader with synchronous lifting and automatic opening and closing of booms.

Background technique

When the heavy-duty armored protective vehicle is produced, it needs to go through the hoisting of the protective vehicle body, and complete the assembly of the chassis, body accessories, and interior decoration on the basis of the protective vehicle body. It also needs to perform tasks such as coolant and fuel filling, and the final assembly Complete vehicle can be successfully ignited and rolled off the production line. The existing production equipment mainly adopts crane hoisting and floor bench support tooling, which requires a lot of manual operations, high labor intensity, low work efficiency, and many potential safety hazards. In addition, the body sizes of heavy-duty armored vehicles are different. When hoisting, it is difficult for a fixed-size boom to meet the hoisting requirements of heavy-duty armored vehicles of various body sizes. The Chinese patent with the application number 201510374679.5 discloses a "spreader". The patent includes a beam and a plurality of drooping booms. The drooping booms are relatively arranged on the beam. Lifting arm, the lifting arm has a working position rotating to the inside of the spreader and an avoidance position away from the inside of the spreader. The end of the lifting arm is provided with a stopper, the upper part of the beam is connected with a sling, and the other end of the sling is provided with a lifting ring, which can stabilize Hoisting the car body without a lifting hole, but the spreader cannot realize synchronous lifting, nor can it realize the opening and closing of the boom, which is inconvenient to use.

Contents of the invention

The purpose of the utility model is to provide a heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom, which has the functions of lifting up and down and opening and closing inside and outside at the same time, and can meet the hoisting of heavy-duty armored vehicle bodies of various sizes.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom, including a trolley, a spreader and a lifting device, the trolley is connected to the supporting bracket, and the The spreader includes a bracket. The two ends of the bracket are oppositely provided with a front boom and a rear boom. The upper part of the bracket is equipped with a motor reducer and a linkage mechanism. A pair of front booms and a pair of rear booms, a lifting device is connected between the bearing bracket and the bracket.

1) The lifting device of the utility model is connected between the bearing bracket and the bracket of the spreader, so that the bracket and the boom at the lower part can be lifted up and down to meet the hoisting requirements of the heavy-duty armored vehicle; the connecting rod mechanism controls the front The boom and the rear boom are opened and closed along the width direction perpendicular to the body of the heavy-duty armored protective vehicle to complete the clamping effect, so that the two front booms and the two rear booms that are arranged oppositely clamp the body; 2) the trolley can Drive the bearing bracket to move along the track, and send the lower sling and hoisting objects to different process workshops; 3) The expandable boom can adapt to the hoisting of heavy-duty armored vehicles of different sizes.

Further, the trolley includes a main driving car, an auxiliary driven car and an anti-collision car. The main driving car is equipped with a motion drive mechanism. The main driving car and the auxiliary driven car are respectively hinged at the two ends of the load beam, and the load beam and the load bracket Fixed connection. The main driving car can drive the trolley system and the next load-bearing object to slide along the rails to different work rooms.

In a further step, guide wheels are provided on the main driving vehicle and the secondary driven vehicle. The arrangement of the guide wheels is beneficial to the movement of the main driving car and the auxiliary driven car along the rails.

Further, the front boom is L-shaped, the front boom includes a vertical connecting arm and a horizontal support arm, one end of the connecting arm is fixedly connected to one end of the supporting arm, and the other end of the connecting arm is connected to the Linkage connection. The bearing seat is embedded in the bracket, one end is connected with the link mechanism, and the other end is connected with the front boom or the rear boom.

Further, the rear boom includes a swing arm, a reinforcement arm, an adjustment arm and a support base, one end of the swing arm is connected to the linkage mechanism through a bearing seat, the other end of the swing arm is connected to one end of the adjustment arm, and the reinforcement arm is connected obliquely Between the adjustment arm and the swing arm, the adjustment arm is connected with the support base.

In a further step, the adjustment arm is provided with a plurality of roller adjustment blocks, the inner side of the roller adjustment blocks is connected with a support base, and the roller adjustment blocks are provided with positioning locking pins. The rear boom can form different clamping positions of the support base by adjusting the position of the roller adjustment block, so as to adapt to the hoisting of car bodies of different sizes and structures.

In another step, the adjusting arm is extended and connected to the connecting arm of the front boom. Make the front boom and the rear boom move together, and the movements are coordinated and synchronized.

As a further step, an upwardly protruding stopper is provided on the top of the support base. Strengthen the role of the support seat and the underbody parts to prevent slipping.

Further, the lifting device includes a plurality of electric hoists and balanced scissors, one end of the electric hoist is respectively connected to one end of the bearing bracket, the other end of the electric hoist is connected to the end of the bracket, and one end of the balance scissors is connected to the bearing bracket In the middle of the bracket, the other end of the balance scissors fork is connected to the middle of the bracket. The electric hoist is connected with the coding controller to achieve synchronous lifting; the balance scissors and forks play an auxiliary role to enhance the stability of the system during the hoisting process.

Description of drawings

Fig. 1 is the overall structure front view of the present utility model.

Fig. 2 is a partial side view structural representation of the front boom and the rear boom of the overall structure of the utility model.

Fig. 3 is a partial cross-sectional structural schematic diagram of the roller adjustment block.

Figure 4 is a schematic diagram of the positional relationship between the spreader and the heavy-duty armored vehicle.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings to facilitate a clearer understanding of the utility model, but the utility model is not limited to the following specific embodiments.

As shown in Figure 1 and Figure 2, the utility model is a heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom, including a trolley 100, a spreader 500 and a lifting device 300, the trolley 100 is connected The tool 500 includes a bracket 510. The two ends of the bracket 510 are oppositely provided with a front boom 530 and a rear boom 520. The upper part of the bracket 510 is equipped with a motor reducer 400 and a link mechanism 410. The motor reducer 400 drives the link mechanism 410 to move. , the two ends of the link mechanism 410 are respectively connected to a pair of front booms 530 and a pair of rear booms 520 oppositely arranged, and a lifting device 300 is connected between the bearing bracket 200 and the bracket 510 .

In combination with the above scheme, as shown in Figures 1 to 4, the trolley 100 of the present invention includes a main drive vehicle 110, an auxiliary driven vehicle 120 and an anti-collision trolley 130, and the three kinds of trolleys are arranged along the length direction of the heavy-duty armored vehicle 800 , and be connected on the rail 600, wherein the main driving car 110 has a motion drive mechanism to drive the auxiliary driven car 120 to move, and the main driving car 110 and the auxiliary driven car 120 are provided with guide wheels to facilitate sliding on the steel rail 600; 110 is set in the middle, and the anti-collision car 130 and the secondary driven car 120 are respectively located on both sides of the main drive car 110, two groups are arranged in total, and both groups include three kinds of cars, and the anti-collision car 130 is all arranged at the outermost end; each group The main driving car 110 and the auxiliary driven car 120 are respectively hinged at the two ends of a load beam 210, and the load bracket 200 is fixedly connected with the two load beams 210 respectively; in order to achieve balance, two steel rails 600 are arranged parallel to each other up and down, and the upper layer is a hanging frame. Hanging rails, the lower floor is a trolley walking rail, on which two groups of trolleys 100 are arranged, and the main driving vehicle 110 and auxiliary driven vehicle 120 of each group of trolleys 100 are all hinged on a bearing bracket 210.

In combination with the above scheme, as shown in Fig. 1 and Fig. 2, the lifting device 300 is used to connect the upper bearing bracket 200 and the lower sling 500, and under the action of the lifting device 300, the sling 500 can move up and down; the lifting device 300 includes two electric hoists 310 and a balanced scissor fork 320, one end of the electric hoist 310 is respectively connected to one end of the bearing bracket 200, the other end of the electric hoist 310 is connected to the end of one side of the support 510, and one end of the balanced scissor fork 320 The other end of the balance scissor fork 320 is connected to the middle of the support 510 .

As shown in Fig. 1, Fig. 2 and Fig. 4, the front boom 530 is L-shaped, and the front boom 530 includes a vertical connecting arm 531 and a horizontal supporting arm 532, and one end of the connecting arm 531 and one end of the supporting arm 532 are fixed Connected, the support arm 532 is set towards the interior of the vehicle body to better support the bottom end of the front part of the vehicle body, and the top of the support arm 532 is provided with a raised anti-skid block; connection; two front booms 530 are relatively arranged on both sides of the vehicle body, and are opened and closed synchronously; the rear boom 520 includes a swing arm 521, a reinforcing arm 523, an adjustment arm 522 and a support seat 525, and one end of the swing arm 521 passes through the bearing seat 420 and The link mechanism 410 is connected, the other end of the swing arm 521 is connected with one end of the adjustment arm 522, the reinforcing arm 523 is obliquely connected between the adjustment arm 522 and the swing arm 521, and the adjustment arm 522 is connected with the support seat 525; preferably, the adjustment arm 522 is extended to connect with the connecting arm 531 of the front boom 530, the front boom 530 and the rear boom 520 move synchronously, and automatically open and close; preferably, the lower part of the bracket 510 is connected to the drop beam 700 to meet the zero-load position of the spreader 500 Operation, improve operation safety and stability.

As shown in Figure 1, Figure 3 and Figure 4, in a preferred embodiment, the adjustment arm 522 is provided with a plurality of roller adjustment blocks 524, the inner side of the roller adjustment block 524 is connected with a support seat 525, and the support seat 525 faces the inside of the vehicle body, and the rollers The adjustment block 524 is provided with a positioning locking pin 526, the axis of the positioning locking pin 526 is consistent with the extension direction of the support seat 525, and the top of the support seat 525 is provided with an upwardly protruding stopper 527; more preferably, the adjustment arm 522 The lower part of the adjustment beam is provided with an adjustment beam, the two ends of the adjustment beam are fixedly connected with the adjustment arm 522, the middle part of the adjustment beam is connected with a roller adjustment block 524, and the guide wheels on the roller adjustment block 524 can make the roller adjustment block 524 slide back and forth along the adjustment beam And adjust the position, and adopt positioning locking pin 526 to be locked in specific position, thereby the support base 525 that links to each other with adjustment block 524 is adjusted to suitable position, to adapt to the hoisting of heavy-duty armored vehicles 800 of different sizes and structures.

The electric hoist 310 of the utility model is equipped with an encoder to control the synchronous lifting, and simultaneously corrects the error of the synchronous lifting, so that the lifting process of the hoist 500 is controllable. The balance scissors fork 320 meets the stability requirement of the spreader 500 in the lifting process, and plays an auxiliary role. The link mechanism 410 can drive the front boom 520 and the rear boom 530 under the control of the motor reducer 400 to complete the automatic opening and closing action.

The specific embodiments described above are only illustrative, and the limiting modifiers of the technical terms used in the utility model are only for convenience of description, and any equivalent substitution or substantially the same limitation all fall within the protection scope of the utility model Under the inspiration of the heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom of the utility model, those of ordinary skill in the art can also derive There are many forms, and these are all within the protection scope of the present utility model.

Claims (9)

1. A heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom, comprising a trolley (100), a spreader (500) and a lifting device (300), and the trolley (100) is connected to the supporting bracket (200) , the spreader (500) includes a bracket (510), and the two ends of the bracket (510) are oppositely provided with a front boom (530) and a rear boom (520), characterized in that: the bracket (510) A motor reducer (400) and a link mechanism (410) are installed on the upper part of the motor, and the two ends of the link mechanism (410) are connected to a pair of front booms (530) and a pair of rear booms (520) respectively. ), a lifting device (300) is connected between the carrying bracket (200) and the bracket (510). 2. The heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom according to claim 1, characterized in that: the trolley (100) includes a main driving vehicle (110), an auxiliary driven vehicle (120) and an anti-collision vehicle. The trolley (130) has a motion driving mechanism on the main driving vehicle (110), the main driving vehicle (110) and the auxiliary driven vehicle (120) are respectively hinged at the two ends of the load beam (210), and the load beam (210) and the load bearing The bracket (200) is fixedly connected. 3. The heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom according to claim 2, characterized in that: the main driving vehicle (110) and the auxiliary driven vehicle (120) are provided with guide wheels. 4. The heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom according to claim 1, characterized in that: the front boom (530) is L-shaped, and the front boom (530) includes a vertical The connecting arm (531) and the horizontal support arm (532), one end of the connecting arm (531) and one end of the supporting arm (532) are fixedly connected, and the other end of the connecting arm (531) is connected to the connecting rod through the bearing seat (420) Mechanism (410) connection. 5. The heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom according to claim 1, characterized in that: the rear boom (520) includes a swing arm (521), a reinforcing arm (523), an adjusting arm (522) and the support seat (525), one end of the swing arm (521) is connected with the link mechanism (410) through the bearing seat (420), and the other end of the swing arm (521) is connected with an end of the adjustment arm (522), The reinforcing arm (523) is obliquely connected between the adjusting arm (522) and the swing arm (521), and the adjusting arm (522) is connected with the support seat (525). 6. The heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom according to claim 5, characterized in that: the adjustment arm (522) is provided with a plurality of roller adjustment blocks (524), and the roller adjustment blocks ( The inner side of 524) is connected with support seat (525), and the roller adjustment block (524) is provided with positioning locking pin (526). 7. The heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom according to claim 5 or 6, characterized in that: the connecting arm (531) of the adjusting arm (522) extending to the front boom (530) connect. 8. The heavy-duty spreader with synchronous lifting and automatic opening and closing of the boom according to claim 5 or 6, characterized in that: the top of the support base (525) is provided with an upwardly protruding stopper (527). 9. The heavy-duty spreader with synchronous lifting and automatic boom opening and closing according to claim 1, characterized in that: the lifting device (300) includes a plurality of electric hoists (310) and balanced scissors and forks (320), One end of the electric hoist (310) is respectively connected to one end of the bearing bracket (200), the other end of the electric hoist (310) is connected to the end of the bracket (510), and one end of the balance scissors fork (320) is connected to the bearing bracket (200). ), the other end of the balance scissors fork (320) is connected to the middle part of the support (510).