CN216736622U

CN216736622U - Automatic loading and unloading car cantilever structure that stretches forward

Info

Publication number: CN216736622U
Application number: CN202220393694.XU
Authority: CN
Inventors: 万丰; 易立东; 方志坚; 张广明; 李智; 杨戬
Original assignee: Zhuzhou Kemeng Vehicle Paths Co ltd
Current assignee: Zhuzhou Kemeng Vehicle Paths Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-14
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to the technical field of loading and unloading equipment, and discloses a large arm forward-extending structure of an automatic loading and unloading vehicle, which comprises a fixed frame and an expansion frame, wherein the expansion frame is slidably arranged on the upper surface of the front end of the fixed frame, two sides of the fixed frame are fixedly connected with supporting frames, fixed carrier roller assemblies are arranged in the supporting frames and the fixed frame, an expansion carrier roller assembly is arranged in the expansion frame, a conveying belt is wound between the fixed carrier roller assembly and the expansion carrier roller assembly, an expansion driving assembly is arranged in the fixed frame and drives the expansion frame to slide on the fixed frame in a reciprocating manner, and meanwhile, the distance between the fixed carrier roller assembly and the expansion carrier roller assembly is changed, so that the conveying belt can realize synchronous expansion and contraction movement along with the expansion frame. The conveying belt can realize the synchronous stretching process along with the movement of the telescopic frame, so that the front arm can be driven to realize the fine adjustment of the distance between the front arm and the goods, namely the distance compensation of the front arm is realized through the stretching process of the telescopic frame.

Description

Automatic loading and unloading car cantilever structure that stretches forward

Technical Field

The utility model relates to the technical field of loading and unloading equipment, in particular to a cantilever extending structure of an automatic loading and unloading truck.

Background

At present, two modes are mainly adopted for loading and unloading goods, wherein the first mode adopts a traditional manual stacking mode, and the main problems of the mode are that the labor intensity is high, the labor cost is high, the efficiency is low, the goods stacking is irregular, the goods are damaged due to overturning in the transportation process, the goods are damaged due to violent stacking, and the like; the second kind adopts handling equipment to accomplish loading and unloading goods work, adopts the conveyor line body of butt joint before goods and vehicle, and the goods is direct to realize the transport through the conveyor line body, and this kind of mode has alleviateed workman's working strength, improves work efficiency, but how to realize in the transportation and the goods between the interval fine setting be its a difficult problem that needs to solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large arm forward-extending structure of an automatic loading and unloading vehicle, which can realize the synchronous extending and retracting process of a conveying belt and an extending and retracting frame, thereby realizing the fine adjustment of the distance between the conveying belt and goods.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a structure of stretching forward of auto-control handling car forearm, includes mount and expansion bracket, expansion bracket slidable mounting is at the front end upper surface of mount, the both sides fixedly connected with support frame of mount, install fixed bearing roller subassembly in support frame and the mount, install flexible bearing roller subassembly in the expansion bracket, around being equipped with conveyor belt between fixed bearing roller subassembly and the flexible bearing roller subassembly, set up flexible drive assembly in the mount, flexible drive assembly drive expansion bracket is reciprocal sliding on the mount, and interval between fixed bearing roller subassembly and the flexible bearing roller subassembly changes simultaneously to make conveyor belt realize synchronous concertina movement along with the expansion bracket.

As a further scheme of the utility model: the upper surface of mount front end installs the slide rail, the slider with slide rail looks adaptation is installed to the bottom of expansion bracket, slider sliding connection is on the slide rail.

As a further scheme of the utility model: fixed bearing roller subassembly includes fixed roll, first transition roller, power roller and tensioning roller, the fixed roll rotates and installs in the tail end of support frame, power roller and tensioning roller rotate the both ends of installing in the mount, first transition roller rotates and installs in the upper end of mount, and first transition roller is located between fixed roll and the power roller.

As a further scheme of the utility model: the fixed carrier roller assembly further comprises a fixed bracket erected in the support frame, and the fixed bracket is used for supporting the conveying belt in the support frame.

As a further scheme of the utility model: flexible bearing roller subassembly includes activity roller, second transition roller and erects a plurality of flexible brackets in the expansion bracket, the activity roller rotates and installs in the head end of expansion bracket, second transition roller rotates in installation and the expansion bracket, and second transition roller is located between activity roller and the tensioning roller, flexible bracket is used for the conveyor belt in the bearing expansion bracket.

As a further scheme of the utility model: and the conveying belt sequentially winds the fixed roller, the first transition roller, the power roller, the tensioning roller, the second transition roller and the movable roller to form reciprocating circulation.

As a further scheme of the utility model: the telescopic driving assembly comprises an electric cylinder mounting frame and a telescopic electric cylinder fixedly mounted on the electric cylinder mounting frame, the electric cylinder mounting frame is erected in the fixing frame, and the output end of the telescopic electric cylinder is connected with one of the telescopic brackets.

The utility model has the beneficial effects that: through the push-and-pull effect of flexible electric cylinder, can promote telescopic bracket reciprocating motion on the mount, simultaneously through mutually supporting between fixed bearing roller subassembly and the flexible bearing roller subassembly, make around establishing the conveyor belt above that can realize synchronous flexible process along with the removal of telescopic bracket, thereby can drive the forearm and realize and the goods between the fine setting of distance, the flexible process through the telescopic bracket has realized the distance compensation of forearm promptly, make the forearm can keep suitable distance with the goods throughout in order to accomplish the material loading process smoothly.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the conveyor belt of the present invention after removal;

FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 1;

fig. 4 is a schematic view of the structure of the truck of the present invention.

In the figure: 1. a fixed mount; 101. a slide rail; 2. a telescopic frame; 201. a slider; 3. a support frame; 4. fixing the carrier roller assembly; 401. a fixed roller; 402. a first transition roll; 403. a power roller; 404. a tension roller; 405. a fixing bracket; 5. a telescopic carrier roller assembly; 501. a movable roller; 502. a second transition roll; 503. a telescopic bracket; 6. a conveyor belt; 7. a telescopic drive assembly; 701. an electric cylinder mounting frame; 702. a telescopic electric cylinder; 8. a running chassis assembly; 9. a vehicle control assembly; 10. a large arm rotating assembly; 11. the forearm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 4, the truck mainly comprises a traveling chassis assembly 8, a vehicle control assembly 9, a boom swivel assembly 10, a boom and a forearm 11.

The walking chassis assembly 8 is used for driving a vehicle to integrally advance, the vehicle control assembly 9 is installed on the walking chassis assembly 8 and mainly used for controlling various operation procedures of the vehicle, a large arm rotating assembly 10 is further installed at the upper end of the walking chassis assembly 8 and consists of a fixing frame 1, an expansion frame 2 and a supporting frame 3, the large arm rotating assembly 10 is used for controlling the large arm to swing in the horizontal direction and the vertical direction so as to meet the cargo transportation requirements of different positions, meanwhile, the expansion frame 2 can be used for stretching and contracting in a small range on the fixing frame 1, so that the front arm 11 is driven to achieve fine adjustment of the distance between the front arm 11 and the cargo, self-adaptive ground distance compensation can be achieved by matching with a corresponding sensor, and the front arm 11 can be attached to the cargo on different horizontal positions all the time so as to complete the transportation process.

As shown in fig. 1, the utility model provides a boom extension structure of a truck loader, which comprises a fixed frame 1 and an expansion frame 2, wherein the expansion frame 2 is slidably mounted on the upper surface of the front end of the fixed frame 1, support frames 3 are fixedly connected to two sides of the fixed frame 1, fixed carrier roller assemblies 4 are mounted in the support frames 3 and the fixed frame 1, expansion carrier roller assemblies 5 are mounted in the expansion frame 2, a conveying belt 6 is wound between the fixed carrier roller assemblies 4 and the expansion carrier roller assemblies 5, an expansion driving assembly 7 is arranged in the fixed frame 1, the expansion driving assembly 7 drives the expansion frame 2 to slide on the fixed frame 1 in a reciprocating manner, and meanwhile, the distance between the fixed carrier roller assemblies 4 and the expansion carrier roller assemblies 5 changes, so that the conveying belt 6 can realize synchronous expansion and contraction movement along with the expansion frame 2.

As shown in fig. 2, a slide rail 101 is mounted on the upper surface of the front end of the fixed frame 1, a slide block 201 adapted to the slide rail 101 is mounted at the bottom of the telescopic frame 2, the slide block 201 is slidably connected to the slide rail 101, and the slide block 201 is slidably matched with the slide rail 101 so that the telescopic frame 2 can reciprocate on the upper surface of the fixed frame 1.

As shown in fig. 2 and 3, the fixed idler assembly 4 includes a fixed roller 401, a first transition roller 402, a power roller 403 and a tension roller 404, the fixed roller 401 is rotatably mounted at the tail end of the support frame 3, the power roller 403 and the tension roller 404 are rotatably mounted at two ends of the fixed frame 1, the first transition roller 402 is rotatably mounted at the upper end of the fixed frame 1, and the first transition roller 402 is located between the fixed roller 401 and the power roller 403.

Wherein, still install servo motor (not shown in the figure) in the mount 1, servo motor's output is connected the one end of drive chain, and the other end of drive chain cup joints at power roller 403, and servo motor drives drive chain and rotates to drive power roller 403 and rotate, and then provide power take off for conveyor belt 6's cyclic delivery process.

Further, the fixed carrier roller assembly 4 further comprises a fixing bracket 405 erected in the support frame 3, and the fixing bracket 405 is used for supporting the conveying belt 6 in the support frame 3, so that the conveying belt 6 in the support frame 3 can be kept flat in the conveying process.

As shown in fig. 2 and fig. 3, the telescopic idler assembly 5 includes a movable roller 501, a second transition roller 502 and a plurality of telescopic brackets 503 erected in the telescopic frame 2, the movable roller 501 is rotatably installed at the head end of the telescopic frame 2, the second transition roller 502 is rotatably installed in the telescopic frame 2, the second transition roller 502 is located between the movable roller 501 and the tension roller 404, the telescopic brackets 503 are used for supporting the conveying belt 6 in the telescopic frame 2, so as to ensure that the conveying belt 6 in the telescopic frame 2 keeps flat in the conveying process.

Specifically, the conveyor belt 6 is wound around a fixed roller 401, a first transition roller 402, a power roller 403, a tension roller 404, a second transition roller 502, and a movable roller 501 in this order to form a reciprocating cycle.

As shown in fig. 2 and 3, the telescopic driving assembly 7 includes an electric cylinder mounting rack 701 and a telescopic electric cylinder 702 fixedly mounted on the electric cylinder mounting rack 701, the electric cylinder mounting rack 701 is erected in the fixing rack 1, and an output end of the telescopic electric cylinder 702 is connected to one of the telescopic brackets 503.

The working principle of the utility model is as follows: in use, the power roller 403 starts to rotate to provide power for the transmission process of the conveying belt 6, and the conveying belt 6 sequentially passes through the power roller 403, the tensioning roller 404, the second transition roller 502, the movable roller 501, the fixed roller 401 and the first transition roller 402 to form a reciprocating cycle;

when the telescopic frame 2 needs to extend forwards, the telescopic electric cylinder 702 operates to push one telescopic bracket 503 forwards, so that the telescopic frame 2 is driven to move forwards along the slide rail 101, at the moment, the distance between the movable roller 501 and the fixed roller 401 is increased, the stroke of the upper conveying belt 6 is increased, meanwhile, the distance between the second transition roller 502 and the tensioning roller 404 is correspondingly reduced, the stroke of the lower conveying belt 6 is correspondingly reduced, and the synchronous extension process of the telescopic frame 2 and the conveying belt 6 is completed;

when the expansion bracket 2 needs to retract backwards, the telescopic electric cylinder 702 operates to pull one of the telescopic brackets 503 backwards, so that the expansion bracket 2 is driven to move backwards along the sliding rail 101, the distance between the movable roller 501 and the fixed roller 401 is reduced at the moment, the formation of the upper conveying belt 6 is reduced, meanwhile, the distance between the second transition roller 502 and the tensioning roller 404 is correspondingly increased, the formation of the lower conveying belt 6 is correspondingly increased, and the synchronous retraction process of the expansion bracket 2 and the conveying belt 6 is completed.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. A big arm forward-extending structure of an automatic loading and unloading vehicle is characterized by comprising a fixed frame (1) and a telescopic frame (2), the telescopic frame (2) is slidably arranged on the upper surface of the front end of the fixed frame (1), the two sides of the fixed frame (1) are fixedly connected with the supporting frames (3), a fixed carrier roller component (4) is arranged in the supporting frame (3) and the fixed frame (1), a telescopic carrier roller component (5) is arranged in the telescopic frame (2), a conveying belt (6) is wound between the fixed carrier roller component (4) and the telescopic carrier roller component (5), a telescopic driving component (7) is arranged in the fixed frame (1), the telescopic driving component (7) drives the telescopic frame (2) to slide on the fixed frame (1) in a reciprocating manner, meanwhile, the distance between the fixed carrier roller component (4) and the telescopic carrier roller component (5) is changed, so that the conveying belt (6) can realize synchronous telescopic motion along with the telescopic frame (2).

2. A lift truck boom extension structure according to claim 1, characterized in that the upper surface of the front end of said fixed frame (1) is provided with a slide rail (101), the bottom of said telescopic frame (2) is provided with a slide block (201) adapted to the slide rail (101), said slide block (201) is slidably connected to the slide rail (101), and the slide block (201) and the slide rail (101) are slidably engaged to enable the telescopic frame (2) to reciprocate on the upper surface of the fixed frame (1).

3. A lift truck boom extension structure according to claim 1, characterized in that said fixed idler assembly (4) comprises a fixed roller (401), a first transition roller (402), a power roller (403) and a tension roller (404), said fixed roller (401) is rotatably mounted at the rear end of the support frame (3), said power roller (403) and tension roller (404) are rotatably mounted at both ends of the frame (1), said first transition roller (402) is rotatably mounted at the upper end of the frame (1), and said first transition roller (402) is located between the fixed roller (401) and the power roller (403).

4. A lift truck boom extension structure according to claim 3 wherein said fixed idler assemblies (4) further comprise a fixed bracket (405) mounted within the support frame (3), said fixed bracket (405) adapted to support the conveyor belt (6) within the support frame (3) to ensure that the conveyor belt (6) within the support frame (3) remains flat during transport.

5. A lift truck boom extension structure according to claim 4, characterized in that said telescopic idler assemblies (5) comprise a mobile roller (501), a second transition roller (502) and a number of telescopic brackets (503) erected in the telescopic frame (2), said mobile roller (501) is rotatably mounted at the head end of the telescopic frame (2), said second transition roller (502) is rotatably mounted in the telescopic frame (2), and said second transition roller (502) is located between the mobile roller (501) and the tension roller (404), said telescopic brackets (503) are used to hold the conveyor belt (6) in the telescopic frame (2) in order to ensure that the conveyor belt (6) in the telescopic frame (2) is kept flat during the conveying process.

6. A lift truck boom extension structure according to claim 5 wherein said conveyor belt (6) is looped around a fixed roller (401), a first transition roller (402), a power roller (403), a tension roller (404), a second transition roller (502) and a movable roller (501) in sequence to form a reciprocating cycle.

7. A lift truck boom reach structure as claimed in claim 1 wherein said telescoping drive assembly (7) comprises a cylinder mount (701) and a telescoping cylinder (702) fixedly mounted on the cylinder mount (701), said cylinder mount (701) being mounted within the mount (1), the output of said telescoping cylinder (702) being connected to one of the telescoping brackets (503).