Bagged material conveying flat car

Abstract

The utility model relates to the technical field of flat cars, in particular to a bagged material conveying flat car which comprises a support, trundles located at the four corners of the lower end of the support and a handle located at the upper end of the support, a lifting mechanism and a turnover mechanism are arranged on the support, and the turnover mechanism comprises a workbench, a reset spring, a blocking piece and a limiting assembly. One end of the reset spring is connected with the lifting mechanism, the other end of the reset spring is connected with the workbench, limiting assemblies are arranged on the two sides of the workbench, the ends, away from the limiting assemblies, of the limiting assemblies are in shaft connection with the lifting mechanism, and a blocking piece is arranged at the end, connected with the lifting mechanism, of the workbench. Due to the inclination of the workbench, granular or powdery materials in a packaging bag can slide down under the action of gravity and flow out along an opening of the packaging bag, the labor intensity of workers is relieved, and the labor efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flatbed vehicles, in particular to a flatbed vehicle for conveying bagged materials. Background Art

[0002] Flatbed trucks are a common load-carrying tool, suitable for short-distance cargo transportation, and are especially suitable for material transportation in warehouses, factories and other places. Existing flatbed trucks are composed of a frame, a flatbed and wheels. The flatbed, which carries heavy objects, is fixed on the frame and is close to the ground. When the raw materials enter the pre-storage tank, the staff needs to take a bag of materials from the stacked bagged materials, then bend down and put it on the flatbed truck, which is pushed to the feed port of the pre-storage bin, and the staff pours the materials in the bag into the feed port. The height differences between the stacked materials and the flatbed truck, and between the flatbed truck and the feed port of the pre-storage bin need to be overcome by manual handling, which is not only labor-intensive but also has low work efficiency.

[0003] The invention patent application with publication number CN108502788A discloses a pedal-type charging module lifting platform vehicle, including a hydraulic lifting system, a slewing support system, and a longitudinal telescopic system. The hydraulic lifting system includes a support, and the four corners of the lower end of the support are respectively connected to casters. The support is connected to a scissor arm and a hydraulic cylinder. The scissor arm and the hydraulic cylinder are connected. The hydraulic cylinder is respectively connected to a foot switch and a pressure relief handle. The scissor arm is connected to the mounting table, and the rear of the support is connected to a handle. The lifting and lowering of the work table is controlled by the scissor arm and the hydraulic cylinder, thereby reducing the labor intensity of loading and unloading work and improving loading and unloading efficiency. However, the device does not solve the problem of manual handling and dumping of bagged materials. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a flatbed truck for conveying bagged materials, which not only has a lifting and lowering workbench but also can tilt automatically, thus solving the problem of manual dumping of bagged materials.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A flatbed truck for conveying bagged materials includes a support, casters located at the four corners of the lower end of the support, and a handle located at the upper end of the support. The support is provided with a lifting mechanism and a flipping mechanism. The flipping mechanism includes a workbench, a return spring, a blocking member and a limit assembly. One end of the return spring is connected to the lifting mechanism, and the other end is connected to the workbench. Limit assemblies are provided on both sides of the workbench, and the end away from the limiting assembly is axially connected to the lifting mechanism. The end of the workbench connected to the lifting mechanism is provided with a blocking member, and the workbench is kept in a horizontal state by the limiting assembly.

[0007] The above-mentioned bagged material conveying flatbed truck, the limiting assembly includes a fixed column, a limiting column and a limiting hook, the fixed column is fixedly connected to the side wall of the workbench, one end of the limiting hook is sleeved on the outer surface of the fixed column, and the longitudinal section of the other end is semicircular, and the limiting column is fixedly connected to the lifting mechanism.

[0008] The above-mentioned bagged material conveying flatbed truck, the blocking member includes a sliding plate and a baffle, one end of the sliding plate is fixedly connected to the baffle, and the other end is provided with a sliding column, the upper end of the workbench is provided with a slide groove, the sliding plate is located in the slide groove, and slideways are provided on both sides of the slide groove, and the slideways cooperate with the sliding column.

[0009] The above-mentioned bagged material conveying flatbed truck, the lifting mechanism includes two groups of scissor arms symmetrically arranged on the support, a support platform and a moving assembly connected to the other end of the scissor arms. The two groups of scissor arms have the same structure. The scissor arms include an outer scissor arm and an inner scissor arm. The middle parts of the outer scissor arm and the inner scissor arm are hinged by a pin shaft. The lower end of the outer scissor arm slides with the support, and the upper end is fixedly connected to the support platform. The lower end of the inner scissor arm is fixedly connected to the support, and the upper end is slidably matched with the support platform. A connecting cross bar is provided between the two inner scissor arms.

[0010] The above-mentioned bagged material conveying flatbed truck, the moving component includes a screw, a screw slider and a handwheel, the screw is fixed to the lower end surface of the support platform through a bearing seat, one end of the screw passes through the support platform and is connected to the handwheel, the screw is provided with a screw slider, and the screw slider is fixedly connected to the connecting cross bar.

[0011] The beneficial effects of adopting the above technical solution are:

[0012] The utility model drives the scissor fork arm to slide by the hand wheel, the screw and the screw slider, and the scissor fork arm drives the support platform and the various components thereon to rise and fall, thereby reducing the height difference between the stacked materials or the feeding port, which is conducive to nearby loading and unloading. A reset spring is provided between the workbench and the support platform, and the reset spring can make the workbench rotate along the connecting axis between the two. The tilting of the workbench can make the granular or powdery materials in the packaging bag slide down under the action of gravity and flow out along the opening of the packaging bag, eliminating the need for workers to lift and dump materials.

[0013] The utility model is also provided with a limit assembly, which can keep the workbench level by hooking the limit hook on the limit column, and the reset spring is in a compressed state. After the limit hook is opened, the spring resets and drives the workbench to tilt, and a blocking member is also provided at one end where the workbench is connected to the support platform. When the workbench is tilted, the bagged material slides downward due to gravity and drives the sliding plate to slide in the chute. The front end of the bagged material moves with the sliding plate to above the feed port, and the sliding plate and the baffle play a role of limiting and bearing the front end of the bagged material. After the staff cuts open the packaging bag of the material, the material can automatically fall into the feed port, further reducing the labor intensity of the workers and improving labor efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model (not drawn to scale);

[0016] Figure 2 for Figure 1 A partial enlarged view of part A in the middle (not drawn to scale);

[0017] Figure 3 for Figure 1 A partial enlarged view of part B in the middle (not drawn to scale);

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the utility model from another angle (not drawn to scale).

[0019] In the figure: 1. Support; 2. Caster; 3. Handle; 4. Workbench; 4-1. Slide; 4-2. Slide; 5. Return spring; 6. Blocking member; 6-1. Sliding plate; 6-2. Baffle; 6-3. Sliding column; 7. Limiting assembly; 7-1. Fixed column; 7-2. Limiting column; 7-3. Limiting hook; 8. Scissor arm; 9. Support platform; 10. Connecting cross bar; 11. Screw; 12. Screw slider; 13. Handwheel. DETAILED DESCRIPTION

[0020] like Figure 1-4When the lifting device is lifted up, the lifting lever 2 is lifted up and the lifting lever 2 is lifted up, and the lifting lever 2 is in a state of being lifted and lowered. When the lifting device is lifted up, the lifting lever 2 is lifted up and the lifting lever 2 is in a state of being lifted and lowered. When the lifting device is lifted up, the lifting lever 2 is lifted up and the lifting lever 2 is in a state of being lifted and lowered. When the lifting device is lifted up, the lifting lever 2 is lifted up and the lifting lever 2 is in a state of being lifted and lowered. When the lifting device is lifted up, the lifting lever 2 is lifted up and the lifting lever 2 is in a state of being lifted and lowered. When the lifting device is lifted up, the lifting lever 2 is lifted up and the lifting lever 2 is in a state of being lifted and lowered. When the lifting device is lifted up, the lifting lever 2 is lifted up and the lifting lever 2 is in a state of being lifted and lowered

[0021] like Figure 3 As shown, the limit assembly 7 includes a fixed column 7-1, a limit column 7-2 and a limit hook 7-3. The fixed column 7-1 is fixedly connected to the side wall of the workbench 4, and its cross section is "T"-shaped. One end of the limit hook 7-3 is a circular ring, which is sleeved on the outer surface of 7-1, and the longitudinal section of the other end is semicircular. The limit column 7-2 is fixedly connected to the support platform 9 of the lifting mechanism. By hooking the lower end of the limit hook 7-3 on the limit column 7-2, the reset spring 5 is in a compressed state and the workbench 4 remains horizontal.

[0022] like Figure 2 As shown, the blocking member 6 includes a sliding plate 6-1 and a baffle 6-2, one end of the sliding plate 6-1 is fixedly connected to the baffle 6-2, and the other end is provided with a sliding column 6-3, and the upper end of the workbench 4 is provided with a slide groove 4-1, the sliding plate 6-1 is located in the slide groove 4-1, and slideways 4-2 are provided on both sides of the slide groove 4-1, and the end of the slideway 4-2 close to the baffle 6-2 is a closed end, and the slideway 4-2 cooperates with the sliding column 6-3, and the sliding column 6-3 moves in the slideway 4-2, driving the sliding plate 6-1 to move in the slide groove 4-1. When the workbench 4 is tilted, the bagged material slides downward under the action of gravity, and the sliding plate 6-1 and the baffle move downward accordingly, until the sliding column 6-3 moves to the end of the slideway 4-2, at which time a part of the front end of the bagged material is in a suspended state, which is convenient for pouring out the material.

[0023] In the present invention, a support column is provided at one end of the workbench 4 away from the blocking member, and the support column is located at two corners of the workbench.

[0024] like Figure 1 、 4As shown, the lifting mechanism includes two groups of scissor arms 8 symmetrically arranged on the support, a support platform 9 connected to the other end of the scissor arms 8 and a moving component. The two groups of scissor arms 8 have the same structure. The scissor arms 8 include an outer scissor arm and an inner scissor arm. The middle parts of the outer scissor arm and the inner scissor arm are hinged by a pin shaft. The lower end of the outer scissor arm slides with the support 1, and the upper end is fixedly connected to the support platform 9. The lower end of the inner scissor arm is fixedly connected to the support 1, and the upper end is slidably matched with the support platform 9. A connecting cross bar 10 is provided between the two inner scissor arms, and the end of the support platform 9 away from the handle 3 is axially connected to the workbench 4.

[0025] like Figure 4 As shown, the moving assembly includes a screw 11, a screw slider 12 and a handwheel 13. The screw 11 is fixed to the lower end surface of the support platform 9 through a bearing seat, and one end of the handle 3 passes through the support platform 9 and is connected to the handwheel 13. A screw slider 12 is provided on the screw 11, and the screw slider 12 is fixedly connected to the connecting cross bar 10. The handwheel 13 drives the screw 11 to rotate, and the screw slider 12 is displaced, thereby driving one end of the scissor arm 8 to slide, and the support platform 9 is driven to rise and fall through the scissor arm 8.

[0026] Working process:

[0027] 1. Hook the lower end of the limit hook 7-3 onto the limit column 7-2, so that the return spring 5 is in a compressed state and the workbench 4 remains horizontal. Push the utility model to the side of the piled material, turn the hand wheel 13, and drive the support platform 9 and its components upward through the scissor arm 8 to reduce the height difference between the material and the workbench 4. The staff removes the material and places it on the workbench 4;

[0028] 2. Push the utility model to the side of the pre-storage bin feeding port, press the brake of the caster 2, and then turn the handwheel 13 to adjust the height of the workbench 4 so that it is slightly higher than the feeding port, open the limit hook 7-3, and the spring resets the workbench 4 to tilt toward one end of the baffle 6-2. The bagged material slides downward due to gravity, and drives the sliding plate 6-1 to slide in the chute 4-1. The front end of the bagged material moves with the sliding plate 6-1 to above the feeding port. The sliding plate 6-1 and the baffle 6-2 limit and bear the weight of the front end of the bagged material. After the staff cuts open the packaging bag of the material, the material falls into the feeding port. As the material decreases, the inclination angle of the workbench 4 becomes larger until all the material is poured out.

[0029] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A flatbed truck for transporting bagged materials, comprising a support (1), casters (2) located at four corners of the lower end of the support (1), and a handle (3) located at the upper end of the support (1), characterized in that: The support (1) is provided with a lifting mechanism and a turning mechanism, and the turning mechanism comprises a workbench (4), a return spring (5), a blocking member (6) and a limiting assembly (7). One end of the return spring (5) is connected to the lifting mechanism, and the other end is connected to the workbench (4). Both sides of the workbench (4) are provided with limiting assemblies (7), and the end thereof away from the limiting assembly (7) is axially connected to the lifting mechanism. The end of the workbench (4) connected to the lifting mechanism is provided with a blocking member (6), and the workbench (4) is kept in a horizontal state by the limiting assembly (7).

2. The flatbed truck for conveying bagged materials according to claim 1, characterized in that: The limiting assembly (7) comprises a fixed column (7-1), a limiting column (7-2) and a limiting hook (7-3); the fixed column (7-1) is fixedly connected to the side wall of the workbench (4); one end of the limiting hook (7-3) is sleeved on the outer surface of the fixed column (7-1), and the longitudinal section of the other end is semicircular; the limiting column (7-2) is fixedly connected to the lifting mechanism.

3. The flatbed truck for conveying bagged materials according to claim 1 or 2, characterized in that: The blocking member (6) comprises a sliding plate (6-1) and a baffle (6-2); one end of the sliding plate (6-1) is fixedly connected to the baffle (6-2); the other end is provided with a sliding column (6-3); a sliding groove (4-1) is provided at the upper end of the workbench (4); the sliding plate (6-1) is located in the sliding groove (4-1); slideways (4-2) are provided on both sides of the sliding groove (4-1); the slideways (4-2) cooperate with the sliding column (6-3).

4. The flatbed truck for conveying bagged materials according to claim 3, characterized in that: The lifting mechanism comprises two groups of scissor arms (8) symmetrically arranged on a support (1), a support platform (9) connected to the other end of the scissor arms (8) and a moving assembly. The two groups of scissor arms (8) have the same structure. The scissor arms (8) comprise an outer scissor arm and an inner scissor arm. The middle parts of the outer scissor arm and the inner scissor arm are hinged by a pin shaft. The lower end of the outer scissor arm is slidably matched with the support (1), and the upper end is fixedly connected to the support platform (9). The lower end of the inner scissor arm is fixedly connected to the support (1), and the upper end is slidably matched with the support platform (9). A connecting cross bar (10) is provided between the two inner scissor arms.

5. The flatbed truck for conveying bagged materials according to claim 4, characterized in that: The moving assembly includes a screw (11), a screw slider (12) and a handwheel (13); the screw (11) is fixed to the lower end surface of the support platform (9) through a bearing seat, one end of the screw passes through the support platform (9) and is connected to the handwheel (13); a screw slider (12) is provided on the screw (11), and the screw slider (12) is fixedly connected to the connecting cross bar (10).

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