Hopper truck for construction site

Abstract

The utility model provides a hopper truck for a construction site, which comprises a frame, a hopper and two wheels, the two wheels are respectively positioned on the left side and the right side of the hopper and are mounted on the frame or the hopper, a bottom plate of the hopper is provided with a discharge port and is hinged with a movable plate for blocking the discharge port, and the movable plate can rotate up and down below the hopper; two parallel sliding rods are arranged on the vehicle frame and symmetrically arranged on the two sides of the movable plate, the extending direction of the two sliding rods is perpendicular to a hinge shaft of the movable plate, each sliding rod is slidably connected with a sliding block, a force bearing rod is connected between the two sliding blocks, and the force bearing rod is located below a bottom plate of the vehicle hopper and can drive the movable plate to rotate up and down along with sliding of the sliding blocks. Opening and closing the discharge opening; the two sliding blocks are further provided with push-pull pieces. According to the trolley, unloading is conducted from the bottom of the trolley hopper, unloading is conducted without the mode that the trolley is lifted or shoveled out, labor is saved, and in addition, the loading capacity of the trolley is improved through the structure of the sliding rods, the sliding blocks and the force bearing rods.

Description

Technical Field

[0001] This utility model relates to the field of hand-pushed wheelbarrow technology, specifically a material transport wheelbarrow for construction sites. Background Technology

[0002] Hand-pushed material trolleys are frequently seen on construction sites. Their flexibility makes them ideal for transporting materials over short to medium distances and in small quantities. However, existing trolleys require lifting the entire trolley after transporting materials to the destination, tilting the bucket forward to unload or shovel out the materials, which is very time-consuming and labor-intensive. Utility Model Content

[0003] To address the technical problems existing in the background art, this utility model provides a material transport hopper for construction sites.

[0004] The technical solution of this utility model is as follows:

[0005] A material transport hopper for construction sites includes a frame, a bucket, and two wheels. The two wheels are located on the left and right sides of the bucket and are mounted on the frame or the bucket. The bottom plate of the bucket is provided with a discharge port and is hinged with a movable plate that blocks the discharge port. The movable plate can rotate up and down under the bucket.

[0006] The frame is equipped with two parallel sliding rods, which are symmetrically arranged on both sides of the movable plate and extend perpendicular to the hinge axis of the movable plate. Each sliding rod is slidably connected to a slider, and a load-bearing rod is connected between the two sliders. The load-bearing rod is located below the bottom plate of the truck bed and can drive the movable plate to rotate up and down as the slider slides, opening and closing the unloading port.

[0007] The two sliders are also equipped with push-pull components.

[0008] By setting a discharge port and a movable plate on the bottom plate of the truck bed, when unloading is required, the movable plate is opened and the material in the truck bed is discharged from the discharge port under its own gravity. There is no need to lift the truck bed or shovel it out to unload, which saves labor and improves the efficiency of unloading and transporting materials.

[0009] In addition, the structure of sliding rods, sliders, and load-bearing rods not only controls the opening and closing of the movable plate, but also the load-bearing rods run horizontally across the width of the movable plate and intercept it below the movable plate, providing a larger support surface. Furthermore, the load-bearing rods are supported by sliding rods, making the movable plate more load-bearing and capable of carrying a greater load.

[0010] Preferably, when the movable plate blocks the discharge port, it is in a horizontal state, the slide bar extends horizontally, and the support bar extends horizontally along the direction perpendicular to the slide bar. This is so that when the support bar drives the movable plate to block the discharge port, the direction of the force applied by the movable plate to the support bar and the direction of the support force of the support bar to the movable plate are both vertical, thereby preventing the slider from being pressed down by the movable plate and causing it to slide.

[0011] In some implementations, the rear side of the movable plate is hinged to the rear side of the discharge port, and the hinge shaft extends horizontally to the left and right. When the movable plate is opened, it rotates from front to back, and the material is unloaded to the front and lower part of the bucket car. This arrangement makes it convenient to pull the bucket car back when the discharge space is full or when the discharge is completed, so that the bucket car can be easily withdrawn.

[0012] In some embodiments, the frame includes a left frame and a right frame with identical structures. Both the left and right frames include a vertical frame, a transverse frame extending forward from the middle of the vertical frame, and a push frame extending backward from the upper end of the vertical frame. The wheels are mounted on the transverse frame, and the slide bar is located below the transverse frame, with its rear end fixed to the vertical frame and its front end fixed to the transverse frame. The slide bar is supported by the transverse frame and the vertical frame, which further improves the supporting force of the load-bearing rod on the movable plate, thereby improving the load-bearing capacity of the movable plate.

[0013] To avoid the influence of the wheel mounting position on the slider's sliding, the slider should ideally be positioned below the floor of the truck bed and also below the wheel axle.

[0014] To prevent the movable plate from bending away from the hinge when the support rod moves towards the hinge, a gap is provided between the support rod and the bottom plate of the truck bed. A reinforcing strip protrudes from the lower surface of the movable plate away from the hinge axis. This reinforcing strip is designed to block the discharge port when the support rod abuts against its lower surface. When the support rod moves away from the reinforcing strip, the movable plate rotates at an angle, causing its lower surface to abut against the support rod. This applies a tilting force to the support rod, accelerating its movement towards the hinge under the weight of the material, reducing the time the movable plate bears the material's weight, and lowering the probability of bending.

[0015] Preferably, the reinforcing strip extends in the same direction as the load-bearing rod, and its lower surface is provided with a groove that engages with the load-bearing rod. The depth of the groove is less than the radius of the load-bearing rod. When the load-bearing rod slides to the lower surface of the reinforcing strip, it engages with the groove, further preventing the load-bearing rod from shifting laterally and improving the load-bearing rod's ability to lock onto the movable plate.

[0016] To improve the service life of the load-bearing rod and the movable plate, a wear-resistant tube is fitted on the load-bearing rod. The wear-resistant tube can rotate on the load-bearing rod, changing the sliding friction between the load-bearing rod and the movable plate into rolling friction, thereby reducing friction loss.

[0017] To facilitate the unified sliding of the two sliders, the push-pull component is designed as a horizontally placed U-shaped component with its two ends extending forward and connecting to the two sliders respectively. The bent part protrudes backward from the rear end face of the truck bed. Guide ears are provided on both vertical frames, and the two side arms of the push-pull component slide in cooperation with the two guide ears respectively.

[0018] To prevent excessive displacement of the slider and to prevent the support rod from disengaging from the movable plate when it is pushed to close, the lengths of the two arms of the push-pull component are set such that when the bent part of the push-pull component is blocked by the guide ear, the support rod is stuck in the slot.

[0019] This utility model provides a material hopper for construction sites. By setting a discharge port and a movable plate on the bottom plate of the hopper, when unloading is required, the movable plate is opened, and the material in the hopper is discharged from the discharge port under its own gravity. There is no need to lift the hopper or shovel out the material for unloading, which saves labor and improves the efficiency of unloading and transporting materials.

[0020] In addition, the structure of sliding rods, sliders, and load-bearing rods not only controls the opening and closing of the movable plate, but also the load-bearing rods run horizontally across the width of the movable plate and intercept it below the movable plate, providing a larger support surface. Furthermore, the load-bearing rods are supported by sliding rods, making the movable plate more load-bearing and capable of carrying a greater load. Attached Figure Description

[0021] In the attached diagram:

[0022] Figure 1 This is a 3D schematic diagram of a material hopper cart;

[0023] Figure 2 This is a side view of a material hopper truck.

[0024] Figure 3 A schematic diagram showing the movable plate of the material hopper cart in the open position;

[0025] Figure 4 This is a side sectional view of the material hopper car;

[0026] Figure 5 This is a schematic diagram of the bottom surface of the material hopper car.

[0027] The components represented by the various reference numerals in the diagram are:

[0028] 11. Vertical frame; 12. Horizontal frame; 13. Hand-push frame; 14. Guide ear; 21. Discharge port; 22. Movable plate; 221. Reinforcing strip; 222. Slot; 31. Slide rod; 32. Slider; 33. Support rod; 34. Push-pull component; 35. Wear-resistant pipe. Detailed Implementation

[0029] like Figures 1 to 5 As shown, this utility model embodiment provides a material transport hopper for construction sites, including a frame, a bucket, and two wheels. The two wheels are located on the left and right sides of the bucket and are mounted on the frame or the bucket. In this embodiment, in order to improve the overall structural strength and load-bearing capacity of the hopper, the two wheels are mounted on the frame and supported by the frame.

[0030] Specifically, the frame includes a left frame and a right frame with identical structures. Both the left and right frames include a vertical frame 11, a transverse frame 12 extending forward from the middle of the vertical frame 11, and a pusher frame 13 extending rearward from the upper end of the vertical frame 11. The wheels are mounted on the transverse frame 12. The cargo box is fixed to the transverse frame 12 and the vertical frame 11. Specifically, the vertical frame 11 is located at the rear end of the left and right sides of the cargo box, with its lower end protruding downward from the cargo box floor plate and preferably flush with the lowest point of the wheels, used to support the cargo box when parked. The transverse frame 12 is located at the lower part of the left and right side walls of the cargo box and is fixedly connected to the side walls, providing design space for the installation of the movable plate 22, which will be described later. The position of the transverse frame 12 should preferably allow sufficient unloading space under the cargo box.

[0031] The left and right frames can also be connected by crossbeams to form a whole, which improves the structural strength of the vehicle body and the support capacity of the truck bed. For example, as shown in the attached drawings of this application, the crossbeams of two vertical frames 11 are connected to the rear end of the bottom wall of the truck bed, and the crossbeams of two horizontal frames 12 are connected to the front end.

[0032] The bottom plate of the truck bed is provided with a discharge port 21, and a movable plate 22 is hinged to block the discharge port 21. The movable plate 22 can rotate up and down under the truck bed. Two parallel sliding rods 31 are provided on the frame, symmetrically arranged on both sides of the movable plate 22, and extending perpendicularly to the hinge axis of the movable plate 22. Each sliding rod 31 is slidably connected to a slider 32, and a load-bearing rod 33 connects the two sliders 32. The load-bearing rod 33 is located below the bottom plate of the truck bed and can rotate the movable plate 22 up and down as the sliders 32 slide, opening and closing the discharge port 21. Push-pull components 34 are also provided on the two sliders 32 to drive them to slide.

[0033] The left and right width of the discharge port 21 is preferably the same as the left and right width of the truck bed bottom plate. In some embodiments, the front and rear length of the discharge port 21 can be the same as the front and rear length of the truck bed bottom plate, that is, the entire bottom plate of the truck bed is opened as the discharge port 21 to facilitate unloading. In other embodiments, depending on the front and rear length of the truck bed and the space under the truck bed, only part of the bottom plate of the truck bed can be opened as the discharge port 21. As shown in the accompanying drawings of this application, the discharge port 21 is opened at the front of the bottom plate of the truck bed. The material on the rear of the bottom plate of the truck bed can be slightly lifted to allow the material to slide out of the discharge port 21, or the rear of the bottom plate of the truck bed can be set as an inclined surface so that the material slides out of the discharge port 21 under the action of gravity.

[0034] The rear side of the movable plate 22 is hinged to the rear side of the discharge port 21. The hinge shaft extends horizontally to the left and right. When the movable plate 22 is opened, it rotates from front to back, and the material is unloaded to the front of the bucket car. This setting makes it convenient to unload the material to the front of the bucket car. When the discharge space is full or the discharge is completed, the bucket car is pulled back to facilitate the removal of the bucket car and avoid interference between the material and the movable plate 22 when the bucket car is removed.

[0035] When the movable plate 22 blocks the discharge port 21, it is in a horizontal state. The slide bar 31 extends horizontally, and the support bar 33 extends horizontally along the direction perpendicular to the slide bar 31. This ensures that when the support bar 33 drives the movable plate 22 to block the discharge port 21, the direction of the force applied by the movable plate 22 to the support bar 33 and the direction of the supporting force of the support bar 33 to the movable plate 22 are both vertical. Therefore, without a locking mechanism, the slider 32 will not be pressed down by the movable plate 22 and slide, simplifying the bucket car structure. Of course, in some embodiments, a locking structure can also be provided to lock the position of the slider 32. For example, a slot 222 can be provided on the push-pull member 34, and a buckle can be rotatably connected to the vertical frame 11 at the position corresponding to the push-pull member 34. The position of the slider 32 is locked by the engagement of the buckle and the slot 222. The buckle and the slot 222 can adopt any existing structure that can engage, which will not be described in detail here.

[0036] like Figure 2 As shown, the front end of the horizontal frame 12 extends downwards with a connecting part. The sliding rod 31 is located below the horizontal frame 12, extending forward and backward. Its rear end is fixed to the vertical frame 11, and its front end is fixed to the horizontal frame 12, specifically to the connecting part at the front end of the horizontal frame 12. By supporting the sliding rod 31 through the horizontal frame 12 and the vertical frame 11, the supporting force of the load-bearing rod 33 on the movable plate 22 is increased, thereby increasing the load-bearing capacity of the movable plate 22.

[0037] The position of the slide bar 31 is preferably lower than the bottom plate of the truck bed. This is to ensure that the slider 32 is lower than the wheel axle position, avoiding the influence of the wheel installation position on the sliding of the slider 32. It also provides working space for the installation of the slide bar 31 and the slider 32, making the installation work more convenient.

[0038] Understandably, when the support rod 33 moves towards the hinge of the movable plate 22, the portion of the movable plate 22 away from the hinge loses its bottom support due to the movement of the support point, making it prone to bending and damage under the weight of the material. To avoid this problem, a gap is provided between the support rod 33 and the bottom plate of the truck bed. A reinforcing strip 221 protrudes from the end of the lower surface of the movable plate 22 away from the hinge axis. The reinforcing strip 221 is designed to block the discharge port 21 when the support rod 33 abuts against its lower surface. When the support rod 33 moves away from the reinforcing strip 221, the movable plate 22 will first rotate at an angle, causing its lower surface to abut against the support rod 33. This will apply an inclined force to the support rod 33, accelerating its movement towards the hinge of the movable plate 22 under the weight of the material, reducing the time the movable plate 22 bears the weight of the material, and lowering the probability of the movable plate 22 bending.

[0039] The main function of the reinforcing strip 221 is to compensate for the gap between the load-bearing rod 33 and the bottom plate of the truck bed. When the load-bearing rod 33 abuts against the lower surface of the reinforcing strip 221, it can make the movable plate 22 block the unloading port 21. At the same time, the reinforcing strip 221 can also enhance the strength of the movable plate 22 at the contact position with the load-bearing rod 33, and withstand greater pressure.

[0040] The reinforcing strip 221 extends in the same direction as the load-bearing rod 33, and its lower surface may also be provided with a groove 222 that engages with the load-bearing rod 33. The depth of the groove 222 is less than the radius of the load-bearing rod 33 to facilitate the entry and exit of the load-bearing rod 33 from the groove 222 and prevent it from getting stuck. The depth of the groove 222 is preferably 1 / 4 to 1 / 10 of the radius of the load-bearing rod 33. When the load-bearing rod 33 slides to the lower surface of the reinforcing strip 221, it engages with the groove 222, further preventing the load-bearing rod 33 from moving laterally and improving the locking ability of the load-bearing rod 33 to the movable plate 22.

[0041] In order to improve the service life of the load-bearing rod 33 and the movable plate 22, a wear-resistant tube 35 is fitted on the load-bearing rod 33. The wear-resistant tube 35 can rotate on the load-bearing rod 33, changing the sliding friction between the load-bearing rod 33 and the movable plate 22 into rolling friction, thereby reducing friction loss.

[0042] A buffer spring (not shown in the figure) can also be fitted on the slide bar 31, located behind the slider 32. When the movable plate 22 rotates downward to squeeze the support rod 33 to move backward, the slider 32 contacts the buffer spring, preventing the slider 32 from sliding backward too quickly and causing a large impact on the vertical frame 11.

[0043] To facilitate the unified sliding of the two sliders 32, the push-pull member 34 is designed as a horizontally placed U-shaped member with its two ends extending forward and connecting to the two sliders 32 respectively. The bent part protrudes backward from the rear end face of the truck bed. Guide ears 14 are provided on both vertical frames 11, and the two side arms of the push-pull member 34 slide in cooperation with the two guide ears 14 respectively.

[0044] In order to prevent the slider 32 from displacing excessively and the support rod 33 from disengaging from the movable plate 22 when pushing the movable plate 22 to close, the lengths of the two arms of the push-pull member 34 are set such that when the bent part of the push-pull member 34 is blocked by the guide ear 14, the support rod 33 is just stuck in the slot 222.

[0045] The material handling hopper provided in this application has a discharge port 21 and a movable plate 22 set on the bottom plate of the hopper. When unloading is required, the movable plate 22 is opened, and the material in the hopper is discharged from the discharge port 21 under its own gravity. There is no need to unload by raising the hopper or shoveling it out, which saves labor and improves the efficiency of unloading and transporting materials.

[0046] In addition, the structure of sliding rod 31, slider 32 and load-bearing rod 33 not only controls the opening and closing of movable plate 22, but also the load-bearing rod 33 runs horizontally across the width of movable plate 22 and is intercepted below movable plate 22, providing a larger support surface. Furthermore, the load-bearing rod 33 is supported by sliding rod 31, making the load-bearing capacity of movable plate 22 stronger and the load capacity greater.

[0047] In addition, by positioning the slide bar 31 and the push-pull component 34 in a low position, the user can operate the push-pull component 34 with their foot, which facilitates the user to quickly open and close the movable plate 22.

Claims

1. A material transport hopper for construction sites, comprising a frame, a bucket, and two wheels, wherein the two wheels are respectively located on the left and right sides of the bucket and are mounted on the frame or the bucket, characterized in that, The bottom plate of the truck bed is provided with a discharge port (21) and a movable plate (22) that blocks the discharge port (21) is hinged thereto. The movable plate (22) can rotate up and down under the truck bed. The frame is provided with two parallel sliding rods (31). The two sliding rods (31) are symmetrically arranged on both sides of the movable plate (22), and their extension direction is perpendicular to the hinge axis of the movable plate (22). Each sliding rod (31) is slidably connected to a slider (32). A load-bearing rod (33) is connected between the two sliders (32). The load-bearing rod (33) is located below the bottom plate of the truck bed and can drive the movable plate (22) to rotate up and down as the slider (32) slides, opening and closing the unloading port (21). The two sliders (32) are also provided with push-pull components (34).

2. A material transport hopper for construction sites as described in claim 1, characterized in that, When the movable plate (22) blocks the unloading port (21), it is in a horizontal state, the slide bar (31) extends horizontally, and the load-bearing bar (33) extends horizontally in the direction perpendicular to the slide bar (31).

3. A material transport hopper for construction sites as described in claim 2, characterized in that, The rear side of the movable plate (22) is hinged to the rear side of the discharge port (21), and the hinge shaft extends horizontally to the left and right.

4. A material transport hopper for construction sites as described in claim 3, characterized in that, The frame includes a left frame and a right frame with the same structure. Both the left and right frames include a vertical frame (11), a horizontal frame (12) extending forward from the middle of the vertical frame (11), and a pusher frame (13) extending backward from the upper end of the vertical frame (11). The wheels are mounted on the horizontal frame (12). The slide bar (31) is located below the horizontal frame (12), with its rear end fixed to the vertical frame (11) and its front end fixed to the horizontal frame (12).

5. A material transport hopper for construction sites as described in claim 4, characterized in that, The slide bar (31) is located below the bottom plate of the truck bed.

6. A material transport hopper for construction sites as described in claim 5, characterized in that, There is a gap between the support rod (33) and the bottom plate of the truck bed. A reinforcing strip (221) protrudes from the end of the lower plate surface of the movable plate (22) away from the hinge axis. The reinforcing strip (221) is configured to block the unloading port (21) when the support rod (33) abuts against its lower surface.

7. A material transport hopper for construction sites as described in claim 6, characterized in that, The reinforcing strip (221) extends in the same direction as the load-bearing rod (33), and its lower surface is provided with a groove (222) that engages with the load-bearing rod (33). The depth of the groove (222) is less than the radius of the load-bearing rod (33).

8. A material transport hopper for construction sites as described in claim 1, characterized in that, The support rod (33) is fitted with a wear-resistant tube (35), which is able to rotate on the support rod (33).

9. A material transport hopper for construction sites as described in claim 7, characterized in that, The push-pull component (34) is a horizontally placed U-shaped component with its two ends extending forward and connected to two sliders (32) respectively. The bent part protrudes backward from the rear end face of the truck bed. Guide ears (14) are provided on both vertical frames (11). The two side arms of the push-pull component (34) are slidably engaged with the two guide ears (14) respectively.

10. A material transport hopper for construction sites as described in claim 9, characterized in that, The lengths of the two arms of the push-pull member (34) are set such that when the bent part of the push-pull member (34) is blocked by the guide ear (14), the load-bearing rod (33) is stuck in the slot (222).

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