Anti-overflow device for unloading chute of concrete mixing truck

Abstract

The utility model relates to the technical field of mixing equipment, and particularly discloses an anti-overflow device for a discharging chute of a concrete mixing truck, which comprises the discharging chute and an extension slot, the extension slot is rotatably mounted at the lower part of the discharging chute through a pin shaft component, an upper pressing plate is rotatably mounted on the extension slot, and a lower pressing plate is rotatably mounted on the discharging chute. The upper pressing plate and the lower pressing plate are jointly connected with a rubber plate, and when the lengthening groove is turned over to the upper portion of the discharging chute, the rubber plate is unfolded to block the discharging chute. According to the anti-overflow device for the unloading chute of the concrete mixing truck, overflow generated in the running process of the concrete mixing truck is collected in the unloading chute, the phenomena that a running way is polluted by scattered concrete and potential traffic safety hazards are caused by the scattered concrete are avoided, meanwhile, the working intensity of field workers is improved, and the working efficiency is improved. And installation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mixing equipment, in particular to an anti-overflow device for a discharge chute of a concrete mixing truck. Background Art

[0002] Concrete mixer trucks are essential for transporting concrete in infrastructure construction. To save transportation costs, concrete mixer trucks are loaded according to the designed mixing capacity. When a fully loaded concrete mixer truck starts driving quickly or travels on a steep slope, the concrete will sway backward, causing a small amount of concrete to spill from the mixing drum. This spills onto the road, polluting it and creating both environmental risks and safety hazards for other vehicles. Traditional mixer trucks have a leak-proof hopper at the rear of the concrete mixer truck's discharge chute. This causes the discharge chute and extension chute to be separated when not in use and connected when in use, making unloading operations inconvenient.

[0003] In order to solve the problem of spillage caused by concrete mixer trucks during transportation, which pollutes the road surface and poses a safety hazard, a discharge chute anti-spill device is used to collect the spillage generated during transportation in the discharge chute, ensuring that it does not spill during transportation and reducing the workload of on-site workers. Therefore, it is urgent to design a concrete mixer truck discharge chute anti-spill device to solve the problem that the leakage-proof hopper at the tail of the discharge chute of the existing concrete mixer truck is inconvenient to disassemble and install, and there is a risk of leakage. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the present invention is to provide a device for preventing overflow of a discharge chute of a concrete mixer truck.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a device for preventing overflow of the discharge chute of a concrete mixer truck, comprising a discharge chute and an extension chute, the extension chute being rotatably mounted on the lower part of the discharge chute through a pin shaft assembly, an upper pressure plate being rotatably mounted on the extension chute, and a lower pressure plate being rotatably mounted on the discharge chute, a rubber plate being connected to the upper and lower pressure plates, and when the extension chute is flipped to the upper part of the discharge chute, the rubber plate is unfolded to block the discharge chute.

[0006] Specifically, the discharge chute is installed on a rotating vertical support frame, and the rotating vertical support frame is installed on the rear support of the mixer truck.

[0007] Specifically, the pin shaft assembly includes two groups of pin shafts, and the two groups of pin shafts are rotatably installed at the connection points of the vertical plates on both sides of the discharge chute and the extension chute.

[0008] Specifically, a lower pressure plate rotating seat is fixedly installed at the bottom of the discharge chute, and both the lower pressure plate and the lower pressure plate rotating seat adopt "L"-shaped plates. The lower pressure plate and the lower pressure plate rotating seat are rotatably connected through a lower pin shaft, and a rubber plate is connected to the lower pressure plate.

[0009] Specifically, an upper pressing plate rotating seat is fixedly installed at the bottom of the extension groove, the upper pressing plate adopts an "L"-shaped plate, the upper pressing plate and the upper pressing plate rotating seat are rotatably connected through an upper pin shaft, and a rubber plate is connected to the upper pressing plate.

[0010] Specifically, the rubber plate is made of foldable soft rubber material.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a device for preventing overflow of the unloading chute of a concrete mixer truck, which can collect the overflow generated by the concrete mixer truck during driving in the unloading chute, thereby avoiding the phenomenon of spillage and pollution of the driving road and traffic safety hazards caused by spilled concrete, and at the same time improves the work intensity of on-site workers and reduces installation.

[0013] The utility model discloses a device for preventing overflow of the discharge chute of a concrete mixer truck. When the mixer truck is driving, the extension chute is turned over around the connecting pin to the top of the discharge chute, and the rubber plate in the device for preventing overflow is unfolded to form a semi-sealed cavity between the discharge chute and the extension chute. Overflow generated during driving can be collected in the discharge chute. When the mixer truck arrives at the construction site, the extension chute is turned over around the pin and is in working state, so that the length of the discharge chute is lengthened to facilitate unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of the concrete mixer truck's unloading chute anti-overflow device with the rubber plate in the expanded and sealed state.

[0015] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0016] Figure 3 This is a structural diagram of the concrete mixer truck's unloading chute overflow prevention device with the rubber plate folded during unloading.

[0017] Figure 4 yes Figure 3 Enlarged view of point B in the middle.

[0018] In the figure: 1-discharging chute; 2-rotating vertical support frame; 3-rear support of mixer truck; 4-extending chute; 5-rubber plate; 6-upper pressure plate; 7-lower pressure plate; 8-upper pressure plate rotating seat; 9-lower pressure plate rotating seat; 10-upper pin; 11-lower pin; 12-pin assembly. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely further describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] like Figures 1-4 As shown, a device for preventing overflow of the unloading chute of a concrete mixer truck includes a unloading chute 1, a rotating vertical support frame 2, a rear support frame 3 of the mixer truck, an extension trough 4, a rubber plate 5, an upper pressure plate 6, a lower pressure plate 7, an upper pressure plate rotating seat 8, a lower pressure plate rotating seat 9, an upper pin 10, a lower pin 11 and a pin assembly 12. The unloading chute 1 is installed on the rotating vertical support frame 2, and the rotating vertical support frame 3 is installed on the rear support 4 of the mixer truck.

[0021] The extension trough 4 is rotatably mounted at the lower discharge port of the discharge chute 1 through a pin assembly 12. The pin assembly 12 includes two sets of pins, which are rotatably mounted at the connection points of the vertical plates on both sides of the discharge chute 1 and the extension trough 4.

[0022] An upper pressure plate 6 is pivotally mounted on the extension chute 4, while a lower pressure plate 7 is pivotally mounted on the discharge chute 1. A rubber plate 5, made of foldable, soft rubber, is attached to both the upper and lower pressure plates 6 and 7. When the extension chute 4 is flipped over to the top of the discharge chute 1, the rubber plate 5 unfolds to seal the lower discharge port of the discharge chute 1.

[0023] The lower pressure plate rotating seat 9 is fixedly installed at the bottom of the discharge chute 1. The lower pressure plate 7 and the lower pressure plate rotating seat 9 are both "L"-shaped plates. The lower pressure plate 7 and the lower pressure plate rotating seat 9 are rotatably connected through the lower pin shaft 11, and the rubber plate 5 is fixedly connected to the lower pressure plate 7 by bolts.

[0024] The upper pressing plate rotating seat 8 is fixedly installed at the bottom of the extension groove 4. The upper pressing plate 6 adopts an "L"-shaped plate. The upper pressing plate 6 and the upper pressing plate rotating seat 8 are rotatably connected through an upper pin shaft 10. The rubber plate 5 is fixedly connected to the upper pressing plate 6 by bolts.

[0025] The discharge chute 1 of the present invention is mounted on a rotating vertical support frame 2, which is mounted on the rear support 3 of a concrete mixer truck. During construction, the discharge chute 1 can be adjusted and positioned by rotating the vertical support frame 2. An extension chute 4 is connected to the discharge chute 1 via a pivot pin and is reversible. A foldable rubber sheet 5 is connected to the discharge chute 1 and the extension chute 4 via an upper pressure plate 6 and a lower pressure plate 7, respectively. When the concrete mixer truck is in motion, the rotating vertical support frame 2 is fixed to the rear support 3 to prevent the discharge chute 1 from rotating. The extension chute 4 pivots around the pivot pin and flips onto the discharge chute 1. The foldable rubber sheet 5 unfolds, forming a semi-sealed cavity between the discharge chute 1 and the extension chute 4. Any spillage generated during operation is collected within the discharge chute 1. Upon arrival at the construction site, the extension chute 4 pivots around the pivot pin to extend the discharge chute 1. Simultaneously, the foldable rubber sheet 5 folds, ensuring a smooth discharge process.

[0026] The utility model can collect the overflow generated during the driving of the concrete mixer truck into the discharge chute 1, thereby preventing the overflow from spilling onto the road surface, effectively protecting the cleanliness of the road surface and road safety, and at the same time improving the work intensity of on-site workers and reducing installation.

[0027] The present invention is not limited to the above-mentioned embodiments. Anyone should be aware of the structural changes made under the inspiration of the present invention. Any technical solution that is the same or similar to the present invention falls within the scope of protection of the present invention.

[0028] The technology, shape and structure that are not described in detail in this utility model are all well-known technologies.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for preventing overflow of a concrete mixer truck unloading chute, characterized in that: It includes a discharge chute and an extension chute. The extension chute is rotatably installed at the lower part of the discharge chute through a pin shaft assembly. An upper pressure plate is rotatably installed on the extension chute, and a lower pressure plate is rotatably installed on the discharge chute. A rubber plate is connected to the upper and lower pressure plates. When the extension chute is flipped to the upper part of the discharge chute, the rubber plate is expanded to seal the discharge chute.

2. The anti-overflow device for the discharge chute of a concrete mixer truck according to claim 1, characterized in that: The discharge chute is installed on a rotating vertical support frame, and the rotating vertical support frame is installed on the rear support of the mixer truck.

3. The anti-overflow device for the discharge chute of a concrete mixer truck according to claim 1, characterized in that: The pin shaft assembly comprises two groups of pin shafts, which are rotatably mounted at the connection points of the vertical plates on both sides of the discharge chute and the extension chute respectively.

4. The anti-overflow device for the discharge chute of a concrete mixer truck according to claim 1, characterized in that: The bottom of the discharge chute is fixedly installed with a lower pressure plate rotating seat, and both the lower pressure plate and the lower pressure plate rotating seat adopt "L"-shaped plates. The lower pressure plate and the lower pressure plate rotating seat are rotatably connected through a lower pin shaft, and a rubber plate is connected to the lower pressure plate.

5. The anti-overflow device for the discharge chute of a concrete mixer truck according to claim 1, characterized in that: The upper pressing plate rotating seat is fixedly installed at the bottom of the extension groove. The upper pressing plate adopts an "L"-shaped plate. The upper pressing plate and the upper pressing plate rotating seat are rotatably connected through an upper pin shaft. The upper pressing plate is connected to a rubber plate.

6. The anti-overflow device for the discharge chute of a concrete mixer truck according to claim 1, characterized in that: The rubber plate is made of foldable soft rubber material.

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