Anti-spill device for discharge chute of concrete mixer

By designing splash guards and extension devices on concrete mixer trucks, the problems of waste and position adjustment during concrete dumping are solved, achieving an efficient unloading process.

CN223849610UActive Publication Date: 2026-01-30TANGSHAN YATE SPECIAL AUTOMOBILE
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Patent Information

Application Number
CN202520428573.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-30
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

When concrete mixer trucks dump concrete, the angle and height of the unloading chute vary, leading to concrete spillage and waste. Furthermore, the unloading chute is not long enough, requiring repeated adjustments to the vehicle's position.

Method used

A spill prevention device was designed, including a splash guard and an extension device. The splash guard is raised and the unloading chute is extended by a hydraulic rod and a hinge mechanism to prevent concrete spillage and adjust the distance.

Benefits of technology

It effectively prevents concrete spillage and waste, avoids the hassle of repeatedly moving vehicles due to insufficient unloading chute length, and improves unloading efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anti-spilling device for a discharge chute of a concrete mixer truck, which relates to the technical field of mixer trucks, and comprises a discharge chute, a U-shaped fixing block is mounted in the middle of one end of the bottom of the discharge chute, a support plate is movably connected in the U-shaped fixing block, a connecting block is mounted at one end of the support plate, and the other end of the support plate is movably connected with the U-shaped fixing block. A first clamping plate is installed on one side of the connecting block, a hydraulic rod is movably connected into the first clamping plate, anti-sputtering devices are arranged in the two first fixing grooves, and an extension device is arranged at the other end of the discharging groove. According to the splash-proof device, a handle is lifted to drive a moving pipe and an arc-shaped limiting plate to move along the interior of an arc-shaped limiting groove, so that a clamping column moves out of a fixing hole, a connecting column moves along the interior of a second limiting groove, a splash-proof plate is driven to move along the interiors of a limiting block and a first limiting groove, and the splash-proof plate is lifted; and the movable block is driven by the movable check block to move along the interior of the second fixing groove.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mixing truck, especially to a device for preventing concrete from spilling in the unloading chute of a concrete mixing truck. BACKGROUND

[0002] The concrete mixing truck is a special truck for transporting building concrete; due to its shape, it is also commonly known as a snail truck. A cylindrical mixing drum is installed on the truck to carry mixed concrete. During transportation, the mixing drum is kept rotating to ensure that the carried concrete does not solidify. The concrete mixing truck is widely used in modern construction projects.

[0003] However, in the prior art, when the concrete mixing truck is pouring concrete, the concrete is spilled outside due to different angles and heights of the poured concrete in the unloading chute, resulting in waste of part of the concrete. In addition, the length of part of the unloading chute is short, and the truck needs to be repeatedly moved for distance adjustment when pouring concrete. SUMMARY

[0004] The utility model discloses a device for preventing concrete from spilling in the unloading chute of a concrete mixing truck.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a device for preventing concrete from spilling in the unloading chute of a concrete mixing truck, comprising: an unloading chute, a U-shaped fixing block is installed in the middle of one end of the bottom of the unloading chute, a branch plate is movably connected inside the U-shaped fixing block, a connecting block is installed at one end of the branch plate, a first clamping plate is installed on one side of the connecting block, a hydraulic rod is movably connected inside the first clamping plate, a second clamping plate is movably connected to the output end of the hydraulic rod, a first fixing groove is formed at one end of both sides of the unloading chute, a splash-proof device is arranged inside both first fixing grooves, and an extension device is arranged at the other end of the unloading chute.

[0006] Further, two second limiting grooves are formed at both sides of one end of the bottom of the unloading chute, a fixing hole is formed at both ends of the bottom of the unloading chute on both sides of the four second limiting grooves, a clamping hole is formed at the other end of the middle of the bottom of the unloading chute, a second fixing groove is formed at both sides of the other end of the bottom of the unloading chute, two moving blocks are movably arranged inside both second fixing grooves, the four moving blocks are evenly divided into two groups, a stop block is installed at one end of each group of moving blocks, three first limiting grooves are formed at both sides inside each first fixing groove, and one end of the second clamping plate is installed in the middle of the bottom of the unloading chute.

[0007] Further, the anti-sputtering device comprises an anti-sputtering plate, three limiting blocks are installed on both sides of the anti-sputtering plate, two connecting columns are installed on one side of the anti-sputtering plate, arc-shaped limiting grooves are formed in the surfaces of the two connecting columns, movable pipes are movably arranged on the surfaces of the two connecting columns, handles are installed on one end of the two movable pipes, springs are installed on one end of the two connecting columns, connecting plates are installed on one end of the two movable pipes, clamping columns are installed on both ends of one side of the two connecting plates, and arc-shaped limiting plates are installed on both sides of one end in the two movable pipes.

[0008] Further, the surface of the anti-sputtering plate is movably arranged in the interior of one of the first fixing grooves, the surfaces of the plurality of limiting blocks are movably arranged in the interiors of the plurality of first limiting grooves, and the surfaces of the two connecting columns are movably arranged in the interiors of the two second limiting grooves on the same side.

[0009] Further, one end of the two springs is installed in one end in the two movable pipes, the surfaces of the four arc-shaped limiting plates are movably arranged in the interiors of the four arc-shaped limiting grooves, and the surfaces of the four clamping columns are movably arranged in the interiors of the four fixing holes.

[0010] Further, the extension device comprises an elongated chute, an arc-shaped handle is installed on one side of the elongated chute, a hinge is installed in the middle of one end of the bottom of the elongated chute, a support column is installed in the middle of the bottom of the elongated chute, and a clamping ball is installed at the bottom end of the support column.

[0011] Further, one end of the hinge is installed in the middle of the other end of the bottom of the discharge chute, and one end of the elongated chute is clamped with the other end of the discharge chute.

[0012] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0013] 1、the utility model discloses a handle is lifted and drives the movable pipe and arc-shaped limiting plate to move along the interior of arc-shaped limiting groove, makes the clamping column move out of the interior of fixing hole, and makes the connecting column move along the interior of second limiting groove, drives the anti-sputtering plate to move along the interior of limiting block and first limiting groove, lifts the anti-sputtering plate, avoids the phenomenon that part concrete is wasted when pouring concrete because of the angle and height difference of the concrete in the discharge chute.

[0014] 2. The utility model discloses, through the mobile block drive the mobile block along the inside movement of second fixed groove, hold the arc handle drive the lengthening material groove along the direction of hinge rotation, make the surface of ball is aligned with the inside of card hole, and the ball and card hole are clamped and fixed, when the lengthening of unloading groove is according to the above opposite step operation, also avoid the length of part unloading groove shorter, and when pouring concrete leads to the situation that need repeatedly move the mixer truck and adjust the distance. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove of the utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove;

[0016] Figure 2 The utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove of the utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove;

[0017] Figure 3 The utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove of the utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove;

[0018] Figure 4 The utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove of the utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove;

[0019] Figure 5 The utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove of the utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove;

[0020] Figure 6 The utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove of the utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove;

[0021] Figure 7 The utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove of the utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove;

[0022] Figure 8 The utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove of the utility model provides a kind of for the stereoscopic structure schematic diagram of anti-spraying device of concrete mixer truck unloading groove.

[0023] Legend:

[0024] 1, discharge chute; 101, U-shaped fixed block; 102, support plate; 103, connecting block; 104, first clamping plate; 105, hydraulic rod; 106, second clamping plate; 107, first fixed groove; 108, first limiting groove; 109, second limiting groove; 110, fixed hole; 111, clamping hole; 112, second fixed groove; 113, moving block; 114, stop block; 2, splash-proof device; 201, splash-proof plate; 202, limiting block; 203, connecting column; 204, arc-shaped limiting groove; 205, moving pipe; 206, handle; 207, spring; 208, connecting plate; 209, arc-shaped limiting plate; 210, clamping column; 3, extension device; 301, lengthened material chute; 302, arc-shaped handle; 303, support column; 304, clamping ball; 305, hinge. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-8 The present application provides a technical solution: a splash-proof device for a discharge chute of a concrete mixer truck, comprising: a discharge chute 1, a U-shaped fixed block 101 is installed in the middle of one end of the bottom of the discharge chute 1, a support plate 102 is movably connected inside the U-shaped fixed block 101, a connecting block 103 is installed at one end of the support plate 102, a first clamping plate 104 is installed on one side of the connecting block 103, a hydraulic rod 105 is movably connected inside the first clamping plate 104, a second clamping plate 106 is movably connected to the output end of the hydraulic rod 105, a first fixed groove 107 is formed at one end of each side of the discharge chute 1, a splash-proof device 2 is arranged inside each of the two first fixed grooves 107, and an extension device 3 is arranged at the other end of the discharge chute 1.

[0027] Specifically: the splash-proof device 2 prevents concrete from being splashed and wasted, and the extension device 3 extends the discharge chute 1.

[0028] In an embodiment, two second limiting grooves 109 are arranged on both sides of one end of the bottom of the discharging groove 1, fixing holes 110 are arranged on both ends of the bottom of the discharging groove 1 located on both sides of the four second limiting grooves 109, a clamping hole 111 is arranged on the other end of the middle of the bottom of the discharging groove 1, second fixing grooves 112 are arranged on both sides of the other end of the bottom of the discharging groove 1, two moving blocks 113 are movably arranged in the two second fixing grooves 112, the four moving blocks 113 are evenly divided into two groups, the two groups of moving blocks 113 are provided with stop blocks 114 at one end, and three first limiting grooves 108 are arranged on both sides in the two first fixing grooves 107. One end of the second clamping plate 106 is arranged in the middle of the bottom of the discharging groove 1.

[0029] Specifically, as shown in Figures 1-3 : The second limiting grooves 109 and the fixing holes 110 limit the connecting columns 203 and the clamping columns 210, the stop blocks 114 limit and fix the lengthened chute 301, and the limiting and fixing effects are achieved.

[0030] In an embodiment, the splash-proof device 2 comprises a splash-proof plate 201, three limiting blocks 202 are arranged on both sides of the splash-proof plate 201, two connecting columns 203 are arranged at one end of one side of the splash-proof plate 201, arc-shaped limiting grooves 204 are arranged on the surfaces of the two connecting columns 203, movable pipes 205 are movably arranged on the surfaces of the two connecting columns 203, handles 206 are arranged at one end of the two movable pipes 205, springs 207 are arranged at one end of the two connecting columns 203, connecting plates 208 are arranged at one end of the two movable pipes 205, clamping columns 210 are arranged at both ends of one side of the two connecting plates 208, and arc-shaped limiting plates 209 are arranged on both sides of one end in the two movable pipes 205.

[0031] Specifically, as shown in Figures 4-6 : The elevated splash-proof plate 201 blocks the splashed concrete, and the blocking effect is achieved.

[0032] In an embodiment, the surface of the splash-proof plate 201 is movably arranged in the interior of one of the first fixing grooves 107, the surfaces of the plurality of limiting blocks 202 are movably arranged in the interiors of the plurality of first limiting grooves 108, and the surfaces of the two connecting columns 203 are movably arranged in the interiors of the two second limiting grooves 109 on the same side.

[0033] Specifically, as shown in Figures 4-6 : The first fixing grooves 107, the first limiting grooves 108, and the second limiting grooves 109 limit the splash-proof plate 201, the limiting blocks 202, and the connecting columns 203, and the limiting effect is achieved.

[0034] In one embodiment, one end of the two springs 207 is mounted inside one end of the two moving pipes 205, the surface of the four arc-shaped limiting plates 209 is movably embedded inside the four arc-shaped limiting grooves 204, and the surface of the four clamping columns 210 is movably embedded inside the four fixed holes 110.

[0035] Specifically, as shown in Figures 4-6 : limiting and fixing the arc-shaped limiting plate 209 through the moving pipe 205 and the arc-shaped limiting groove 204, which plays a role in fixing and limiting.

[0036] In one embodiment, the extension device 3 comprises an extension trough 301, an arc-shaped handle 302 is mounted on one side of the extension trough 301, a hinge 305 is mounted in the middle of one end of the bottom of the extension trough 301, a support column 303 is mounted in the middle of the bottom of the extension trough 301, and a clamping ball 304 is mounted at the bottom end of the support column 303.

[0037] Specifically, as shown in Figure 2 and 3 : The clamping ball 304 is made of soft plastic material, which can extend the discharge trough 1 by rotating the extension trough 301, playing a role in adjusting the length.

[0038] In one embodiment, one end of the hinge 305 is mounted in the middle of the other end of the bottom of the discharge trough 1, and one end of the extension trough 301 is clamped with the other end of the discharge trough 1.

[0039] Specifically, as shown in Figure 2 and 3 : The hinge 305 is fixed by the discharge trough 1, which plays a role in fixing.

[0040] Working principle: The hydraulic rod 105 is electrically connected with the power supply device inside the concrete mixer truck, the top of one end of the discharge trough 1 is butted with the discharge port at the tail of the concrete mixer truck, and the connecting block 103 is installed at the bottom end of the tail of the concrete mixer truck through the clamping fixing structure at the tail, when the concrete in the concrete mixer truck is poured into one end inside the discharge trough 1, it will splash outside the discharge trough 1 due to the pouring of the concrete, by holding the handle 206 to drive the moving pipe 205 and the arc-shaped limiting plate 209 to move along the inside of the arc-shaped limiting groove 204, so that the clamping column 210 moves out of the inside of the fixed hole 110, and the connecting column 203 moves along the inside of the second limiting groove 109, driving the splash-proof plate 201 to move along the inside of the limiting block 202 and the first limiting groove 108, lifting the splash-proof plate 201 to the other end of the fixed hole 110 to clamp the clamping column 210, avoiding the phenomenon that part of the concrete is wasted due to the different angles and heights of the concrete inside the discharge trough 1 when pouring the concrete, resulting in the pouring of the concrete outside;

[0041] And by moving the block 114 with the mobile block 113 along the inside of the second fixed groove 112, holding the arc-shaped handle 302 with the lengthening chute 301 rotates along the direction of the hinge 305, so that the surface of the ball 304 aligns with the inside of the card hole 111, the ball 304 and the card hole 111 are clamped and fixed, and when the lengthening chute 1 is to be extended, the above reverse steps are operated, which avoids the situation that the length of part of the discharge chute 1 is shorter, and the distance needs to be adjusted repeatedly when pouring concrete.

[0042] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made in accordance with the technical essence of the present application without departing from the technical scheme content of the present application still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A spill prevention device for a concrete truck's discharge chute, comprising: Include: The bottom of the discharge chute (1) is provided with a U-shaped fixed block (101) in the middle of one end, the inside of the U-shaped fixed block (101) is movably connected with a support plate (102), one end of the support plate (102) is provided with a connecting block (103), one side of the connecting block (103) is provided with a first clamping plate (104), the inside of the first clamping plate (104) is movably connected with a hydraulic rod (105), the output end of the hydraulic rod (105) is movably connected with a second clamping plate (106), one end of the discharge chute (1) is provided with a first fixed groove (107), the inside of the two first fixed grooves (107) is provided with a splash-proof device (2), the other end of the discharge chute (1) is provided with an extension device (3).

2. A spillage prevention device for a discharge chute of a concrete mixer truck according to claim 1, characterized in that: The bottom of the discharge chute (1) is provided with two second limiting grooves (109) on both sides of one end, the bottom of the discharge chute (1) is provided with a fixed hole (110) on both ends of the two sides of the four second limiting grooves (109), the other end of the middle of the bottom of the discharge chute (1) is provided with a clamping hole (111), the other end of the bottom of the discharge chute (1) is provided with a second fixed groove (112) on both sides, two movable blocks (113) are movably embedded in the inside of the two second fixed grooves (112), the four movable blocks (113) are evenly divided into two groups, one end of the two groups of movable blocks (113) is provided with a stop block (114), three first limiting grooves (108) are formed in the inside of the two first fixed grooves (107) on both sides, one end of the second clamping plate (106) is mounted on the middle of the bottom of the discharge chute (1).

3. A spill prevention device for a concrete truck's discharge chute as set forth in claim 1, wherein: The splash-proof device (2) includes a splash-proof plate (201), three limiting blocks (202) are mounted on both sides of the splash-proof plate (201), two connecting columns (203) are mounted on one end of one side of the splash-proof plate (201), arc-shaped limiting grooves (204) are formed in the surfaces of the two connecting columns (203), movable pipes (205) are movably sleeved on the surfaces of the two connecting columns (203), handles (206) are mounted on one end of the two movable pipes (205), springs (207) are mounted on one end of the two connecting columns (203), connecting plates (208) are mounted on one end of the two movable pipes (205), clamping columns (210) are mounted on both ends of one side of the two connecting plates (208), arc-shaped limiting plates (209) are mounted on both sides of one end of the two movable pipes (205).

4. A spillage prevention device for a discharge chute of a concrete mixer truck according to claim 3, wherein: The surface of the splash-proof plate (201) is movably embedded in the inside of one of the first fixed grooves (107), the surfaces of the plurality of limiting blocks (202) are movably embedded in the inside of the plurality of first limiting grooves (108), and the surfaces of the two connecting columns (203) are movably embedded in the inside of the two second limiting grooves (109) on the same side.

5. A spill resistant device for a concrete truck's discharge chute according to claim 3, wherein: One end of two spring (207) is installed inside one end of two moving pipe (205), the surface of four arc limit board (209) is movably embedded in the inside of four arc limit slot (204), the surface of four card column (210) is movably embedded in the inside of four fixed hole (110).

6. A spill resistant device for a concrete truck's discharge chute as set forth in claim 1, wherein: The extension device (3) comprises a lengthening chute (301), one side of the lengthening chute (301) is provided with an arc-shaped handle (302), a hinge (305) is arranged at the middle of one end of the bottom of the lengthening chute (301), a support column (303) is arranged at the middle of the bottom of the lengthening chute (301), and a clamping ball (304) is arranged at the bottom end of the support column (303).

7. A spill resistant device for a concrete truck's discharge chute according to claim 6, wherein: One end of the hinge (305) is arranged at the middle of the other end of the bottom of the discharging chute (1), and one end of the lengthening chute (301) is clamped with the other end of the discharging chute (1).