Concrete dumper for long-distance transportation of low-slump precooled concrete

Abstract

The invention discloses a concrete dump truck for long-distance transportation of low-slump precooled concrete, and relates to the field of concrete dump trucks, the concrete dump truck comprises a truck body, a stirring dump tank and a supporting seat, the stirring dump tank is arranged above the truck body, and the supporting seat is connected to the outer side of the stirring dump tank to provide support for the stirring dump tank; the stirring self-discharging tank is driven to rotate, a discharging plate is arranged below an opening in the right side of the stirring self-discharging tank, a movable disc is arranged at the opening in the right side of the stirring self-discharging tank, and a movement control mechanism is connected to the left side of the movable disc and controls movement of the movable disc. According to the concrete dumper for long-distance transportation of the low-slump pre-cooled concrete, an opening in the end of the stirring and self-discharging tank can be shielded through the arrangement of the movable disc, so that volatilization of water in the stirring and self-discharging tank is reduced, continuous reduction of the slump of the stirring and self-discharging tank is avoided, and long-distance transportation of the concrete is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of concrete dump trucks, in particular to a concrete dump truck used for long-distance transportation of low-slump precooled concrete. Background Art

[0002] Concrete is a common material in engineering construction. When used, it is usually transported to the construction site by dump trucks or mixer trucks after mixing in the factory. To ensure the normal use of the concrete in the future, the dump truck will continuously stir the concrete while transporting it.

[0003] When transporting concrete, the current dump trucks or concrete mixer trucks still have some shortcomings in terms of the unloading speed of concrete and the automatic discharging of concrete. In order to overcome the above problems, prior art 1 (publication number CN115534127B, a Chinese patent published on April 11, 2023) is a concrete mixer truck, including a cab and a chassis, and also including a base, a mixing drum, a support mechanism, a feeding mechanism and a unloading mechanism. A rotating assembly is installed in the chassis, and the output shaft of the rotating assembly extends from the chassis and is fixedly connected to the bottom of the base. The supporting mechanism includes a fixed frame and a supporting frame. The feeding mechanism includes a connecting seat, a feeding swing arm and a feeding cylinder. The unloading mechanism includes a connecting bracket, a unloading hopper and a blanking frame, and a material blocking assembly is arranged in the blanking frame. The invention can align the material port of the mixing drum to different positions without moving the mixer truck, thus avoiding the frequent movement of the mixer truck, and realizes automatic loading through the feeding mechanism, greatly reducing the labor intensity of manual labor. At the same time, the material discharge speed is controlled through the material blocking component, which can effectively prevent the concrete from falling and splashing.

[0004] Prior art 2 (publication number CN110355884A, Chinese patent published on October 22, 2019) An automatic discharging concrete transport vehicle, through the high-pressure device provided, has strong cleaning ability and strong impact force, and can clean the hard-to-clean places inside the transport vehicle when cleaning the inside of the transport vehicle, thereby improving the practicality of the cleaning device of the concrete transport vehicle. The transport vehicle runs on a flat track, which greatly reduces the deformation of the pipe caused by ground bumps; the sensor is used to measure the position of the transport vehicle in real time, so that accurate positioning can be achieved, and the smoothness of its acceleration and deceleration can be controlled to ensure the stability of the transport vehicle during its travel and improve the quality of the product; at the same time, one operator of the transport vehicle can be saved, saving labor, shortening the pipe transportation time, and improving the production efficiency of the entire workshop;

[0005] Although the existing technology can solve some of the current problems of dump trucks, when dump trucks transport low-slump concrete and concrete for long-distance transportation, the concrete slump is low and the concrete fluidity is poor. Due to its long transportation time, the moisture in the concrete continues to evaporate due to the influence of the external temperature during transportation, and water cannot be added directly. The slump of the concrete continues to decrease, and the mixing difficulty increases, affecting the normal use of the subsequent concrete. In addition, the open end of the dump truck will continue to cause the moisture in the concrete in the vehicle to continue to diverge, which is not conducive to the subsequent use of the concrete. Summary of the invention

[0006] The purpose of the present invention is to provide a concrete dump truck for long-distance transportation of low-slump pre-cooled concrete, so as to solve the problem proposed in the above background technology that when the dump truck transports low-slump concrete and concrete for long-distance transportation, the water in the concrete continues to evaporate due to the influence of external temperature during transportation, which affects the slump of the concrete, increases the difficulty of mixing, and affects the normal use of the subsequent concrete.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a concrete dump truck for long-distance transportation of low-slump pre-cooled concrete, comprising a vehicle body, a mixing dump tank and a support seat, wherein the mixing dump tank is arranged above the vehicle body, and the outer side of the mixing dump tank is connected with the support seat to provide support for the mixing dump tank and drive the rotation of the mixing dump tank, a discharge plate is arranged below the right opening of the mixing dump tank, and a movable disk is arranged at the right opening of the mixing dump tank, a movement control mechanism is connected to the left side of the movable disk to control the movement of the movable disk, and the right end opening of the mixing dump tank is closed after the movable disk and the right end of the mixing dump tank are fitted together. A movable ring is rotatably installed on the left side of the movable disk, and the movable ring and the stirring self-unloading tank are in fit and rotate with the rotation of the stirring self-unloading tank. A feed hopper is fixed on the right side of the movable disk, and a through slot is connected to the left end of the feed hopper, and the through slot is opened inside the movable disk, and a guide cover is fixed to the left end of the through slot, so that after the movable disk moves to the right, the feed hopper can still add material to the stirring self-unloading tank through the guide cover, a baffle is arranged inside the through slot to cover the through slot, and an up and down sliding structure is formed between the baffle and the movable disk, and an opening and closing control mechanism is arranged above the movable disk, a circulation channel is opened inside the movable disk, and an airflow blowing mechanism is arranged inside the circulation channel.

[0008] To further optimize the technical solution, the mobile control mechanism includes a support block and a telescopic control rod;

[0009] The support block is sleeved on the outer side of the mixing dump tank, and the support block is connected to the vehicle body;

[0010] The telescopic control rod is fixed on the right side of the supporting block, and the right end of the telescopic control rod is fixedly connected to the movable disk to control the movement of the movable disk.

[0011] To further optimize the technical solution, the opening and closing control mechanism includes a return spring, a control rope, a reel and a driving mechanism;

[0012] A return spring is arranged above the baffle to provide a downward thrust for the baffle;

[0013] A control rope is fixed above the baffle to control the movement of the baffle;

[0014] A reel is rotatably mounted inside the movable disk, and the reel is connected to the upper end of the control rope;

[0015] The driving mechanism controls the rotation of the reel so that the reel can be reeled in.

[0016] To further optimize the technical solution, the driving mechanism includes a transmission gear and a driving plate;

[0017] A transmission gear is fixed on the outside of the reel;

[0018] The driving plate is arranged above the transmission gear and is meshed with the transmission gear, and the left end of the driving plate is fixed on the surface of the supporting block.

[0019] To further optimize the technical solution, the left side of the circulation channel is designed as an open structure, and a refrigerator is provided inside the circulation channel, and the refrigerator is installed on the surface of the movable disk to cool the airflow in the circulation channel.

[0020] To further optimize the technical solution, the airflow blowing mechanism includes a rotating shaft, fan blades, a support plate and a rotation control mechanism;

[0021] A rotating shaft is arranged inside the circulation channel;

[0022] The fan blades are fixed on the surface of the rotating shaft;

[0023] The support plate is fixed inside the circulation channel, and the rotating shaft is arranged between the side of the support plate and the support plate to form a rotating connection;

[0024] The rotation control mechanism is connected to the rotating shaft to provide power to the rotating shaft.

[0025] To further optimize the technical solution, the left end of the movable ring is made of rubber material, and the right end of the movable ring is designed to be an enlarged structure.

[0026] To further optimize the technical solution, the rotation control mechanism is connected to the movable ring and is powered by the rotation of the movable ring.

[0027] To further optimize the technical solution, the rotation control mechanism includes a transmission shaft, a transmission belt and a driving gear;

[0028] A transmission shaft, rotatably mounted inside the movable plate;

[0029] A transmission belt is arranged on the surface of the transmission shaft, and the transmission shaft is connected to the rotating shaft through the transmission belt;

[0030] The driving gear is fixed on the surface of the transmission shaft, and the driving gear is located inside the movable ring and is meshed with the movable ring.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] 1. The end opening of the mixing self-unloading tank can be shielded by the setting of the movable plate, thereby reducing the volatilization of water in the mixing self-unloading tank and preventing its slump from continuously decreasing, so as to transport the concrete over long distances;

[0033] 2. The feed channel of the feed hopper is closed by the baffle to reduce the volatilization of water in the mixing self-unloading tank. At the same time, a certain amount of heat can be isolated. With the air flow provided by the circulation channel, a certain cooling effect can be provided in the mixing self-unloading tank, so that the mixing is at a relatively low ambient temperature to maintain its slump;

[0034] 3. The movement of the baffle is carried out by the movement of the movable plate. When the movable plate is controlled to move to open the right opening of the mixing self-unloading tank, the baffle can automatically move to open the through slot for adding materials. When the movable plate moves to the left to seal the mixing self-unloading tank, the baffle can automatically close the through slot, which is more convenient to use.

[0035] 4. The rotation of the fan blades drives the airflow in the circulation channel to circulate, and the refrigerator cools the airflow, so that the temperature in the mixing dump tank can be kept at a relatively low level to prevent the slump from changing too quickly due to the influence of temperature.

[0036] 5. The rotation of the movable ring can provide power for the rotation of the fan blades, making the operation of the device more energy-efficient, and the movable ring can rotate with the rotation of the mixing dump tank, without the need for an additional power source. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0038] Figure 2 It is a side view structural schematic diagram of the present invention;

[0039] Figure 3 This is a schematic diagram of the three-dimensional structure of the support block of the present invention;

[0040] Figure 4 It is a schematic diagram of the three-dimensional structure of the movable disk of the present invention;

[0041] Figure 5 It is a schematic diagram of the main cross-sectional structure of the movable disk of the present invention;

[0042] Figure 6 It is a schematic diagram of the side cross-sectional structure of the baffle of the present invention;

[0043] Figure 7 For the present invention Figure 5 The enlarged structural diagram at a in the middle;

[0044] Figure 8 It is a schematic diagram of the side view structure of the driving gear of the present invention.

[0045] In the figure: 1. body; 2. mixing dump tank; 3. support seat; 4. feed hopper; 5. discharge plate; 6. support block; 7. movable plate; 8. telescopic control rod; 9. guide cover; 10. through groove; 11. movable ring; 12. baffle; 13. return spring; 14. control rope; 15. reel; 16. transmission gear; 17. drive plate; 18. circulation channel; 19. refrigerator; 20. rotating shaft; 21. fan blades; 22. support plate; 23. transmission shaft; 24. transmission belt; 25. drive gear. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] See also Figure 1-Figure 8 The present invention provides the following technical solution: a concrete dump truck for long-distance transportation of low-slump pre-cooled concrete, comprising a vehicle body 1, a mixing dump tank 2 and a support seat 3, wherein the mixing dump tank 2 is arranged above the vehicle body 1, and the outer side of the mixing dump tank 2 is connected with the support seat 3 to provide support for the mixing dump tank 2 and drive the rotation of the mixing dump tank 2;

[0048] Embodiment 1:

[0049] The invention provides a technical solution, which discloses that a discharge plate 5 is arranged below the right opening of the stirring self-unloading tank 2, and a movable plate 7 is arranged at the right opening of the stirring self-unloading tank 2. A moving control mechanism is connected to the left side of the movable plate 7 to control the movement of the movable plate 7. After the movable plate 7 and the right end of the stirring self-unloading tank 2 are fitted, the right end opening of the stirring self-unloading tank 2 is closed. A movable ring 11 is rotatably installed on the left side of the movable plate 7. The movable ring 11 and the stirring self-unloading tank 2 are fitted and rotated with the rotation of the stirring self-unloading tank 2. A feed hopper 4 is fixed to the right side of the movable plate 7. , and the left end of the feed hopper 4 is connected with a through slot 10, and the through slot 10 is opened inside the movable disk 7, and a guide cover 9 is fixed to the left end of the through slot 10, so that after the movable disk 7 moves to the right, the feed hopper 4 can still add materials to the stirring self-unloading tank 2 through the guide cover 9, and a baffle 12 is arranged inside the through slot 10 to block the through slot 10, and an up-and-down sliding structure is formed between the baffle 12 and the movable disk 7, and an opening and closing control mechanism is arranged above the movable disk 7, and a circulation channel 18 is opened inside the movable disk 7, and an airflow blowing mechanism is arranged inside the circulation channel 18;

[0050] When in use, the right end opening of the mixing self-unloading tank 2 is blocked by the movable disk 7 to reduce the evaporation of water in the concrete and keep the effective slump. When discharging is required, the movable disk 7 is controlled to move to the right to open the opening of the mixing self-unloading tank 2, and then the mixing self-unloading tank 2 is controlled to rotate in the reverse direction to discharge the concrete from the mixing self-unloading tank 2.

[0051] Embodiment 2:

[0052] On the basis of the first embodiment, the mobile control mechanism is disclosed, including a support block 6 and a telescopic control rod 8, the support block 6 is sleeved on the outer side of the mixing dump tank 2, and the support block 6 is connected to the vehicle body 1, the telescopic control rod 8 is fixed to the right side of the support block 6, and the right end of the telescopic control rod 8 is fixedly connected to the movable disk 7 to control the movement of the movable disk 7, the opening and closing control mechanism includes a reset spring 13, a control rope 14, a winding shaft 15 and a driving mechanism, the reset spring 13 is arranged above the baffle 12 to provide a downward thrust for the baffle 12, the control rope 14 is fixed to the baffle 12, and the winding shaft 15 is fixed to the baffle 12. The reel 15 is fixed above the baffle 12 to control the movement of the baffle 12. The reel 15 is rotatably installed inside the movable disk 7, and the reel 15 is connected to the upper end of the control rope 14. The driving mechanism controls the rotation of the reel 15 to control the reeling of the control rope 14. The driving mechanism includes a transmission gear 16 and a driving plate 17. The transmission gear 16 is fixed on the outer side of the reel 15. The driving plate 17 is arranged above the transmission gear 16 and is meshed with the transmission gear 16. The left end of the driving plate 17 is fixed to the surface of the support block 6.

[0053] When the movable disk 7 is controlled to move, the movable disk 7 can be driven to move by the telescopic movement of the telescopic control rod 8. The telescopic control rod 8 obtains stable support through the support block 6 to provide a supporting effect for the movable disk 7. When the movable disk 7 is controlled to move to the right, the movable disk 7 moves to the right and the transmission gear 16 will move along the driving plate 17 to rotate the transmission gear 16. When the transmission gear 16 rotates, it will drive the winding shaft 15 to rotate, and the winding shaft 15 winds up the control rope 14. The control rope 14 pulls the baffle 12 to move upward, compresses the reset spring 13, and opens the through slot 10. At this time, the material can be added to the stirring self-unloading tank 2 through the feed hopper 4. After the movable disk 7 is moved to the left and reset, the winding shaft 15 rotates in the opposite direction. At this time, the reset spring 13 can push the baffle 12 to move downward, so that the baffle 12 blocks the through slot 10.

[0054] Embodiment three:

[0055] On the basis of the first embodiment, the left side of the circulation channel 18 is disclosed to be an open structure design, and a refrigerator 19 is arranged inside the circulation channel 18, and the refrigerator 19 is installed on the surface of the movable disk 7 to cool the airflow in the circulation channel 18. The airflow blowing mechanism includes a rotating shaft 20, a fan blade 21, a support plate 22 and a rotation control mechanism. The rotating shaft 20 is arranged inside the circulation channel 18, the fan blade 21 is fixed on the surface of the rotating shaft 20, the support plate 22 is fixed inside the circulation channel 18, the rotating shaft 20 is arranged between the side of the support plate 22 and the support plate 22 to form a rotation connection, the rotation control mechanism, and the rotating shaft 20 The movable ring 11 is connected to provide power for the rotating shaft 20. The left end of the movable ring 11 is made of rubber material, and the right end of the movable ring 11 is designed in an enlarged structure. The rotation control mechanism is connected to the movable ring 11, and the movable ring 11 is provided with power through its rotation. The rotation control mechanism includes a transmission shaft 23, a transmission belt 24 and a driving gear 25. The transmission shaft 23 is rotatably mounted inside the movable disk 7. The transmission belt 24 is arranged on the surface of the transmission shaft 23, and the transmission shaft 23 is connected to the rotating shaft 20 through the transmission belt 24. The driving gear 25 is fixed on the surface of the transmission shaft 23, and the driving gear 25 is located on the inner side of the movable ring 11 and meshed with the movable ring 11 to form a meshing connection.

[0056] When the mixing dump tank 2 rotates, the movable ring 11 fitted therewith will be driven to rotate. When the movable ring 11 rotates, it will drive the driving gear 25 and the transmission shaft 23 to rotate through the engagement with the driving gear 25. The transmission shaft 23 drives the rotating shaft 20 to rotate through the transmission belt 24. The rotating shaft 20 drives the fan blades 21 to rotate, so that the gas in the circulation channel 18 can circulate. At the same time, the gas can be cooled when passing through the refrigerator 19, thereby realizing cooling of the mixing dump tank 2 and preventing the concrete from heating up and accelerating the change of slump.

[0057] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0058] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A concrete dump truck for long-distance transportation of low-slump pre-cooled concrete, comprising a vehicle body (1), a mixing dump tank (2) and a support seat (3), wherein the mixing dump tank (2) is arranged above the vehicle body (1), and the outer side of the mixing dump tank (2) is connected to the support seat (3) to provide support for the mixing dump tank (2) and drive the mixing dump tank (2) to rotate; Features: A discharge plate (5) is provided below the right opening of the stirring self-unloading tank (2), and a movable plate (7) is provided at the right opening of the stirring self-unloading tank (2). The left side of the movable plate (7) is connected to a movement control mechanism to control the movement of the movable plate (7). The movable plate (7) and the right end of the stirring self-unloading tank (2) are fitted together to close the right end opening of the stirring self-unloading tank (2). A movable ring (11) is rotatably installed on the left side of the movable plate (7). The movable ring (11) and the stirring self-unloading tank (2) are fitted together and rotate with the rotation of the stirring self-unloading tank (2). A feed hopper (4) is fixed to the right side of the movable plate (7), and the feed hopper (4) is The left end is connected with a through slot (10), and the through slot (10) is opened inside the movable disk (7). A guide cover (9) is fixed to the left end of the through slot (10), so that after the movable disk (7) moves to the right, the feed hopper (4) can still add materials to the stirring self-unloading tank (2) through the guide cover (9). A baffle (12) is arranged inside the through slot (10) to block the through slot (10), and an up-and-down sliding structure is formed between the baffle (12) and the movable disk (7), and an opening and closing control mechanism is arranged above the movable disk (7). A circulation channel (18) is opened inside the movable disk (7), and an airflow blowing mechanism is arranged inside the circulation channel (18).

2. The concrete dump truck for long-distance transportation of low-slump pre-cooled concrete according to claim 1, characterized in that: The movement control mechanism comprises a support block (6) and a telescopic control rod (8); A support block (6) is sleeved on the outer side of the mixing dump tank (2), and the support block (6) is connected to the vehicle body (1); The telescopic control rod (8) is fixed on the right side of the support block (6), and the right end of the telescopic control rod (8) is fixedly connected to the movable disk (7) to control the movement of the movable disk (7).

3. The concrete dump truck for long-distance transportation of low-slump pre-cooled concrete according to claim 2, characterized in that: The opening and closing control mechanism comprises a return spring (13), a control rope (14), a reel (15) and a driving mechanism; A return spring (13) is arranged above the baffle (12) to provide a downward thrust for the baffle (12); A control rope (14) is fixed above the baffle (12) to control the movement of the baffle (12); A reel (15) is rotatably mounted inside the movable disk (7), and the reel (15) is connected to the upper end of the control rope (14); The driving mechanism controls the rotation of the reel (15) so as to control the reeling of the control rope (14).

4. The concrete dump truck for long-distance transportation of low-slump pre-cooled concrete according to claim 3, characterized in that: The driving mechanism comprises a transmission gear (16) and a driving plate (17); A transmission gear (16) is fixed on the outer side of the reel (15); The driving plate (17) is arranged above the transmission gear (16) and is meshedly connected with the transmission gear (16), and the left end of the driving plate (17) is fixed on the surface of the supporting block (6).

5. The concrete dump truck for long-distance transportation of low-slump pre-cooled concrete according to claim 1, characterized in that: The left side of the circulation channel (18) is designed as an open structure, and a refrigerator (19) is arranged inside the circulation channel (18). The refrigerator (19) is installed on the surface of the movable disk (7) to cool the airflow in the circulation channel (18).

6. The concrete dump truck for long-distance transportation of low-slump pre-cooled concrete according to claim 5, characterized in that: The airflow blowing mechanism comprises a rotating shaft (20), fan blades (21), a supporting plate (22) and a rotating control mechanism; A rotating shaft (20) is arranged inside the circulation channel (18); The fan blade (21) is fixed on the surface of the rotating shaft (20); A support plate (22) is fixed inside the circulation channel (18), and a rotating shaft (20) is arranged on the side of the support plate (22) and between the support plate (22) to form a rotating connection; The rotation control mechanism is connected to the rotation shaft (20) to provide power for the rotation shaft (20).

7. The concrete dump truck for long-distance transportation of low-slump pre-cooled concrete according to claim 6, characterized in that: The left end of the movable ring (11) is made of rubber material, and the right end of the movable ring (11) is designed to be an enlarged structure.

8. The concrete dump truck for long-distance transportation of low-slump precooled concrete according to claim 6 or 7, characterized in that: The rotation control mechanism is connected to the movable ring (11) and provides power to the movable ring (11) through the rotation of the movable ring (11).

9. The concrete dump truck for long-distance transportation of low-slump pre-cooled concrete according to claim 8, characterized in that: The rotation control mechanism comprises a transmission shaft (23), a transmission belt (24) and a driving gear (25); A transmission shaft (23) is rotatably mounted inside the movable plate (7); A transmission belt (24) is arranged on the surface of the transmission shaft (23), and the transmission shaft (23) is connected to the rotating shaft (20) through the transmission belt (24); The driving gear (25) is fixed on the surface of the transmission shaft (23), and the driving gear (25) is located inside the movable ring (11) and is meshedly connected with the movable ring (11).

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