Concrete mixing and dispensing device

Abstract

The utility model discloses a concrete mixing and distributing device, including heading machine, the tail of heading machine is connected with mounting panel through connecting device, the top surface of mounting panel is fixed with mixing device, the bottom surface of mounting panel is installed with auxiliary walking device, the side of mixing device away from heading machine is fixed with unloading device, the utility model discloses through operating heading machine and moving and carrying out the digging of concrete dry material on the roadway floor, and mixing device and unloading device move along with the traction of heading machine and accept the concrete dry material of heading machine transportation, and mixing device completes stirring, and finally becomes finished product concrete and is spread on the roadway floor through unloading device, realizes the continuous operation of underground roadway concrete bottom laying, effectively saves the labor intensity of worker, and improves concrete bottom laying efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of mining equipment technology and relates to a concrete mixing and placing device. Background Technology

[0002] During use, the floor slab of coal mine roadways becomes broken and muddy due to factors such as water seepage from the roof and pressure from the surrounding rock. To facilitate personnel movement and the transport of materials by trackless rubber-wheeled vehicles, it is usually necessary to pour concrete to pave the floor of coal mine roadways, thereby improving safety and production efficiency. However, currently, the construction of underground roadway floor slabs in domestic coal mines still mainly relies on vehicles transporting materials, manual loading, mixing, and manual spreading of concrete. This traditional method is not only inefficient and time-consuming, but also involves high labor intensity and cost for workers. Therefore, there is an urgent need to develop an integrated machine suitable for underground coal mine roadways that can achieve continuous loading, mixing, and spreading operations, thereby improving the efficiency of concrete paving in underground roadways, reducing the labor intensity of workers, and ensuring the safety of workers. Utility Model Content

[0003] The purpose of this invention is to provide a concrete mixing and spreading device, which solves the problem of manual material feeding, mixing and spreading in the concrete pouring and laying process in the prior art.

[0004] The technical solution adopted by this utility model is a concrete mixing and placing device, including a tunneling machine. The tail of the tunneling machine is connected to an installation plate through a connecting device. A mixing device is fixed on the top surface of the installation plate, and an auxiliary walking device is installed on the bottom surface of the installation plate. A discharge device is fixed on the side of the mixing device away from the tunneling machine.

[0005] The features of this utility model also include: The mixing device includes a housing, which is fixed to a mounting plate. One or two rows of agitators are arranged inside the housing. A mixing motor that penetrates the housing is installed on the top of the agitator. An inlet is opened at the top of the housing near the connecting device. A discharge device is fixed to the housing, and a discharge port is opened at the top of the housing of the discharge device.

[0006] The unloading device includes a fixed block, which is fixed to the housing. A support arm is fixed to the top of the fixed block, and the support arm is connected to the unloading trough through a first pin. A sleeve is fixed to the bottom of the fixed block. A through hole communicating with the sleeve is opened on the fixed block. A horizontal rotating device is inserted along the sleeve and the through hole. One end of the horizontal rotating device extends out of the through hole, and the other end of the horizontal rotating device is connected to a connecting block. The unloading device also includes a support cylinder. The connecting block is fixed to the outer wall of the support cylinder. A telescopic arm is threadedly connected to the support cylinder. One end of the telescopic arm extends out of the support cylinder and is connected to the unloading trough through a second pin. The first pin and the second pin are connected on the same side of the unloading trough, and the first pin is fixed near the top of the unloading trough.

[0007] The auxiliary walking device includes several U-shaped wheel frames, which are fixed side by side to the bottom of the mounting plate, and rollers are fixed on the U-shaped wheel frames through wheel axles.

[0008] The connecting device includes a first welding block, which is fixed to the tail of the tunneling machine. One end of the first welding block is connected to a connecting rod, and the other end of the connecting rod is connected to a second welding block, which is fixed to a mounting plate.

[0009] The first welding block is connected to the connecting rod via the fourth pin, and the connecting rod is connected to the second welding block via the fifth pin.

[0010] A partition is installed between two adjacent agitators, and a flow port is opened on the partition.

[0011] The horizontal rotation device includes a screw that extends from the sleeve and through hole. One side of the screw is fixed to the connecting block by a third pin. A nut is installed on the screw at a position between the connecting block and the sleeve.

[0012] The end of the telescopic boom furthest from the unloading chute extends out from the support cylinder and is connected to a crank handle.

[0013] The telescopic arm has external threads, and the support cylinder has matching internal threads.

[0014] The beneficial effects of this utility model are: This utility model of concrete mixing and spreading device, when concrete paving is required in underground roadways, firstly transports the prepared dry concrete material into the roadway, and evenly piles it according to the amount of dry concrete material required per meter of roadway. By operating the tunneling machine, the dry concrete material on the roadway floor is loaded and transported. The mixing device and unloading device move with the traction of the tunneling machine and receive the dry concrete material transported by the tunneling machine. The mixing device completes the mixing, and finally the finished concrete is spread on the roadway floor through the unloading device, realizing continuous operation of concrete paving in underground roadways, effectively saving the labor intensity of workers and improving the efficiency of concrete paving. Attached Figure Description

[0015] Figure 1 This is the left view of this utility model; Figure 2 This is a top view of the present invention; Figure 3 This is a side view of the stirring device in this utility model; Figure 4 This is a top view of the stirring device in this utility model; Figure 5 This is a side view of the unloading device in this utility model; Figure 6 This is a structural diagram of the connecting device in this utility model; Figure 7This is a schematic diagram of the operation of this utility model.

[0016] In the diagram, 1. Tunneling machine, 2. Mixing device, 3. Unloading device, 4. Connecting device, 2-1. Mixing motor, 2-2. Mixer, 2-3. Feed inlet, 2-4. Discharge outlet, 2-5. Shell, 2-6. Partition plate, 3-1. Discharge chute, 3-2. Connecting block, 3-3. Support cylinder, 3-4. Telescopic boom, 3-5. Horizontal rotating device, 3-5-1. Screw, 3-5-2. Nut, 3-5 -3. Third pin, 3-6. Sleeve, 3-7. Fixing block, 3-8. Support arm, 3-9. Second pin, 3-10. Handle, 3-11. First pin, 4-1. First welding block, 4-2. Connecting rod, 4-3. Second welding block, 4-4. Fourth pin, 4-5. Fifth pin, 5. Mounting plate, 6. Auxiliary walking device, 6-1. U-shaped wheel frame, 6-2. Wheel axle, 6-3. Roller. Detailed Implementation

[0017] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0018] Concrete mixing and placing device, see Figure 1 , Figure 2 The system includes a tunneling machine 1, with a mounting plate 5 connected to the tail of the tunneling machine 1 via a connecting device 4. A mixing device 2 is fixed on the top surface of the mounting plate 5, and an auxiliary walking device 6 is installed on the bottom surface of the mounting plate 5. A discharge device 3 is fixed on the side of the mixing device 2 away from the tunneling machine 1. The concrete mixed by the mixing device 2 flows into the discharge device 3, and then the concrete is spread over a large area by the guidance of the discharge device 3, realizing continuous operation of concrete paving in underground roadways, effectively saving the labor intensity of workers and improving the efficiency of concrete paving.

[0019] See Figure 3 , Figure 4 The mixing device 2 includes a housing 2-5, which is fixed on the mounting plate 5. One or two rows of mixers 2-2 are arranged inside the housing 2-5. There are 2 to 4 mixers 2-2. A mixing motor 2-1 is installed on the top of the mixer 2-2 and passes through the housing 2-5. An inlet 2-3 is opened at the top of the housing 2-5 of the mixer 2-2 near the connecting device 4 to facilitate the entry of dry concrete and water from the receiving port. The unloading device 3 is fixed on the housing 2-5. An unloading port 2-4 is opened at the top of the housing 2-5 of the unloading device 3 to facilitate the unloading of the mixed concrete into the unloading device 3. A partition 2-6 is installed between two adjacent mixers 2-2. A flow port is opened on the partition 2-6 to allow the mixed concrete to flow into the next mixer 2-2.

[0020] See Figure 5The unloading device 3 includes a fixing block 3-7, which is fixed to the housing 2-5. A support arm 3-8 is fixed to the top of the fixing block 3-7. The support arm 3-8 is connected to the unloading trough 3-1 through a first pin 3-11. The support arm 3-8 supports the unloading trough 3-1, which can bear and control the flow direction of concrete. A sleeve 3-6 is fixed to the bottom of the fixing block 3-7. A through hole communicating with the sleeve 3-6 is opened on the fixing block 3-7. A horizontal rotating device 3-5 is inserted through the sleeve 3-6 and the through hole. One end of the horizontal rotating device 3-5 extends out of the through hole, and the other end of the horizontal rotating device 3-5 is connected to a connecting block 3-2. The unloading device 3 also includes a support cylinder 3-3, and the connecting block 3-2 is fixed to the outer wall of the support cylinder 3-3. The lower support cylinder 3-3 is designed to allow free vertical movement. The support cylinder 3-3 is threadedly connected to a telescopic arm 3-4. One end of the telescopic arm 3-4 extends from the support cylinder 3-3 and is connected to the discharge trough 3-1 via a second pin 3-9. The first pin 3-11 and the second pin 3-9 are connected to the same side of the discharge trough 3-1, and the first pin 3-11 is fixed near the top of the discharge trough 3-1. The end of the telescopic arm 3-4 away from the discharge trough 3-1 extends from the support cylinder 3-3 and is connected to a crank handle 3-10. By rotating the telescopic arm 3-4, it can move back and forth relative to the lower support cylinder 3-3, further adjusting the vertical tilt angle of the discharge trough 3-1. The telescopic arm 3-4 has external threads, and the support cylinder 3-3 has matching internal threads.

[0021] See Figure 6 The auxiliary walking device 6 includes several U-shaped wheel frames 6-1, which are fixed side by side to the bottom of the mounting plate 5. Rollers 6-3 are fixed on the U-shaped wheel frames 6-1 through wheel axles 6-2.

[0022] The connecting device 4 includes a first welding block 4-1, which is fixed to the tail of the tunneling machine 1. One end of the first welding block 4-1 is connected to a connecting rod 4-2, and the other end of the connecting rod 4-2 is connected to a second welding block 4-3. The second welding block 4-3 is fixed on the mounting plate 5. Both the first welding block 4-1 and the second welding block 4-3 are provided with round holes to facilitate pin connection. The first welding block 4-1 is connected to the connecting rod 4-2 through a fourth pin 4-4, and the connecting rod 4-2 is connected to the second welding block 4-3 through a fifth pin 4-5.

[0023] See Figure 5 The horizontal rotating device 3-5 includes a screw 3-5-1, which extends from the sleeve 3-6 and the through hole. One side of the screw 3-5-1 is fixed to the connecting block 3-2 by a third pin 3-5-3. A nut 3-5-2 is installed on the screw 3-5-1 at the position between the connecting block 3-2 and the sleeve 3-6. The fixing block 3-7 has a round hole in the middle to facilitate the passage of the third pin 3-5-3.

[0024] By rotating the nut 3-5-2 and locking it with the sleeve 3-6, when the nut 3-5-2 is loosened, the screw 3-5-1 can rotate freely inside the sleeve 3-6, thereby driving the support cylinder 3-3 and the unloading trough 3-1 to rotate in the horizontal direction, realizing the horizontal angle adjustment of the unloading device 3. After the rotation is adjusted to a suitable angle, the nut 3-5-2 can be tightened to fix the screw 3-5-1, thus fixing the unloading device 3 in the horizontal direction.

[0025] The working process of this utility model: See Figure 7 Step 1: In the underground roadway where the bottom needs to be laid, the prepared dry concrete material is piled up evenly according to the required amount of dry concrete material per meter of roadway. The tunneling machine 1 is operated to move forward. After the tunneling machine 1 moves, the mixing device 2 and the unloading device 3 are pulled and move along. While the tunneling machine 1 moves forward, it loads and transports the dry concrete material in the roadway.

[0026] Step 2: The dry concrete material transported by the tunneling machine 1 is transported to the mixing device 2. At the same time as the dry concrete material is dropped into the mixing device 2, water from the underground water supply pipeline is simultaneously delivered to the mixing device 2 at a fixed flow rate. Then, the mixing motor 2-1 is started to mix the dry concrete material and water.

[0027] Step 3: The tunneling machine 1 continues to move forward, and the dry concrete and water continuously flow into the mixing device 2. Through the continuous mixing of the mixer 2-2, the concrete is mixed into finished concrete. After the finished concrete in the mixing device 2 accumulates to a certain height, it flows out from the discharge port 2-4 and into the discharge device 3.

[0028] Step 4: Loosen the third pin 3-11 and rotate the telescopic arm 3-4 to adjust the unloading chute 3-1 to a suitable tilt angle. Loosen the first pin 3-5-3 and adjust the angle of the unloading chute 3-1 in the horizontal direction. After adjusting to a suitable angle, tighten the first pin 3-5-3 and the third pin 3-11. The finished concrete is spread on the floor of the underground roadway under the guidance of the unloading chute 3-1.

[0029] Step 5: Operate the tunneling machine 1 to move forward continuously and complete the concrete paving work for the entire tunnel. After the concrete has solidified to the target strength, disassemble the tunneling machine 1 and other components into parts that can be loaded onto trucks and transport them out to begin the concrete paving work for the next section of the tunnel.

[0030] Example 1: A concrete mixing and placing device includes a tunneling machine 1. The tail of the tunneling machine 1 is connected to a mounting plate 5 via a connecting device 4. A mixing device 2 is fixed on the top surface of the mounting plate 5. An auxiliary walking device 6 is installed on the bottom surface of the mounting plate 5. A discharge device 3 is fixed on the side of the mixing device 2 away from the tunneling machine 1.

[0031] The mixing device 2 includes a housing 2-5, which is fixed on the mounting plate 5. One or two rows of agitators 2-2 are arranged inside the housing 2-5. A mixing motor 2-1 that penetrates the housing 2-5 is installed on the top of the agitator 2-2. An inlet 2-3 is opened at the top of the housing 2-5 near the connecting device 4. The unloading device 3 is fixed on the housing 2-5. An unloading port 2-4 is opened at the top of the housing 2-5 of the unloading device 3.

[0032] The unloading device 3 includes a fixing block 3-7, which is fixed to the housing 2-5. A support arm 3-8 is fixed to the top of the fixing block 3-7, and the support arm 3-8 is connected to the unloading groove 3-1 through a first pin 3-11. A sleeve 3-6 is fixed to the bottom of the fixing block 3-7. A through hole communicating with the sleeve 3-6 is opened on the fixing block 3-7. A horizontal rotating device 3-5 is inserted through the sleeve 3-6 and the through hole. One end of the horizontal rotating device 3-5 extends out of the through hole, and the other end of the horizontal rotating device 3-5 is connected to a connecting block 3-2. The unloading device 3 also includes a support cylinder 3-3, a connecting block 3-2 fixed on the outer wall of the support cylinder 3-3, a telescopic arm 3-4 threadedly connected to the support cylinder 3-3, one end of the telescopic arm 3-4 extending out of the support cylinder 3-3 and connected to the unloading trough 3-1 through a second pin 3-9, a first pin 3-11 and a second pin 3-9 connected on the same side of the unloading trough 3-1 and the first pin 3-11 fixed near the top of the unloading trough 3-1, the telescopic arm 3-4 having external threads, and the support cylinder 3-3 having matching internal threads.

[0033] Example 2: A concrete mixing and placing device includes a tunneling machine 1. The tail of the tunneling machine 1 is connected to a mounting plate 5 via a connecting device 4. A mixing device 2 is fixed on the top surface of the mounting plate 5. An auxiliary walking device 6 is installed on the bottom surface of the mounting plate 5. A discharge device 3 is fixed on the side of the mixing device 2 away from the tunneling machine 1.

[0034] The mixing device 2 includes a housing 2-5, which is fixed on the mounting plate 5. One or two rows of agitators 2-2 are arranged inside the housing 2-5. A mixing motor 2-1 that penetrates the housing 2-5 is installed on the top of the agitator 2-2. An inlet 2-3 is opened at the top of the housing 2-5 near the connecting device 4. The unloading device 3 is fixed on the housing 2-5. An unloading port 2-4 is opened at the top of the housing 2-5 of the unloading device 3.

[0035] The auxiliary walking device 6 includes several U-shaped wheel frames 6-1, which are fixed side by side to the bottom of the mounting plate 5. Rollers 6-3 are fixed on the U-shaped wheel frames 6-1 through wheel axles 6-2.

[0036] The connecting device 4 includes a first welding block 4-1, which is fixed to the tail of the tunneling machine 1. One end of the first welding block 4-1 is connected to a connecting rod 4-2, and the other end of the connecting rod 4-2 is connected to a second welding block 4-3. The second welding block 4-3 is fixed on the mounting plate 5. The first welding block 4-1 is connected to the connecting rod 4-2 through a fourth pin 4-4, and the connecting rod 4-2 is connected to the second welding block 4-3 through a fifth pin 4-5.

[0037] Example 3: A concrete mixing and placing device includes a tunneling machine 1. The tail of the tunneling machine 1 is connected to a mounting plate 5 via a connecting device 4. A mixing device 2 is fixed on the top surface of the mounting plate 5. An auxiliary walking device 6 is installed on the bottom surface of the mounting plate 5. A discharge device 3 is fixed on the side of the mixing device 2 away from the tunneling machine 1.

[0038] The mixing device 2 includes a housing 2-5, which is fixed on the mounting plate 5. One or two rows of agitators 2-2 are arranged inside the housing 2-5. A mixing motor 2-1 that penetrates the housing 2-5 is installed on the top of the agitator 2-2. An inlet 2-3 is opened at the top of the housing 2-5 near the connecting device 4. A discharge device 3 is fixed on the housing 2-5. A discharge port 2-4 is opened at the top of the housing 2-5 of the discharge device 3. A partition 2-6 is installed between two adjacent agitators 2-2. A flow port is opened on the partition 2-6.

[0039] The unloading device 3 includes a fixing block 3-7, which is fixed to the housing 2-5. A support arm 3-8 is fixed to the top of the fixing block 3-7, and the support arm 3-8 is connected to the unloading groove 3-1 via a first pin 3-11. A sleeve 3-6 is fixed to the bottom of the fixing block 3-7. A through hole communicating with the sleeve 3-6 is opened on the fixing block 3-7. A horizontal rotating device 3-5 is inserted through the sleeve 3-6 and the through hole. One end of the horizontal rotating device 3-5 extends out of the through hole. The other end of 3-5 is connected to a connecting block 3-2. The unloading device 3 also includes a support cylinder 3-3. The connecting block 3-2 is fixed on the outer wall of the support cylinder 3-3. The support cylinder 3-3 is threadedly connected to a telescopic arm 3-4. One end of the telescopic arm 3-4 extends out of the support cylinder 3-3 and is connected to the unloading trough 3-1 through a second pin 3-9. The first pin 3-11 and the second pin 3-9 are connected on the same side of the unloading trough 3-1, and the first pin 3-11 is fixed at the position near the top of the unloading trough 3-1.

[0040] The horizontal rotation device 3-5 includes a screw 3-5-1, which extends from the sleeve 3-6 and the through hole. One side of the screw 3-5-1 is fixed to the connecting block 3-2 by a third pin 3-5-3. A nut 3-5-2 is installed on the screw 3-5-1 at a position between the connecting block 3-2 and the sleeve 3-6.

[0041] Example 4: A concrete mixing and placing device includes a tunneling machine 1. The tail of the tunneling machine 1 is connected to a mounting plate 5 via a connecting device 4. A mixing device 2 is fixed on the top surface of the mounting plate 5. An auxiliary walking device 6 is installed on the bottom surface of the mounting plate 5. A discharge device 3 is fixed on the side of the mixing device 2 away from the tunneling machine 1.

[0042] The mixing device 2 includes a housing 2-5, which is fixed on the mounting plate 5. One or two rows of agitators 2-2 are arranged inside the housing 2-5. A mixing motor 2-1 that penetrates the housing 2-5 is installed on the top of the agitator 2-2. An inlet 2-3 is opened at the top of the housing 2-5 near the connecting device 4. The unloading device 3 is fixed on the housing 2-5. An unloading port 2-4 is opened at the top of the housing 2-5 of the unloading device 3.

[0043] The unloading device 3 includes a fixing block 3-7, which is fixed to the housing 2-5. A support arm 3-8 is fixed to the top of the fixing block 3-7, and the support arm 3-8 is connected to the unloading groove 3-1 via a first pin 3-11. A sleeve 3-6 is fixed to the bottom of the fixing block 3-7. A through hole communicating with the sleeve 3-6 is opened on the fixing block 3-7. A horizontal rotating device 3-5 is inserted through the sleeve 3-6 and the through hole. One end of the horizontal rotating device 3-5 extends out of the through hole, and the other end of the horizontal rotating device 3-5 is connected to a connecting block 3-2. The device 3 also includes a support cylinder 3-3, a connecting block 3-2 fixed on the outer wall of the support cylinder 3-3, a telescopic arm 3-4 threadedly connected to the support cylinder 3-3, one end of the telescopic arm 3-4 extending out of the support cylinder 3-3 and connected to the unloading chute 3-1 through a second pin 3-9, a first pin 3-11 and a second pin 3-9 connected on the same side of the unloading chute 3-1, and the first pin 3-11 fixed near the top of the unloading chute 3-1, and the end of the telescopic arm 3-4 away from the unloading chute 3-1 extending out of the support cylinder 3-3 and connected to a crank handle 3-10.

[0044] The auxiliary walking device 6 includes several U-shaped wheel frames 6-1, which are fixed side by side to the bottom of the mounting plate 5. Rollers 6-3 are fixed on the U-shaped wheel frames 6-1 through wheel axles 6-2.

[0045] Example 5: A concrete mixing and placing device includes a tunneling machine 1. The tail of the tunneling machine 1 is connected to a mounting plate 5 via a connecting device 4. A mixing device 2 is fixed on the top surface of the mounting plate 5. An auxiliary walking device 6 is installed on the bottom surface of the mounting plate 5. A discharge device 3 is fixed on the side of the mixing device 2 away from the tunneling machine 1.

[0046] The mixing device 2 includes a housing 2-5, which is fixed on the mounting plate 5. One or two rows of agitators 2-2 are arranged inside the housing 2-5. A mixing motor 2-1 that penetrates the housing 2-5 is installed on the top of the agitator 2-2. An inlet 2-3 is opened at the top of the housing 2-5 near the connecting device 4. A discharge device 3 is fixed on the housing 2-5. A discharge port 2-4 is opened at the top of the housing 2-5 of the discharge device 3. A partition 2-6 is installed between two adjacent agitators 2-2. A flow port is opened on the partition 2-6.

[0047] The unloading device 3 includes a fixing block 3-7, which is fixed to the housing 2-5. A support arm 3-8 is fixed to the top of the fixing block 3-7, and the support arm 3-8 is connected to the unloading groove 3-1 via a first pin 3-11. A sleeve 3-6 is fixed to the bottom of the fixing block 3-7. A through hole communicating with the sleeve 3-6 is opened on the fixing block 3-7. A horizontal rotating device 3-5 is inserted through the sleeve 3-6 and the through hole. One end of the horizontal rotating device 3-5 extends out of the through hole. The other end of 3-5 is connected to a connecting block 3-2. The unloading device 3 also includes a support cylinder 3-3. The connecting block 3-2 is fixed on the outer wall of the support cylinder 3-3. The support cylinder 3-3 is threadedly connected to a telescopic arm 3-4. One end of the telescopic arm 3-4 extends out of the support cylinder 3-3 and is connected to the unloading trough 3-1 through a second pin 3-9. The first pin 3-11 and the second pin 3-9 are connected on the same side of the unloading trough 3-1, and the first pin 3-11 is fixed at the position near the top of the unloading trough 3-1.

[0048] The connecting device 4 includes a first welding block 4-1, which is fixed to the tail of the tunneling machine 1. One end of the first welding block 4-1 is connected to a connecting rod 4-2, and the other end of the connecting rod 4-2 is connected to a second welding block 4-3. The second welding block 4-3 is fixed on the mounting plate 5.

[0049] Example 6: A concrete mixing and placing device includes a tunneling machine 1. The tail of the tunneling machine 1 is connected to a mounting plate 5 via a connecting device 4. A mixing device 2 is fixed on the top surface of the mounting plate 5. An auxiliary walking device 6 is installed on the bottom surface of the mounting plate 5. A discharge device 3 is fixed on the side of the mixing device 2 away from the tunneling machine 1.

[0050] The mixing device 2 includes a housing 2-5, which is fixed on the mounting plate 5. One or two rows of agitators 2-2 are arranged inside the housing 2-5. A mixing motor 2-1 that penetrates the housing 2-5 is installed on the top of the agitator 2-2. An inlet 2-3 is opened at the top of the housing 2-5 near the connecting device 4. A discharge device 3 is fixed on the housing 2-5. A discharge port 2-4 is opened at the top of the housing 2-5 of the discharge device 3. A partition 2-6 is installed between two adjacent agitators 2-2. A flow port is opened on the partition 2-6.

[0051] The auxiliary walking device 6 includes several U-shaped wheel frames 6-1, which are fixed side by side to the bottom of the mounting plate 5. Rollers 6-3 are fixed on the U-shaped wheel frames 6-1 through wheel axles 6-2.

Claims

1. A concrete mixing and placing device, characterized in that, The device includes a tunneling machine (1), the tail of which is connected to an installation plate (5) via a connecting device (4). A mixing device (2) is fixed on the top surface of the installation plate (5), and an auxiliary walking device (6) is installed on the bottom surface of the installation plate (5). A discharge device (3) is fixed on the side of the mixing device (2) away from the tunneling machine (1).

2. The concrete mixing and distributing device according to claim 1, characterized in that, The stirring device (2) includes a housing (2-5), which is fixed on the mounting plate (5). One or two rows of stirrers (2-2) are arranged inside the housing (2-5). A stirring motor (2-1) that penetrates the housing (2-5) is installed on the top of the stirrer (2-2). An inlet (2-3) is opened at the top of the housing (2-5) of the stirrer (2-2) near the connecting device (4). The unloading device (3) is fixed on the housing (2-5), and an unloading port (2-4) is opened at the top of the housing (2-5) of the unloading device (3).

3. The concrete mixing and placing device according to claim 2, characterized in that, The unloading device (3) includes a fixing block (3-7), which is fixed on the housing (2-5). A support arm (3-8) is fixed to the top of the fixing block (3-7). The support arm (3-8) is connected to the unloading groove (3-1) via a first pin (3-11). A sleeve (3-6) is fixed to the bottom of the fixing block (3-7). A through hole communicating with the sleeve (3-6) is provided on the fixing block (3-7). A horizontal rotating device (3-5) is inserted through the sleeve (3-6) and the through hole. One end of the horizontal rotating device (3-5) extends out of the through hole. 3-5) The other end is connected to a connecting block (3-2). The unloading device (3) also includes a support cylinder (3-3). The connecting block (3-2) is fixed on the outer wall of the support cylinder (3-3). The support cylinder (3-3) is threadedly connected to a telescopic arm (3-4). One end of the telescopic arm (3-4) extends out from the support cylinder (3-3) and is connected to the unloading trough (3-1) through a second pin (3-9). The first pin (3-11) and the second pin (3-9) are connected on the same side of the unloading trough (3-1), and the first pin (3-11) is fixed at the position near the top of the unloading trough (3-1).

4. The concrete mixing and placing device according to any one of claims 1-3, characterized in that, The auxiliary walking device (6) includes several U-shaped wheel frames (6-1), which are fixed side by side at the bottom of the mounting plate (5). Rollers (6-3) are fixed on the U-shaped wheel frames (6-1) via axles (6-2).

5. The concrete mixing and placing device according to any one of claims 1-3, characterized in that, The connecting device (4) includes a first welding block (4-1), which is fixed at the tail of the tunneling machine (1). The first welding block (4-1) is connected to one end of a connecting rod (4-2), and the other end of the connecting rod (4-2) is connected to a second welding block (4-3). The second welding block (4-3) is fixed on the mounting plate (5).

6. The concrete mixing and distributing device according to claim 5, characterized in that, The first welding block (4-1) is connected to the connecting rod (4-2) via the fourth pin (4-4), and the connecting rod (4-2) is connected to the second welding block (4-3) via the fifth pin (4-5).

7. The concrete mixing and placing device according to claim 2, characterized in that, A partition (2-6) is installed between two adjacent agitators (2-2), and a flow port is provided on the partition (2-6).

8. The concrete mixing and distributing device according to claim 3, characterized in that, The horizontal rotating device (3-5) includes a screw (3-5-1), which extends from the sleeve (3-6) and the through hole. One side of the screw (3-5-1) is fixed to the connecting block (3-2) by a third pin (3-5-3). A nut (3-5-2) is installed on the screw (3-5-1) at a position between the connecting block (3-2) and the sleeve (3-6).

9. The concrete mixing and distributing device according to claim 3 or 8, characterized in that, The telescopic arm (3-4) extends from the support cylinder (3-3) at the end away from the unloading chute (3-1) and is connected to a crank handle (3-10).

10. The concrete mixing and distributing device according to claim 3, characterized in that, The telescopic arm (3-4) has external threads, and the support cylinder (3-3) has matching internal threads.

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