Pipe blocking prevention device for pump truck

Abstract

The utility model discloses a pipe blocking prevention device for a pump truck, which relates to the technical field of engineering machinery and comprises a bent pipe and a delivery pipe, a mounting hole is arranged at the bend of the bent pipe, a connecting pipe is fixed on the outer side of the mounting hole, a support block is inserted at the upper end of the inner wall of the connecting pipe in a sliding manner, and the lower end face of the support block is connected with an elastic support component. A fixing cylinder is installed on the side wall of the bent pipe, and one end of the fixing cylinder is connected with a pulse valve. In the utility model, the pressure sensor is used for detecting the pressure generated by the material at the outlet of the conveying pipe and transmitting the pressure information to the controller, when the pressure is reduced, the material is blocked at the bent pipe, the controller controls the pulse valve and the electromagnetic vibrator to be intermittently opened and closed, and the electromagnetic vibrator drives the support spring and the electromagnetic vibrator to vibrate; and meanwhile, the high-pressure gas intermittently enters the fixed cylinder, and impact waves generated by the high-pressure gas impact the blocked materials, so that the problem of pipeline blockage can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery technical field especially relates to a pump truck is with anti -blocking pipe device. BACKGROUND

[0002] Pump truck is widely used in building site, bridge tunnel and other engineering fields as a commonly used concrete conveying equipment. However, in the actual use process, the bend of pump truck conveying pipeline is prone to blockage, which seriously affects the construction efficiency, and even causes safety accidents. The existing anti-blocking pipe device mostly adopts vibration, knocking and other ways, which has problems of poor effect and inconvenient operation, therefore, the present application provides a pump truck is with anti -blocking pipe device. SUMMARY

[0003] In view of the deficiency of prior art, the utility model provides a pump truck is with anti -blocking pipe device, through pressure sensor detects the pressure that material produces at the outlet of conveying pipe, transmits pressure information to controller, when pressure changes, it shows that material produces blockage at the elbow, controller controls the intermittent opening and closing of pulse valve and electromagnetic vibrator, electromagnetic vibrator drives support spring and electromagnetic vibrator vibration, auxiliary elbow material flow, at the same time, high pressure gas is intermittently into fixed cylinder, and the shock wave generated by high pressure gas impacts the blocked material, which can effectively solve the problem of pipeline blockage and overcome the deficiency of prior art.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A pump truck is with anti -blocking pipe device, including elbow and conveying pipe, the bend of the elbow is provided with mounting hole, the outer side of mounting hole is fixed with connecting pipe, the inner wall of connecting pipe is slidably inserted with supporting block, the lower end surface of supporting block is connected with elastic support assembly, the side wall of elbow is provided with fixed cylinder, one end of fixed cylinder is connected with pulse valve.

[0006] As a further scheme of the utility model: one end of the pulse valve is connected with high pressure gas pipe, one end of the high pressure gas pipe is connected to the high pressure gas pump, and the fixed cylinder is connected with the inside of the elbow.

[0007] As a further scheme of the utility model: the elastic support assembly includes support spring welded on the lower end surface of the supporting block, one end of the support spring is connected with connecting plate, the connecting plate is clamped on the inner wall of the connecting pipe, and the electromagnetic vibrator is installed on the lower end surface of the connecting plate.

[0008] As a further scheme of the utility model: the lower end surface of the connecting plate is fixed with L-shaped connecting piece, the lower end of the connecting pipe is fixed with two connecting ears, and the two L-shaped connecting pieces are connected with the two connecting ears through bolts.

[0009] As a further scheme of the utility model: the end of the supporting block towards the inside of the elbow pipe is provided with a groove which is same as the arc of the inner wall of the elbow pipe.

[0010] As a further scheme of the utility model: the fixed hole is arranged on the conveying pipe near the outlet, the pressure sensor is installed at the fixed hole, the probe of the pressure sensor is located inside the conveying pipe, and the pressure sensor, the pulse valve and the electromagnetic vibrator are electrically connected to the controller installed on the pump truck.

[0011] The utility model has the advantages of:

[0012] The pressure sensor detects the pressure generated by the material at the outlet of the conveying pipe, transmits the pressure information to the controller, and when the pressure decreases, it indicates that the material is blocked at the elbow pipe, the controller controls the intermittent opening and closing of the pulse valve and the electromagnetic vibrator, the electromagnetic vibrator drives the supporting spring and the electromagnetic vibrator to vibrate, and the material flow at the elbow pipe is assisted, at the same time, the high-pressure gas is intermittently introduced into the fixed cylinder, the shock wave generated by the high-pressure gas impacts the blocked material, and the problem of pipeline blockage can be effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model provides a first perspective three-dimensional structure schematic diagram of a pump truck anti-blocking pipe device.

[0014] Figure 2 The utility model provides a second perspective three-dimensional structure schematic diagram of a pump truck anti-blocking pipe device.

[0015] Figure 3 The utility model provides a partial section structure schematic diagram of a pump truck anti-blocking pipe device.

[0016] Figure 4 The utility model provides a pump truck anti-blocking pipe device Figure 3 The utility model provides a first perspective three-dimensional structure schematic diagram of a pump truck anti-blocking pipe device.

[0017] In the figure: 1, elbow pipe; 2, conveying pipe; 3, connecting pipe; 4, fixed cylinder; 5, high-pressure gas pipe; 6, pulse valve; 7, pressure sensor; 8, connecting plate; 9, electromagnetic vibrator; 10, L-shaped connecting piece; 11, supporting block; 12, mounting hole; 13, groove; 14, fixed hole; 15, supporting spring. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] Embodiment 1, refer toFigures 1-4 A pump truck anti-blocking pipe device includes a bend 1 and a delivery pipe 2. An installation hole 12 is provided at the bend of the bend 1. A connecting pipe 3 is fixed to the outside of the installation hole 12. A support block 11 is slidably inserted into the upper end of the inner wall of the connecting pipe 3. An elastic support component is connected to the lower end face of the support block 11. A fixing cylinder 4 is installed on the side wall of the bend 1. A pulse valve 6 is connected to one end of the fixing cylinder 4.

[0020] One end of the pulse valve 6 is connected to a high-pressure air pipe 5, and one end of the high-pressure air pipe 5 is connected to a high-pressure air pump. The fixed cylinder 4 is connected to the inside of the bend pipe 1.

[0021] The elastic support assembly includes a support spring 15 welded to the lower end face of the support block 11. One end of the support spring 15 is connected to a connecting plate 8. The connecting plate 8 is snapped into the inner wall of the connecting pipe 3. An electromagnetic vibrator 9 is installed in the middle of the lower end face of the connecting plate 8.

[0022] The lower end face of the connecting plate 8 is symmetrically fixed with an L-shaped connector 10, and the lower end of the connecting pipe 3 is symmetrically fixed with two connecting ears. The two L-shaped connectors 10 are respectively connected to the two connecting ears by bolts.

[0023] The end of the support block 11 facing the inside of the bend 1 is provided with a groove 13 that has the same arc shape as the inner wall of the bend 1.

[0024] A fixing hole 14 is provided on the conveying pipe 2 near the outlet. A pressure sensor 7 is installed at the fixing hole 14. The probe of the pressure sensor 7 is located inside the conveying pipe 2. The pressure sensor 7, the pulse valve 6 and the electromagnetic vibrator 9 are all electrically connected to the controller installed on the pump truck.

[0025] Working principle: After assembling the bend 1 and the conveying pipe 2, it can be used. The pressure sensor 7 detects the pressure generated by the material at the outlet of the conveying pipe 2 and transmits the pressure information to the controller. When the pressure decreases, it indicates that the material is blocked at the bend 1. The controller controls the pulse valve 6 and the electromagnetic vibrator 9 to open and close intermittently. The electromagnetic vibrator 9 drives the support spring 15 and the electromagnetic vibrator 9 to vibrate, assisting the material flow at the bend 1. At the same time, high-pressure gas intermittently enters the fixed cylinder 4. The shock wave generated by the high-pressure gas impacts the blocked material, which can effectively solve the pipeline blockage problem. Among them, the pulse valve 6 is an electromagnetic pulse valve. The pressure sensor 7, the pulse valve 6 and the electromagnetic vibrator 9 are all powered by the pump truck.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A pump truck anti-clogging pipe device, comprising a bend (1) and a delivery pipe (2), characterized in that, The bend of the pipe (1) is provided with an installation hole (12), and a connecting pipe (3) is fixed on the outside of the installation hole (12). A support block (11) is slidably inserted into the upper end of the inner wall of the connecting pipe (3). An elastic support component is connected to the lower end face of the support block (11). A fixing cylinder (4) is installed on the side wall of the bend (1), and a pulse valve (6) is connected to one end of the fixing cylinder (4).

2. The anti-blocking pipe device for a pump truck according to claim 1, characterized in that, One end of the pulse valve (6) is connected to a high-pressure air pipe (5), and one end of the high-pressure air pipe (5) is connected to a high-pressure air pump. The fixed cylinder (4) is connected to the inside of the bend pipe (1).

3. The anti-blocking pipe device for a pump truck according to claim 1, characterized in that, The elastic support assembly includes a support spring (15) welded to the lower end face of the support block (11). One end of the support spring (15) is connected to a connecting plate (8). The connecting plate (8) is snapped into the inner wall of the connecting pipe (3). An electromagnetic vibrator (9) is installed in the middle of the lower end face of the connecting plate (8).

4. The anti-clogging pipe device for a pump truck according to claim 3, characterized in that, The lower end face of the connecting plate (8) is symmetrically fixed with an L-shaped connector (10), and the lower end of the connecting pipe (3) is symmetrically fixed with two connecting ears. The two L-shaped connectors (10) are respectively connected to the two connecting ears by bolts.

5. The anti-blocking pipe device for a pump truck according to claim 1, characterized in that, The support block (11) has a groove (13) at one end facing the inside of the bend (1) that is the same as the arc of the inner wall of the bend (1).

6. The anti-blocking pipe device for a pump truck according to claim 3, characterized in that, A fixing hole (14) is provided on the conveying pipe (2) near the outlet. A pressure sensor (7) is installed in the fixing hole (14). The probe of the pressure sensor (7) is located inside the conveying pipe (2). The pressure sensor (7), pulse valve (6) and electromagnetic vibrator (9) are all electrically connected to the controller installed on the pump truck.

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