Special control device for concrete flow of concrete tank truck

Abstract

The utility model relates to the technical field of accessory devices of concrete tank trucks, in particular to a special control device for concrete flow of a concrete tank truck, which can accurately control the flow through machinery during discharging of the concrete tank truck, and can manually open and close a valve when a motor is damaged, so that the concrete flow of the concrete tank truck can be accurately controlled. The special control device for the concrete flow of the concrete tank truck prevents the situation that the concrete cannot be discharged from the stirring tank due to closing of the valve, so that the practicability is enhanced. Comprising a flow control pipeline and a hose, a communication assembly is arranged at the top end of the flow control pipeline, an electric valve assembly is arranged at the left end of the flow control pipeline, a mounting assembly is arranged at the right end of the flow control pipeline, and the bottom of the flow control pipeline is communicated with the hose in a sleeving mode; the electric valve assembly comprises a protection box, a rotating rod, a valve, a first gear, a motor and a second gear. The left end of the flow control pipeline is connected with the protection box.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete tank truck attachments, in particular to a special concrete flow control device for a concrete tank truck. Background Art

[0002] As we all know, concrete mixer trucks are special trucks used to transport concrete for construction. Due to its appearance, they are often called snail trucks. These trucks are equipped with cylindrical mixing drums to transport the mixed concrete. During the transportation process, the mixing drum is always kept rotating to ensure that the transported concrete does not solidify. After the concrete is transported, the inside of the mixing drum is usually rinsed with water to prevent the hardened concrete from taking up space.

[0003] Traditional concrete tank trucks generally require manual control of the handle to control the discharge valve, which is time-consuming and labor-intensive, and is not easy to open for those with less strength, and the manual adjustment accuracy is not high. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a concrete flow control device for a concrete tank truck, which can accurately control the flow rate through machinery when discharging concrete, and when the motor is damaged, the valve can be opened and closed manually, so as to prevent the concrete from being unable to be discharged from the mixing tank due to the closure of the valve, thereby enhancing the practicality of the concrete flow control device for the concrete tank truck.

[0005] The utility model discloses a special concrete flow control device for a concrete tank truck, comprising a flow control pipeline and a hose, wherein a connecting component is arranged at the top of the flow control pipeline, an electric valve component is arranged at the left end of the flow control pipeline, a mounting component is arranged at the right end of the flow control pipeline, the bottom of the flow control pipeline is connected with the hose set, the electric valve component comprises a protection box, a rotating rod, a valve, a first gear, a motor and a second gear, the left end of the flow control pipeline is connected with the protection box, a cover plate component is arranged at the right end of the protection box, a chamber is arranged at the left end of the protection box, a rotating rod bearing seal is inserted into the flow control pipeline, the right end of the rotating rod is connected with the valve, the left end of the rotating rod is connected with the first gear, the bottom end of the chamber is connected with the motor, the output end of the motor is connected with the second gear, the second gear is meshed with the tooth surface of the first gear, and a manual rotating component is arranged at the right end of the chamber.

[0006] Preferably, the cover plate assembly also includes a cover plate and four groups of first screws, the left end of the protective box is provided with four groups of mounting threaded holes, the left end of the cover plate is provided with a mounting through hole, and the four groups of first screws are threadedly connected with the mounting threaded holes through the mounting through holes respectively.

[0007] Preferably, the manual rotating assembly includes a rotating block, a rotating rod, a third gear, a clamping block, an external rod and a support plate, a first through hole is provided at the left end of the cover plate, the first through hole is connected to the rotating block bearing, the right end of the rotating block is connected to the rotating rod, the right end of the rotating rod is connected to the third gear, the third gear is meshed with the tooth surface of the first gear, a square clamping groove is provided at the left end of the rotating block, the square clamping groove is clamped with the clamping block, the left end of the clamping block is connected to the external rod, the left end of the external rod is connected to the support plate, and a handle rod is provided on the support plate.

[0008] Preferably, it further comprises two groups of clips, the rear end of the flow control pipe is provided with a hidden groove, the front end of the hidden groove is connected to the two groups of clips, and the two groups of clips are clamped with the external rod.

[0009] Preferably, the connecting component includes a cover, four groups of second screws and a No. 1 discharge pipe, four groups of fixed threaded holes are arranged at the top of the flow control pipe, four groups of fixed through holes are arranged at the top of the cover, the four groups of second screws are threadedly connected with the fixed threaded holes through the fixed through holes respectively, and a feed port is arranged at the top of the cover, which is connected to the discharge pipe set.

[0010] Preferably, the bottom end of the cover is connected to the sealing gasket.

[0011] Preferably, the mounting assembly includes a support column and a mounting plate, the right end of the flow control pipe is connected to the support column, the right end of the support column is connected to the mounting plate, and the left end of the mounting plate is provided with four groups of second through holes.

[0012] Preferably, the four groups of installation through holes and the four groups of fixing through holes are all configured as countersunk holes.

[0013] Compared with the prior art, the utility model has the following beneficial effects: first, the flow control pipeline is installed on the concrete tank truck through the installation component, and then connected with the discharge pipe through the connecting component. After that, when discharging concrete, the second gear can be driven to rotate by the motor, thereby driving the first gear and the rotating rod to rotate through the second gear, thereby driving the valve to open, and then the concrete flows out from the flow control pipeline, so that the valve is accurately opened by the motor, thereby controlling the accurate outflow of concrete, and when the motor is damaged, the valve can be opened by manually rotating the component, thereby enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the connection structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the connection structure between the motor output end and the second gear of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the rotating rod and the first gear of the utility model;

[0017] Figure 4 It is a schematic diagram of the enlarged structure of the A part of the utility model;

[0018] Markings in the accompanying drawings: 1. flow control pipe; 2. hose; 3. protection box; 4. rotating rod; 5. valve; 6. first gear; 7. motor; 8. second gear; 10. cover plate; 11. first screw; 12. rotating block; 13. rotating rod; 14. third gear; 15. clamping block; 16. external rod; 17. support plate; 18. clip; 19. cover; 20. second screw; 21. discharge pipe; 22. sealing gasket; 23. support column; 24. mounting plate; 30. chamber. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figures 1 to 4 As shown, a concrete flow control device dedicated for a concrete tank truck of the utility model comprises a flow control pipeline 1 and a hose 2, a connecting component is arranged at the top of the flow control pipeline 1, an electric valve component is arranged at the left end of the flow control pipeline 1, a mounting component is arranged at the right end of the flow control pipeline 1, the bottom of the flow control pipeline 1 is connected with the hose 2 in a set, the electric valve component comprises a protection box 3, a rotating rod 4, a valve 5, a first gear 6, a motor 7 and a second gear 8, the left end of the flow control pipeline 1 is connected with the protection box 3, the right end of the protection box 3 is provided with a cover plate component, the left end of the protection box 3 is provided with a chamber 30, the bearing seal of the rotating rod 4 is inserted into the flow control pipeline 1, the right end of the rotating rod 4 is connected with the valve 5, and the left end of the rotating rod 4 is connected with the first A gear 6 is connected, the bottom end of the chamber 30 is connected to the motor 7, the output end of the motor 7 is connected to the second gear 8, the second gear 8 is meshed with the tooth surface of the first gear 6, and a manual rotating component is provided at the right end of the chamber 30; first, the flow control pipeline is installed on the concrete tank truck through the installation component, and then connected with the discharge pipe through the connecting component, and then when the concrete is discharged, the second gear can be driven by the motor to rotate, thereby driving the first gear and the rotating rod to rotate through the second gear, thereby driving the valve to open, and then the concrete flows out from the flow control pipeline, so that the valve is accurately opened by the motor, thereby controlling the accurate outflow of concrete, and when the motor is damaged, the valve can be opened by the manual rotating component, thereby enhancing practicality.

[0021] As a preferred embodiment of the above embodiment, the cover assembly includes a cover 10 and four groups of first screws 11, the left end of the protective box 3 is provided with four groups of mounting threaded holes, the left end of the cover 10 is provided with a mounting through hole, and the four groups of first screws 11 are threadedly connected with the mounting threaded holes through the mounting through holes respectively; the cover can be installed by the four groups of first screws, so that the manual rotating assembly can be installed, thereby enhancing practicality.

[0022] As a preferred embodiment of the above embodiment, the manual rotating assembly includes a rotating block 12, a rotating rod 13, a third gear 14, a clamping block 15, an external rod 16 and a support plate 17. A first through hole is provided at the left end of the cover plate 10, and the first through hole is connected to the bearing of the rotating block 12. The right end of the rotating block 12 is connected to the rotating rod 13, and the right end of the rotating rod 13 is connected to the third gear 14. The third gear 14 is meshed with the tooth surface of the first gear 6. A square clamping groove is provided at the left end of the rotating block 12, and the square clamping groove is clamped with the clamping block 15. The left end of the clamping block 15 is connected to the external rod 16, and the left end of the external rod 16 is connected to the support plate 17. A handle rod is provided on the support plate 17. When the motor is damaged, the clamping block on the external rod can be inserted into the square clamping groove, and then the external rod is rotated by the handle rod and the support plate, so as to drive the third gear to rotate, and the first gear is driven to rotate by the third gear, so as to open and close the valve, thereby enhancing practicality.

[0023] As a preferred embodiment of the above embodiment, two groups of clips 18 are further included. A hidden groove is provided at the rear end of the flow control pipe 1. The front end of the hidden groove is connected to the two groups of clips 18. The two groups of clips 18 are clamped with the external rod 16. The external rod can be clamped by the two groups of clips to hide it, thereby enhancing practicality.

[0024] As a preferred embodiment of the above embodiment, the connecting component includes a cover 19, four groups of second screws 20 and a discharge pipe 21. The top of the flow control pipe 1 is provided with four groups of fixed threaded holes, the top of the cover 19 is provided with four groups of fixed through holes, the four groups of second screws 20 are threadedly connected with the fixed threaded holes through the fixed through holes respectively, and the top of the cover 19 is provided with a feed port, which is fittedly connected to the discharge pipe 21; the discharge pipe can be connected to the flow control pipe through the cover, thereby enhancing practicality.

[0025] As a preferred embodiment of the above embodiment, the bottom end of the cover 19 is connected to the sealing gasket 22; the sealing gasket can enhance the sealing between the cover and the flow control pipe, thereby enhancing practicality.

[0026] As a preferred embodiment of the above embodiment, the mounting assembly includes a support column 23 and a mounting plate 24, the right end of the flow control pipe 1 is connected to the support column 23, the right end of the support column 23 is connected to the mounting plate 24, and the left end of the mounting plate 24 is provided with four groups of second through holes; the flow control pipe can be connected to the concrete tank truck through the support column and the mounting plate, thereby enhancing practicality.

[0027] As a preference of the above embodiment, the four groups of installation through holes and the four groups of fixing through holes are all configured as countersunk holes; the four groups of first screws and the four groups of second screws can be hidden through the countersunk holes, thereby enhancing practicality.

[0028] The utility model discloses a special concrete flow control device for a concrete tank truck. Its working principle is as follows: when working, firstly, a flow control pipeline is installed on the concrete tank truck through a support column, a mounting plate and screws, and then the flow control pipeline is connected with the discharge pipe through a cover, and then when discharging concrete, a second gear can be driven to rotate by a motor, thereby driving a first gear and a rotating rod to rotate through the second gear, thereby driving a valve to open, and then concrete flows out of the flow control pipeline, so that the valve is accurately opened by the motor, thereby controlling the accurate outflow of concrete, and when the motor is damaged, the external connecting rod that is clamped can be removed, and then clamped through a clamping block and a square clamping groove, and then the third gear is rotated by a handle bar and a support plate, thereby driving the first gear and the rotating rod to rotate, thereby opening or closing the valve, thereby preventing the concrete in the concrete tank truck from being unable to be discharged when the motor is damaged.

[0029] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

[0030] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A concrete flow control device for a concrete tank truck, comprising a flow control pipe (1) and a hose (2), wherein a connecting component is arranged at the top of the flow control pipe (1), an electric valve component is arranged at the left end of the flow control pipe (1), a mounting component is arranged at the right end of the flow control pipe (1), and the bottom of the flow control pipe (1) is connected to the hose (2) in a sleeve; characterized in that: The electric valve assembly comprises a protection box (3), a rotating rod (4), a valve (5), a first gear (6), a motor (7) and a second gear (8); the left end of the flow control pipe (1) is connected to the protection box (3); the right end of the protection box (3) is provided with a cover plate assembly; the left end of the protection box (3) is provided with a chamber (30); the bearing seal of the rotating rod (4) is inserted into the flow control pipe (1); the right end of the rotating rod (4) is connected to the valve (5); the left end of the rotating rod (4) is connected to the first gear (6); the bottom end of the chamber (30) is connected to the motor (7); the output end of the motor (7) is connected to the second gear (8); the second gear (8) meshes with the tooth surface of the first gear (6); and the right end of the chamber (30) is provided with a manual rotation assembly.

2. A concrete flow control device for a concrete tank truck as claimed in claim 1, characterized in that: The cover plate assembly comprises a cover plate (10) and four groups of first screws (11); the left end of the protective box (3) is provided with four groups of mounting threaded holes; the left end of the cover plate (10) is provided with a mounting through hole; the four groups of first screws (11) are respectively threadedly connected to the mounting threaded holes through the mounting through holes.

3. A concrete flow control device for a concrete tank truck as claimed in claim 2, characterized in that: The manual rotating assembly comprises a rotating block (12), a rotating rod (13), a third gear (14), a clamping block (15), an external rod (16) and a support plate (17). The left end of the cover plate (10) is provided with a first through hole, the first through hole is connected to the bearing of the rotating block (12), the right end of the rotating block (12) is connected to the rotating rod (13), the right end of the rotating rod (13) is connected to the third gear (14), the third gear (14) is meshed with the tooth surface of the first gear (6), the left end of the rotating block (12) is provided with a square clamping groove, the square clamping groove is clamped with the clamping block (15), the left end of the clamping block (15) is connected to the external rod (16), the left end of the external rod (16) is connected to the support plate (17), and a handle rod is provided on the support plate (17).

4. A concrete flow control device for a concrete tank truck as claimed in claim 3, characterized in that: It also comprises two groups of clips (18), the rear end of the flow control pipe (1) is provided with a hidden groove, the front end of the hidden groove is connected to the two groups of clips (18), and the two groups of clips (18) are clamped to the external rod (16).

5. A concrete flow control device for a concrete tank truck as claimed in claim 4, characterized in that: The connecting component comprises a cover (19), four sets of second screws (20) and a discharge pipe (21). The top of the flow control pipe (1) is provided with four sets of fixed threaded holes, the top of the cover (19) is provided with four sets of fixed through holes, the four sets of second screws (20) are respectively threadedly connected to the fixed threaded holes through the fixed through holes, and the top of the cover (19) is provided with a feed port, which is sleeve-connected to the discharge pipe (21).

6. A concrete flow control device for a concrete tank truck as claimed in claim 5, characterized in that: The bottom end of the cover (19) is connected to the sealing gasket (22).

7. A concrete flow control device for a concrete tank truck as claimed in claim 6, characterized in that: The mounting assembly comprises a support column (23) and a mounting plate (24); the right end of the flow control pipe (1) is connected to the support column (23); the right end of the support column (23) is connected to the mounting plate (24); and the left end of the mounting plate (24) is provided with four groups of second through holes.

8. A concrete flow control device for a concrete tank truck as claimed in claim 7, characterized in that: The four groups of installation through holes and the four groups of fixing through holes are all configured as countersunk holes.

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