A cleaning system is disclosed for cleaning concrete residue from a concrete mixer truck. The cleaning system may include a water delivery system having one or more conduits configured to deliver pressurized water to one or more spray headers positioned at various back-end portions of the truck. The
A cleaning system is disclosed for cleaning concrete residue from a concrete mixer truck. The cleaning system may include a water delivery system having one or more conduits configured to deliver pressurized water to one or more spray headers positioned at various back-end portions of the truck. The cleaning system further includes one or more valves configured to control the flow of pressurized water through the one or more conduits to the one or more spray headers. In various embodiments, the one or more valves are manually operable to control the release of water to the spray headers. In other embodiments, the one or more valves are controlled by a computing device through an electrical coupling such as a communication bus. The cleaning system may be configured to clean different portions of the truck using different sets of spray headers at different times as part of a washing protocol.
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1. A concrete mixer truck, comprising: a chassis assembly that includes a cab and a frame coupled to a rear portion of the cab;a mixing drum coupled to the chassis assembly, wherein the mixing drum is configured to mix input ingredients to produce concrete, and is further configured to discharge the
1. A concrete mixer truck, comprising: a chassis assembly that includes a cab and a frame coupled to a rear portion of the cab;a mixing drum coupled to the chassis assembly, wherein the mixing drum is configured to mix input ingredients to produce concrete, and is further configured to discharge the concrete;a collection hopper positioned to receive concrete discharged from the mixing drum and configured to direct the concrete;a water tank;a water delivery system coupled to the water tank, wherein the water delivery system is configured to remain in place when the concrete mixer truck is in transit, wherein the water delivery system is configured to perform cleaning of concrete residue from the concrete mixer truck, and wherein the water delivery system comprises: a pump configured to receive water from the water tank at a first pressure and pressurize the water to a second, greater pressure;one or more conduits configured to distribute water from the pump;a plurality of valves configured to control flow of water within the one or more conduits;a plurality of spray headers coupled to a rear portion of the concrete mixer truck that is external to the mixing drum, the plurality of spray headers configured to receive water from the one or more conduits and dispense water to clean a portion of the concrete mixer truck; anda computer system programmed with control parameters that include conditions for controlling ones of the plurality of valves during a washing protocol, wherein the computer system is programmed to execute the washing protocol by performing operations that include: opening a particular valve of the plurality of valves specified by the control parameters to dispense water via a first subset of the plurality of spray headers;detecting that a first condition specified by the control parameters has been met, wherein the first condition relates to completion of use of the particular valve;in response to detecting that the first condition has been met, closing the particular valve;subsequently opening a different valve of the plurality of valves specified by the control parameters to dispense water via a second, different subset of the plurality of spray headers; andcontrolling turning of the mixing drum while cleaning a rear portion of the mixing drum. 2. The concrete mixer truck of claim 1, wherein the computer system is further programmed to initiate execution of the washing protocol in response to detecting that the mixing drum has completed loading or unloading. 3. The concrete mixer truck of claim 1, wherein the computer system is further programmed to initiate execution of the washing protocol in response to detecting that a parking brake of the concrete mixer truck is applied and that the concrete mixer truck is in neutral gear. 4. The concrete mixer truck of claim 1, wherein the first condition specifies a first length of time during which to dispense pressurized water via the first subset of the plurality of spray headers during execution of the washing protocol. 5. The concrete mixer truck of claim 1, wherein the first condition specifies a first volume of water to dispense via the first subset of spray headers during execution of the washing protocol. 6. The concrete mixer truck of claim 1, wherein the computer system is further programmed with second control parameters that include conditions for controlling ones of the plurality of valves during a second, different washing protocol. 7. The concrete mixer truck of claim 1, wherein the computer system is further programmed to control revolutions per minute of an engine of the concrete mixer truck. 8. The concrete mixer truck of claim 1, wherein the water delivery system includes a user interface configured to receive a selection of the washing protocol from a plurality of washing protocols. 9. The concrete mixer truck of claim 1, wherein the computer system is further programmed to initiate the washing protocol without direct human intervention. 10. A concrete mixer truck, comprising: a chassis assembly that includes a cab and a frame coupled to a rear portion of the cab;a mixing drum coupled to the chassis assembly, wherein the mixing drum is configured to mix input ingredients to produce concrete, and is further configured to discharge the concrete;a discharge assembly positioned to receive the concrete from the mixing drum and configured to direct the concrete;a water delivery system configured to remain in place when the concrete mixer truck is in transit, wherein the water delivery system is configured to perform cleaning of concrete residue from the concrete mixer truck, and wherein the water delivery system comprises: one or more conduits configured to distribute water;a plurality of valves that are configured to control flow of the water within the one or more conduits;a plurality of spray headers coupled to the concrete mixer truck external to the mixing drum and operable to dispense the water from the one or more conduits to clean a portion of the concrete mixer truck, wherein a first subset of the plurality of spray headers is controlled by a particular valve, and a second subset of the plurality of spray headers is controlled by a different valve; anda computing device programmed with control parameters that include conditions for controlling ones of the plurality of valves during execution of a washing protocol, wherein the computing device is programmed to execute the washing protocol by performing operations that include: opening the particular valve to dispense water via the first subset of the plurality of spray headers;detecting that a first condition specified by the control parameters has been met, wherein the first condition relates to completion of use of the particular valve;in response to detecting the first condition, closing the particular valve;subsequently opening the different valve to dispense water via the second subset of the plurality of spray headers; andcontrolling turning of the mixing drum while dispensing water via at least one of the first or the second subsets of the plurality of spray headers. 11. The concrete mixer truck of claim 10, wherein the first subset of the plurality of spray headers is configured to clean a first region of the portion of the concrete mixer truck from a plurality of different directions. 12. The concrete mixer truck of claim 10, further comprising a camera configured to provide an image or a video of a portion of a rear portion of the concrete mixer truck. 13. The concrete mixer truck of claim 10, wherein one or more of the plurality of spray headers are coupled to at least one bracket, and wherein the concrete mixer truck further comprises at least one guard element configured to protect one or more of the plurality of spray headers when the concrete mixer truck is in transit. 14. The concrete mixer truck of claim 10, further comprising a pump configured to draw water from a water tank at a first pressure, pressurize the water to a second, greater pressure, and output water at the second, greater pressure to the one or more conduits. 15. The concrete mixer truck of claim 10, wherein one or more of the plurality of spray headers is operable to dispense water from the one or more conduits according to the control parameters to clean a charge hopper of the concrete mixer truck. 16. The concrete mixer truck of claim 10, wherein the computing device is further configured to monitor an amount of water dispensed into the mixing drum by the plurality of spray headers during execution of the washing protocol. 17. The concrete mixer truck of claim 10, wherein one or more of the plurality of valves includes a pneumatic component. 18. The concrete mixer truck of claim 10, wherein the water delivery system includes a user interface configured to receive a selection of the washing protocol from a plurality of washing protocols. 19. The concrete mixer truck of claim 18, wherein at least two of the plurality of washing protocols correspond to different types of concrete. 20. The concrete mixer truck of claim 1, wherein the first and second subsets of spray headers are different in that no spray header in the first subset is also in the second subset. 21. The concrete mixer truck of claim 6, wherein the washing protocol and the second, different washing protocol are for washing different types of concrete. 22. The concrete mixer truck of claim 1, wherein the computer system is programmed to automatically initiate the washing protocol based on detection of a predetermined condition and without requiring operator input. 23. The concrete mixer truck of claim 22, wherein the predetermined condition is programmed into the computer system, and relates to a state of the mixing drum. 24. The concrete mixer truck of claim 10, wherein the first subset of the plurality of spray headers includes one or more spray headers configured to clean a rear portion of the mixing drum. 25. The concrete mixer truck of claim 24, wherein the rear portion of the mixing drum includes at least one of: a portion of one or more drum blades; ora portion of a shell of the mixing drum. 26. The concrete mixer truck of claim 24, wherein the computing device is further programmed to execute the washing protocol by performing operations that include: controlling turning of the mixing drum while cleaning the rear portion of the mixing drum with the first subset of the plurality of spray headers. 27. The concrete mixer truck of claim 10, wherein the controlling turning of the mixing drum includes controlling a rotation speed of the mixing drum. 28. The concrete mixer truck of claim 10, wherein the second subset of the plurality of spray headers is different than the first subset of the plurality of spray headers. 29. The concrete mixer truck of claim 28, wherein the first and second subsets of spray headers are different in that no spray header in the first subset is also in the second subset. 30. The concrete mixer truck of claim 10, wherein the computing device is programmed to automatically initiate the washing protocol based on detection of a predetermined condition and without requiring operator input.
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이 특허에 인용된 특허 (12)
Thomas G. Harmon, Apparatus and method for removing concrete from interior surfaces of a concrete mixing drum.
Cooley, Roy; Compton, John I.; Topputo, Michael; Verdino, Steve; Brickler, Jerold; Fitzpatrick, Robert B.; Peters, Mark E., Method and system for calculating and reporting slump in delivery vehicles.
Sakamoto Norio,JPX, Method of and device for improving the quality of fresh concrete and preventing adhesion and hardening of the fresh concrete in a mixer drum of a concrete mixer truck or of a concrete mixing plant.
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