Lubrication method and apparatus, and mixer truck

Abstract

A lubrication method and apparatus, and a mixer truck. The lubrication method is applied to a mixer truck. The mixer truck comprises support rollers (100) and a rolling track (200), wherein outer peripheral surfaces of the support rollers (100) come into contact with an outer peripheral surface of the rolling track (200). The method comprises: acquiring a vibration parameter of support rollers (100); and determining that the vibration parameter is within a set parameter range, and controlling a lubrication apparatus to lubricate at least one of a rolling track (200) and the support rollers (100). By means of the present method, lubrication of a rolling track is automatically controlled by means of vibration detection, thereby reducing the labor of an operator and ensuring personal safety of the operator. Compared with scheduled manual lubrication based on experience, the present method is more accurate, rational, punctual and effective.

Description

Lubrication method, device and mixer truck

[0001] This application claims priority to Chinese patent application No. 202310795688.6, filed on June 30, 2023, the entire contents of which are incorporated herein by reference. Technical Field

[0002] The present application relates to the technical field of operating machinery, and in particular to a lubrication method, device and mixer truck. Background Art

[0003] In order to reduce the friction between the rollers and the supporting wheels during the rotation of the mixer drum, the operator needs to climb to the predetermined position of the mixer truck to apply lubricant to the rollers. This lubrication method increases the operator's workload and poses a hidden danger to the operator's personal safety. Technical issues

[0004] The present application provides a lubrication method, a device and a mixer truck. Technical Solutions

[0005] The present application provides a lubrication method for a mixer truck, wherein the mixer truck includes a supporting wheel and a raceway, wherein the outer peripheral surface of the supporting wheel contacts the outer peripheral surface of the raceway, and the lubrication method includes:

[0006] Obtaining vibration parameters of the supporting roller;

[0007] It is determined that the vibration parameter is within a set parameter range, and a lubrication device is controlled to lubricate at least one of the raceway and the supporting roller.

[0008] According to a lubrication method provided by the present application, the lubrication method further comprises:

[0009] Get the first lubrication time;

[0010] It is determined that the first lubrication time is greater than the second lubrication time, and a vibration parameter of the supporting roller is obtained, where the second lubrication time is the last lubrication time plus a first preset time.

[0011] According to a lubrication method provided by the present application, the vibration parameter includes at least one of a vibration frequency and a vibration amplitude.

[0012] According to a lubrication method provided by the present application, the first preset time is inversely proportional to the vibration parameter.

[0013] According to a lubrication method provided by the present application, the lubrication method further comprises:

[0014] Get the third lubrication time;

[0015] increasing the third lubrication time by a second preset time to obtain a fourth lubrication time;

[0016] It is determined that the current time is equal to the fourth lubrication time, and the lubrication device is controlled to lubricate at least one of the raceway and the supporting roller.

[0017] According to a lubrication method provided by the present application, the second preset time is inversely proportional to the vibration parameter.

[0018] According to a lubrication method provided by the present application, determining that the current time is equal to the fourth lubrication time and controlling the lubrication device to lubricate at least one of the raceway and the supporting roller includes:

[0019] determining that the current time is equal to the fourth lubrication time, and outputting a control signal;

[0020] It is determined that the mixing drum upper part is working, and according to the control signal, the lubrication device is controlled to lubricate at least one of the raceway and the supporting wheel.

[0021] According to a lubrication method provided by the present application, before obtaining the third lubrication time, the method further includes:

[0022] It is determined that the startup time is greater than a fifth lubrication time, and the lubrication device is controlled to lubricate at least one of the raceway and the supporting roller, where the fifth lubrication time is the last lubrication time plus the second preset time.

[0023] The present application also provides a lubricating device, comprising:

[0024] a liquid storage device, wherein the liquid storage device is suitable for containing lubricant;

[0025] a nozzle, one end of which is in communication with the liquid storage device and the other end of which is adapted to face at least one of the raceway and the supporting wheel;

[0026] a pump body, the pump body being arranged on the nozzle;

[0027] A sensor, wherein the sensor is suitable for detecting vibration parameters of the supporting roller;

[0028] The controller is adapted to determine that the vibration parameter is within a set parameter range, and control the pump body to drive the lubricant to be sprayed from the nozzle to at least one of the raceway and the supporting roller.

[0029] The present application also provides a mixer truck, comprising:

[0030] A vehicle body, the vehicle body comprising a vehicle frame, and a raceway and a supporting wheel provided on the vehicle frame, wherein an outer peripheral surface of the supporting wheel contacts an outer peripheral surface of the raceway;

[0031] The lubricating device as described above is arranged on the vehicle frame. Beneficial effects

[0032] The lubrication method provided by the present application is suitable for the lubrication of the roller of a mixer truck. Since the roller supports the roller, when the surface lubrication of the roller and the roller in rolling contact is insufficient, an abnormal noise will be generated, causing a certain degree of vibration when the roller rotates, generating a special vibration signal. Therefore, the vibration of the roller can be detected to control the lubrication of the roller. By detecting the vibration parameters of the roller, the relationship between the vibration parameters and the set parameter range is judged. When it is determined that the vibration parameters are within the set parameter range, the lubrication device is controlled to lubricate at least one of the surface of the roller and the surface of the roller supporting the roller, thereby achieving lubrication of the roller surface, thereby reducing the friction between the roller and the roller.

[0033] This application automatically controls the lubrication of the raceway through vibration detection, eliminating the need for operators to regularly apply grease to the raceway, reducing operator workload and ensuring their personal safety. Furthermore, compared to manual timed lubrication based on experience, the lubrication control of this application is more precise and reasonable. The presence of vibration parameters can more intuitively reflect the degree of friction between the raceway and the supporting roller, allowing the lubrication device to more effectively and timely control the lubrication of the raceway. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] FIG1 is a schematic diagram of a lubrication method according to the present invention;

[0035] FIG2 is a second flow chart of the lubrication method provided by the present application;

[0036] FIG3 is a third flow chart of the lubrication method provided by the present application;

[0037] FIG4 is a schematic diagram of the structure of the lubrication device provided in this application;

[0038] FIG5 is a second structural diagram of the lubrication device provided by the present application;

[0039] FIG6 is a schematic structural diagram of the electronic device provided in this application.

[0040] Reference numerals:

[0041] 100: supporting wheel; 200: rolling path; 300: mixing drum;

[0042] 410: liquid storage device; 420: nozzle; 430: pump body; 440: sensor;

[0043] 500: frame;

[0044] 810: processor; 820: communication interface; 830: memory; 840: communication bus. Modes for Carrying Out the Invention

[0045] To make the objectives, technical solutions, and advantages of this application more clear, the technical solutions of this application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of this application, not all of them. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.

[0046] As shown in FIG1 and FIG2 , an embodiment of the present application provides a lubrication method for a mixer truck, wherein the mixer truck includes a supporting wheel 100 and a raceway 200 , wherein the outer peripheral surface of the supporting wheel 100 contacts the outer peripheral surface of the raceway 200 , including:

[0047] 001, obtain the vibration parameters of the supporting roller 100;

[0048] 002, determine that the vibration parameter is within the set parameter range, and control the lubrication device to lubricate at least one of the raceway 200 and the supporting roller 100.

[0049] The lubrication method of the embodiment of the present application is suitable for lubricating the roller 200 of the mixer truck. Since the roller 100 supports the roller 200, when the surface of the roller 200 and the roller 100 in rolling contact is not lubricated enough, an abnormal noise will be generated, causing a certain degree of vibration when the roller 100 rotates, generating a special vibration signal. Therefore, the vibration of the roller 100 can be detected to control the lubrication of the roller 200. By detecting the vibration parameters of the roller 100, the relationship between the vibration parameters and the set parameter range is judged. When it is determined that the vibration parameters are within the set parameter range, the lubrication device is controlled to lubricate at least one of the surface of the roller 200 and the surface of the roller 100 supporting the roller 200, thereby achieving lubrication of the surface of the roller 200, thereby reducing the friction between the roller 200 and the roller 100.

[0050] This application automatically controls the lubrication of the raceway 200 through vibration detection, eliminating the need for operators to regularly apply grease to the raceway 200, reducing operator workload and ensuring operator safety. Furthermore, compared to manual timed lubrication based on experience, the lubrication control of this application is more precise and reasonable. The presence of vibration parameters can more intuitively reflect the degree of friction between the raceway 200 and the supporting roller 100, allowing the lubrication device to more effectively and timely control the lubrication of the raceway 200.

[0051] In this embodiment, the lubricating device can directly lubricate the surface of the raceway 200, and can also lubricate the surface of the roller 100. Since the roller 100 and the raceway 200 are in rolling contact, the surface of the roller 100 will bring the lubricant to the surface of the raceway 200, thereby achieving lubrication of the surface of the raceway 200. A brush can also be provided on one side of the roller 100, and the lubricating device can also place lubricant on the brush. During the rotation of the raceway 200, the brush contacts the surface of the raceway 200, and the lubricant is brushed onto the surface of the raceway 200 to achieve lubrication. Lubricant can also be sprayed at the contact point between the raceway 200 and the roller 100.

[0052] In this embodiment, the lubrication device may perform the lubrication work for 5 to 6 seconds, that is, the lubrication device is controlled to lubricate at least one of the raceway 200 and the supporting roller 100, and the lubrication is stopped after the lubrication lasts for 5 to 6 seconds.

[0053] According to an embodiment provided by the present application, the lubrication method further includes:

[0054] Get the first lubrication time;

[0055] It is determined that the first lubrication time is greater than the second lubrication time, and the vibration parameter of the supporting wheel 100 is obtained. The second lubrication time is the last lubrication time plus the first preset time.

[0056] In this embodiment, after the lubrication device completes lubrication of the raceway 200, the current lubrication time is recorded as the first lubrication time, and the relationship between the first lubrication time and the second lubrication time is determined. The second lubrication time is the time after adding the first preset time to the last lubrication time adjacent to the current lubrication. When the first lubrication time is greater than the second lubrication time, that is, when the current lubrication is already the lubrication after the first preset time of the last lubrication, it is proved that the current lubrication time has reached the expiration time limit of the lubricant in the last lubrication, so the vibration control lubrication can be continued to be detected, the vibration parameters of the support roller 100 are obtained, and the control cycle is realized. When the first lubrication time is less than or equal to the second lubrication time, that is, when the current lubrication is not the lubrication after the first preset time of the last lubrication, it is proved that the current lubrication time has not yet reached the expiration time limit of the lubricant in the last lubrication, so the vibration control lubrication can be no longer detected.

[0057] By limiting the lubrication time to a first preset time limit of the lubricant expiration time, the timing and frequency of opening the lubrication device are controlled, so as to maximize the effect of each lubrication as much as possible, reduce energy consumption and lubricant waste, and avoid over-lubrication.

[0058] In this embodiment, the first preset time may be 2.5 to 3.5 hours.

[0059] According to an embodiment provided in the present application, the vibration parameters include at least one of the vibration frequency and the vibration amplitude. In this embodiment, the vibration parameters can be one or more of the vibration frequency and the vibration amplitude. The measured vibration frequency is the number of vibrations of the supporting roller 100 per unit time, and the measured vibration amplitude is the degree of displacement of the cylinder of the supporting roller 100 during each vibration. Both the vibration frequency and the vibration amplitude can reflect the vibration condition of the supporting roller 100. The set parameter range corresponds to the corresponding change of the measured vibration parameters, the vibration frequency corresponds to the set frequency parameter range, and the vibration amplitude corresponds to the set amplitude parameter range. When the friction between the raceway 200 and the supporting roller 100 increases to the point where lubrication is required, the vibration frequency and the vibration amplitude may reach their respective corresponding set parameter ranges.

[0060] In this embodiment, only the vibration frequency can be obtained to determine whether the vibration frequency is within the set frequency parameter range, and the lubrication device can be controlled to lubricate. Alternatively, only the vibration amplitude can be obtained to determine whether the vibration amplitude is within the set amplitude parameter range, and the lubrication device can be controlled to lubricate. Alternatively, both the vibration frequency and the vibration amplitude can be obtained, and a control method for the lubrication device can be obtained by comparing them with the set parameter range.

[0061] In this embodiment, the vibration parameter can be received as a vibration frequency signal or a vibration amplitude signal via the vibration sensor 440, a strain gauge, etc.

[0062] According to an embodiment provided by the present application, the first preset time is inversely proportional to the vibration parameter. In this embodiment, the first preset time is an artificially set time for the lubricant to cooperate with the roller 200 and the roller 100 for rotational lubrication, that is, the lubricant failure time, and is inversely proportional to the vibration parameter, that is, the greater the vibration parameter, the greater the friction generated when the roller 200 and the roller 100 rotate, and the shorter the time the lubricant can cooperate with the roller 200 and the roller 100 for rotational lubrication; the smaller the vibration parameter, the smaller the friction generated when the roller 200 and the roller 100 rotate, and the longer the time the lubricant can cooperate with the roller 200 and the roller 100 for rotational lubrication. By regulating the cycle of detecting vibration parameters in this way, it is possible to more reasonably allocate lubricant and select the time to start lubrication, making lubrication control more precise and improving lubrication effect.

[0063] As shown in FIG3 , according to an embodiment provided by the present application, the lubrication method further includes:

[0064] Get the third lubrication time;

[0065] The third lubrication time is increased by the second preset time to obtain a fourth lubrication time;

[0066] It is determined that the current time is equal to the fourth lubrication time, and the lubrication device is controlled to lubricate at least one of the raceway 200 and the supporting roller 100 .

[0067] In this embodiment, in addition to controlling the lubrication device to lubricate the raceway 200 by detecting the vibration of the supporting roller 100, the lubrication device can also be controlled to lubricate the raceway 200 through a timing mechanism. After the lubrication device completes the last lubrication of the raceway 200, the last lubrication time is recorded as the third lubrication time. After adding the second preset time to the third lubrication time, the resulting time is used as the fourth lubrication time. Then, the timing state is entered to determine the relationship between the current lubrication time and the fourth lubrication time. When the current time is equal to the fourth lubrication time, that is, the current time has reached the second preset time after the last lubrication, which proves that the current time has reached the expiration time limit of the lubricant in the last lubrication, so the lubrication device can be controlled to continue lubricating the raceway 200. When the current time is less than the fourth lubrication time, that is, the current time is not after the second preset time after the last lubrication, which proves that the current time has not yet reached the expiration time limit of the lubricant in the last lubrication, so the vibration control lubrication can be discontinued.

[0068] By limiting the lubrication time to a second preset time of the lubricant expiration time, the timing and frequency of opening the lubrication device are controlled, so as to maximize the effect of each lubrication as much as possible, reduce energy consumption and lubricant waste, and avoid over-lubrication.

[0069] In this embodiment, the second preset time may be 4.5 to 5.5 hours.

[0070] According to an embodiment provided by the present application, the second preset time is inversely proportional to the vibration parameter. In this embodiment, the second preset time is an artificially set time for the lubricant to cooperate with the roller 200 and the roller 100 for rotational lubrication, that is, the lubricant failure time, and is inversely proportional to the vibration parameter, that is, the greater the vibration parameter, the greater the friction generated when the roller 200 and the roller 100 rotate, and the shorter the time the lubricant can cooperate with the roller 200 and the roller 100 for rotational lubrication; the smaller the vibration parameter, the smaller the friction generated when the roller 200 and the roller 100 rotate, and the longer the time the lubricant can cooperate with the roller 200 and the roller 100 for rotational lubrication. By regulating the cycle of detecting vibration parameters in this way, it is possible to more reasonably allocate lubricant and select the time to start lubrication, making lubrication control more precise and improving lubrication effect.

[0071] According to an embodiment provided by the present application, determining that the current time is equal to the fourth lubrication time, and controlling the lubrication device to lubricate at least one of the raceway 200 and the supporting roller 100 includes:

[0072] Determining that the current time is equal to the fourth lubrication time, and outputting a control signal;

[0073] It is determined that the mixing drum 300 is in operation, and according to the control signal, the lubrication device is controlled to lubricate at least one of the raceway 200 and the supporting wheel 100 .

[0074] In this embodiment, the relationship between the current lubrication time and the fourth lubrication time is determined. When the current time is equal to the fourth lubrication time, a start control signal for the lubrication device is issued. It is then determined whether the mixing drum 300 is in operation. If the mixing drum 300 is in operation, the lubrication device can be controlled by the control signal to continue lubricating the raceway 200. If the mixing drum 300 is not in operation, vibration detection and lubrication control can be discontinued.

[0075] By limiting the lubrication time to a first preset time limit of the lubricant expiration time and controlling the timing and frequency of opening the lubrication device, a judgment is added on whether the mixing drum 300 is installed and working, and the timing of opening the lubrication device is assisted in controlling, so as to maximize the effect of each lubrication as much as possible, reduce energy consumption and waste of lubricant, and avoid over-lubrication.

[0076] According to an embodiment provided by the present application, before obtaining the third lubrication time, the method further includes:

[0077] It is determined that the startup time is greater than the fifth lubrication time, and the lubrication device is controlled to lubricate at least one of the raceway 200 and the supporting roller 100 , where the fifth lubrication time is the last lubrication time plus the second preset time.

[0078] In this embodiment, before the timing mechanism enters the normal cycle control process, the roller lubrication method also includes an initial lubrication control step when the vehicle is powered on. Specifically, after the vehicle is powered on and starts working, the relationship between the start time and the fifth lubrication time is first determined. The fifth lubrication time is the time after the lubrication device last lubricated the roller 200 before the vehicle stopped working last time, plus the second preset time. When the start time is greater than the fifth lubrication time, that is, the start time is after the second preset time of the last lubrication, it is proved that the start time is already at the time when the lubricant of the last lubrication reached the expiration time limit, so the vibration control lubrication can be continued to be detected to realize the control cycle. When the start time is less than or equal to the fifth lubrication time, that is, the start time is not after the first preset time of the last lubrication, it is proved that the lubricant of the last lubrication has not reached the expiration time limit, so the vibration control lubrication can be stopped.

[0079] In one embodiment, the lubricant flow rate of the lubricating device is proportional to the vibration parameter. The lubricating device is controlled to lubricate at least one of the raceway 200 and the supporting roller 100, that is, the lubricating device sprays lubricant onto the surface of the raceway 200, the surface of the supporting roller 100, or the contact point between the raceway 200 and the supporting roller 100. The lubricant flow rate sprayed by the lubricating device can be changed according to the friction between the raceway 200 and the supporting roller 100. As the vibration parameter increases, the friction is greater, thereby increasing the lubricant flow rate. As the vibration parameter decreases, the friction is smaller, thereby decreasing the lubricant flow rate.

[0080] On the basis of limiting the lubrication time by the lubricant expiration time limit and controlling the timing and frequency of opening the lubrication device, the lubricant flow of the lubrication device is controlled by the vibration condition, so as to maximize the effect of each lubrication, reduce energy consumption and lubricant waste, and avoid over-lubrication.

[0081] In one embodiment, manual control can be added to the timing control process by setting a control button. When a special lubricant needs to be supplied at a certain time point, the lubrication device shown can be started to lubricate the raceway 200.

[0082] The lubrication device and the mixer truck provided in the present application are described below. The lubrication device and the mixer truck described below can be referenced to the lubrication method described above.

[0083] As shown in Figures 4 and 5, an embodiment of the present application also provides a lubrication device, including a liquid storage device 410, a nozzle 420, a pump body 430, a sensor 440 and a controller. The liquid storage device 410 is suitable for holding lubricant; one end of the nozzle 420 is connected to the liquid storage device 410, and the other end is suitable for facing at least one of the raceway 200 and the supporting roller 100; the pump body 430 is arranged on the nozzle 420; the sensor 440 is suitable for detecting the vibration parameters of the supporting roller 100; the controller is suitable for determining that the vibration parameters are within the set parameter range, and controlling the pump body 430 to drive the lubricant to be sprayed from the nozzle 420 to at least one of the raceway 200 and the supporting roller 100.

[0084] The lubrication device of the present embodiment integrates a pump body 430, a liquid storage device 410, a nozzle 420, a sensor 440, and a controller to implement the lubrication method described in the above embodiment. When the lubrication device lubricates the raceway 200, the pump body 430 drives the lubricant in the liquid storage device 410 to be sprayed through the nozzle 420 toward at least one of the raceway 200 and the supporting roller 100. This allows for both regular lubrication of the raceway 200 by spraying lubricant and controlling lubrication of the raceway 200 through vibration detection, effectively avoiding the inconvenience and safety hazards associated with lubricating the raceway 200.

[0085] In this embodiment, the pump body 430 can be a water spray motor, and the controller can be a timing controller.

[0086] An embodiment of the present application also provides a mixer truck, including a vehicle body and a lubrication device as described in the above embodiment. The vehicle body includes a frame 500, and a raceway 200 and a supporting roller 100 arranged on the frame 500. The outer peripheral surface of the supporting roller 100 contacts the outer peripheral surface of the raceway 200; the lubrication device is arranged on the frame 500.

[0087] In this embodiment, the sensor 440 can be arranged on the roller 100, the pump body 430, the liquid storage device 410 and the controller can be arranged on the frame 500, and the spraying end of the nozzle 420 can be directed toward at least one of the surface of the roller 200, the surface of the roller 100 and the contact position between the roller 200 and the roller 100.

[0088] FIG6 illustrates a schematic diagram of the physical structure of an electronic device. As shown in FIG6 , the electronic device may include: a processor 810, a communications interface 820, a memory 830, and a communication bus 840. The processor 810, the communications interface 820, and the memory 830 communicate with each other via the communication bus 840. The processor 810 may invoke logic instructions in the memory 830 to execute the lubrication method.

[0089] In addition, the logical instructions in the above-mentioned memory 830 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present application, or the part that contributes to the existing technology, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program code.

[0090] On the other hand, the present application also provides a computer program product, which includes a computer program stored on a non-transitory computer-readable storage medium, and the computer program includes program instructions. When the program instructions are executed by a computer, the computer can execute the lubrication methods provided by the above methods.

[0091] On the other hand, the present application also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which is used to execute the above-mentioned lubrication methods when the computer program is executed by a processor.

[0092] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Ordinary technicians in this field may modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein, without causing the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A lubrication method for a mixer truck, the mixer truck comprising a supporting wheel and a raceway, the outer peripheral surface of the supporting wheel contacts the outer peripheral surface of the raceway, wherein: The lubrication method comprises: Obtaining vibration parameters of the supporting wheel; It is determined that the vibration parameter is within a set parameter range, and a lubrication device is controlled to lubricate at least one of the raceway and the supporting roller.

2. The lubrication method according to claim 1, wherein: The lubrication method further comprises: Get the first lubrication time; It is determined that the first lubrication time is greater than the second lubrication time, and a vibration parameter of the supporting roller is obtained, wherein the second lubrication time is the last lubrication time plus a first preset time.

3. The lubrication method according to claim 1 or 2, wherein: The vibration parameter includes at least one of a vibration frequency and a vibration amplitude.

4. The lubrication method according to any one of claims 1 to 3, wherein: The first preset time is inversely proportional to the vibration parameter.

5. The lubrication method according to any one of claims 1 to 4, wherein: The lubrication method further comprises: Get the third lubrication time; The third lubrication time is increased by a second preset time to obtain a fourth lubrication time; It is determined that the current time is equal to the fourth lubrication time, and the lubrication device is controlled to lubricate at least one of the raceway and the supporting roller.

6. The lubrication method according to claim 5, wherein: The second preset time is inversely proportional to the vibration parameter.

7. The lubrication method according to claim 5, wherein: Determining that the current time is equal to the fourth lubrication time, and controlling the lubrication device to lubricate at least one of the raceway and the supporting roller comprises: Determine that the current time is equal to the fourth lubrication time, and output a control signal; Determine that the mixer drum is mounted on the mixer and control the lubrication device to lubricate at least one of the raceway and the support roller according to the control signal.

8. The lubrication method according to claim 5, wherein: Before obtaining the third lubrication time, the method further includes: It is determined that the startup time is greater than a fifth lubrication time, and the lubrication device is controlled to lubricate at least one of the raceway and the supporting roller, wherein the fifth lubrication time is the last lubrication time plus the second preset time.

9. A lubrication device, wherein: The lubrication device comprises: A liquid storage device, wherein the liquid storage device is suitable for containing a lubricant; a nozzle, one end of which is in communication with the liquid storage device, and the other end of which is adapted to face at least one of the raceway and the supporting wheel; A pump body, the pump body being arranged on the nozzle; A sensor, wherein the sensor is suitable for detecting a vibration parameter of the supporting wheel; The controller is adapted to determine that the vibration parameter is within a set parameter range, and control the pump body to drive the lubricant to be sprayed from the nozzle to at least one of the raceway and the supporting roller.

10. A mixer truck, wherein: The mixer truck comprises: A vehicle body, the vehicle body comprising a vehicle frame, and a raceway and a supporting wheel arranged on the vehicle frame, wherein an outer peripheral surface of the supporting wheel contacts an outer peripheral surface of the raceway; The lubrication device according to claim 9, wherein the lubrication device is disposed on the frame.

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