Automatic grease injection equipment for hub bearing

Abstract

The utility model provides automatic grease injection equipment for a hub bearing, which relates to the technical field of hub bearings and comprises an integral structure and moving structures, and the moving structures are positioned at the front and rear positions of two sides of the bottom of the integral structure; the integral structure comprises a bottom plate, the top of the bottom plate is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with an oil storage tank, and the center of the inner top of the oil storage tank is rotationally connected with a rotating shaft. The rotating shaft can rotate through the servo motor, and the rotating shaft drives the stirring rod and the heating belt to rotate, so that the heating belt and the stirring rod can stir grease and additives in the grease storage tank, the grease and the additives are mixed more uniformly, and the situation that the grease and the additives need to be pre-stirred in advance is avoided; and the grease can be heated, so that the problem that the grease needs to be heated before being injected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub bearings, in particular to automatic grease injection equipment for wheel hub bearings. Background Art

[0002] The wheel hub bearing unit is developed on the basis of standard angular contact ball bearings and tapered roller bearings. It integrates two sets of bearings into one unit and has the advantages of good assembly performance, no need for clearance adjustment, light weight, compact structure, large load capacity, grease can be pre-loaded for sealed bearings, no need for external wheel hub seals and no maintenance.

[0003] When using the existing automatic grease injection equipment, additives need to be added to increase the properties of the grease. However, since the grease is in a relatively thick state, and most of the existing equipment cannot stir the grease well, a stirring step needs to be performed in advance. This makes the grease not well mixed with the additives, resulting in a more complicated injection process, which affects the quality of the subsequent grease injection. Therefore, we propose a wheel hub bearing grease automatic injection equipment to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that additives need to be added to increase the properties of grease in the prior art, but since the grease is in a relatively thick state and most of the existing equipment cannot stir the grease well, a stirring step needs to be performed in advance, which makes the grease unable to be well mixed with the additive, resulting in a more complicated injection process and affecting the quality of the subsequent injected grease. An automatic wheel hub bearing grease injection device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a wheel hub bearing grease automatic injection device, comprising an overall structure and a mobile structure, wherein the mobile structure is located at the front and rear positions of both sides of the bottom of the overall structure;

[0006] The overall structure includes a base plate, a connecting plate is fixedly connected to the top of the base plate, an oil storage tank is fixedly connected to the top of the connecting plate, a rotating shaft is rotatably connected to the inner top center of the oil storage tank, a stirring rod is fixedly connected to the bottom end face of the rotating shaft, a plurality of evenly distributed heating belts are fixedly installed on the outer surface of the stirring rod, a servo motor is fixedly installed on the top of the oil storage tank at the position of the rotating shaft, a grease pump is fixedly installed at the bottom center of the oil storage tank, and a delivery pipeline is provided through the bottom center of the grease pump.

[0007] Preferably, a feed pipe is provided through one side of the top of the oil storage tank, and a control panel is fixedly mounted on one side of the front outer surface of the oil storage tank.

[0008] Preferably, one end of the rotating shaft passes through the surface of the oil storage tank and is fixedly connected to the output end of the servo motor, and the other end of the rotating shaft is fixedly connected to the top surface of the stirring rod.

[0009] Preferably, a flow sensor is fixedly installed on one side of the outer surface of the delivery pipeline near the top, and a pressure sensor is fixedly installed on the other side of the outer surface of the delivery pipeline near the top.

[0010] Preferably, a workbench is fixedly installed at the top center of the base plate, and a wheel hub bearing body is arranged on the top of the workbench.

[0011] Preferably, the movable structure comprises a connecting rod, and a movable wheel is fixedly connected to the bottom end surface of the connecting rod.

[0012] Preferably, the top end surface of the connecting rod is fixedly connected to the bottom surface of the bottom plate.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, when grease and additives are added into the oil storage tank through the feed pipe, the rotating shaft can be rotated by the servo motor, and the rotating shaft drives the stirring rod and the heating belt to rotate, so that the heating belt and the stirring rod can stir the grease and additives in the oil storage tank, so that the two are mixed more evenly, avoiding the need for pre-stirring in advance, and the setting of the heating belt can realize that the grease can be heated when rotating, solving the problem of heating before grease injection.

[0015] 2. In the utility model, the grease pump, the delivery pipeline, the pressure sensor and the flow sensor cooperate with each other to facilitate monitoring of the flow in the delivery pipeline, thereby calculating the injection amount of grease and monitoring the pressure changes in the delivery pipeline. Through the cooperation of the control panel, the injection amount and speed of grease can be monitored to ensure that the appropriate amount of grease is injected into the wheel hub bearing, and the grease injection can be stopped in time to avoid excessive or insufficient grease. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a wheel hub bearing grease automatic injection device;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a workbench and a wheel hub bearing body;

[0018] Figure 3 It is a three-dimensional structural diagram of a grease pump, a delivery pipeline, a pressure sensor and a flow sensor;

[0019] Figure 4It is a schematic diagram of the three-dimensional structure of the rotating shaft, stirring rod and heating belt.

[0020] Legend: 1. Overall structure; 2. Moving structure; 101. Bottom plate; 102. Connecting plate; 103. Control panel; 104. Oil storage tank; 105. Servo motor; 106. Feed pipe; 107. Workbench; 108. Hub bearing body; 109. Grease pump; 110. Delivery pipeline; 111. Flow sensor; 112. Pressure sensor; 113. Rotating shaft; 114. Stirring rod; 115. Heating belt; 201. Connecting rod; 202. Moving wheel. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 4 As shown, an automatic grease injection device for a wheel hub bearing comprises an overall structure 1 and a mobile structure 2, wherein the mobile structure 2 is located at front and rear positions on both sides of the bottom of the overall structure 1; the overall structure 1 comprises a bottom plate 101, a connecting plate 102 is fixedly connected to the top of the bottom plate 101, an oil storage tank 104 is fixedly connected to the top of the connecting plate 102, a rotating shaft 113 is rotatably connected to the inner top center of the oil storage tank 104, a stirring rod 114 is fixedly connected to the bottom end surface of the rotating shaft 113, a plurality of uniformly distributed heating belts 115 are fixedly installed on the outer surface of the stirring rod 114, a servo motor 105 is fixedly installed at the top of the oil storage tank 104 at the position of the rotating shaft 113, a grease pump 109 is fixedly installed at the bottom center of the oil storage tank 104, and a conveying pipe 110 is penetrated through the bottom center of the grease pump 109.

[0024] The effect achieved by the entire embodiment 1 is as follows: Figure 1 , Figure 3 and Figure 4 As shown, when the rotating shaft 113 is rotated by the servo motor 105, the stirring rod 114 and the heating belt 115 are driven to rotate, and the stirring rod 114 can stir the oil and additives in the oil storage tank 104 so that the two can be fully mixed, and the heating belt 115 can heat the oil, thereby achieving the effect that the oil can be injected at any time without preheating.

[0025] Embodiment 2, as Figure 1-Figure 4 As shown, a feed pipe 106 is provided through one side of the top of the oil storage tank 104, a control panel 103 is fixedly installed on one side of the front outer surface of the oil storage tank 104, one end of the rotating shaft 113 passes through the surface of the oil storage tank 104 and is fixedly connected to the output end of the servo motor 105, and the other end of the rotating shaft 113 is fixedly connected to the top surface of the stirring rod 114, a flow sensor 111 is fixedly installed on one side of the outer surface of the conveying pipeline 110 near the top position, and a pressure sensor 112 is fixedly installed on the other side of the outer surface of the conveying pipeline 110 near the top position, a workbench 107 is fixedly installed at the top center of the bottom plate 101, and a hub bearing body 108 is provided on the top of the workbench 107, and the moving structure 2 includes a connecting rod 201, and the bottom end surface of the connecting rod 201 is fixedly connected to the moving wheel 202, and the top end surface of the connecting rod 201 is fixedly connected to the bottom surface of the bottom plate 101.

[0026] The effect achieved by the entire embodiment 2 is as follows: Figure 2 As shown, in actual use, a sensor is provided on the workbench 107, and the control panel 103 determines whether grease needs to be added to the hub bearing body 108 based on the feedback from the sensor. When necessary, the grease pump 109 is started through the control panel 103, and the grease can be transported through the delivery pipe 110, and finally the grease can be transported to the lubrication part of the hub bearing body 108, so that the grease is automatically injected into the hub bearing body 108, and through the mutual cooperation of the connecting rod 201 and the moving wheel 202, it is convenient for the user to move the whole to any location, thereby improving the overall flexibility.

[0027] Working principle: After the user pours the additive and grease into the oil storage tank 104 through the feed pipe 106, the rotating shaft 113 is rotated by the servo motor 105, and the rotating shaft 113 drives the stirring rod 114 and the heating belt 115 to rotate, so that the stirring rod 114 can stir the grease and additive in the oil storage tank 104, so that the two are mixed more evenly, and the heating belt 115 can heat the grease, avoiding the need for pre-heating during subsequent injection. Figure 2As shown, in actual use, a sensor is provided on the workbench 107. When the control panel 103 determines that the hub bearing body 108 needs to be added with grease according to the feedback of the sensor, the control panel 103 starts the grease pump 109 to draw the grease in the oil storage tank 104 into the delivery pipe 110. The grease is transported through the delivery pipe 110 and finally can be transported to the lubrication part of the hub bearing body 108, so that the grease is automatically injected into the hub bearing body 108. During the injection process, through the cooperation of the control panel 103, the flow sensor 111 and the pressure sensor 112, the injection amount and speed of the grease can be monitored to ensure that the appropriate amount of grease is injected into the hub bearing body 108, and the grease injection can be stopped in time.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A wheel hub bearing grease automatic injection device, characterized in that: include: An overall structure (1) and a movable structure (2), wherein the movable structure (2) is located at front and rear positions on both sides of the bottom of the overall structure (1); The overall structure (1) comprises a bottom plate (101), a connecting plate (102) is fixedly connected to the top of the bottom plate (101), an oil storage tank (104) is fixedly connected to the top of the connecting plate (102), a rotating shaft (113) is rotatably connected to the center of the inner top of the oil storage tank (104), a stirring rod (114) is fixedly connected to the bottom end surface of the rotating shaft (113), a plurality of uniformly distributed heating belts (115) are fixedly installed on the outer surface of the stirring rod (114), a servo motor (105) is fixedly installed at the top of the oil storage tank (104) at the position of the rotating shaft (113), a grease pump (109) is fixedly installed at the center of the bottom of the oil storage tank (104), and a conveying pipeline (110) is provided through the center of the bottom of the grease pump (109).

2. The automatic wheel hub bearing grease injection device according to claim 1 is characterized in that: A feed pipe (106) is provided through one side of the top of the oil storage tank (104), and a control panel (103) is fixedly mounted on one side of the front outer surface of the oil storage tank (104).

3. The automatic wheel hub bearing grease injection device according to claim 1 is characterized in that: One end of the rotating shaft (113) penetrates the surface of the oil storage tank (104) and is fixedly connected to the output end of the servo motor (105), and the other end of the rotating shaft (113) is fixedly connected to the top surface of the stirring rod (114).

4. The automatic wheel hub bearing grease injection device according to claim 1 is characterized in that: A flow sensor (111) is fixedly mounted on one side of the outer surface of the delivery pipeline (110) near the top, and a pressure sensor (112) is fixedly mounted on the other side of the outer surface of the delivery pipeline (110) near the top.

5. The automatic wheel hub bearing grease injection device according to claim 1, characterized in that: A workbench (107) is fixedly installed at the top center of the bottom plate (101), and a wheel hub bearing body (108) is arranged on the top of the workbench (107).

6. The automatic wheel hub bearing grease injection device according to claim 1, characterized in that: The mobile structure (2) comprises a connecting rod (201), and a moving wheel (202) is fixedly connected to the bottom end surface of the connecting rod (201).

7. The automatic wheel hub bearing grease injection device according to claim 6, characterized in that: The top end surface of the connecting rod (201) is fixedly connected to the bottom surface of the bottom plate (101).

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