Grease filling device

Abstract

The utility model discloses a grease filling device which is applied to grease filling of a bearing and comprises an oil gun, an oil distributor and a plurality of bearing grease filling pipes. The oil inlet end of the oil distributor can be connected to an oil gun, the oil inlet ends of the multiple bearing oil injection pipes are connected to the oil outlet end of the oil distributor, and the oil outlet ends of the multiple bearing oil injection pipes can be connected to injection holes of corresponding bearings. According to the technical scheme, the oil gun, the oil distributor and the multiple bearing oil filling pipes are arranged, the oil distributor plays a role in uniformly distributing oil, it is guaranteed that the amount of grease injected into each bearing oil filling pipe in unit time is the same, then it is guaranteed that the amount of grease injected into each filling hole is the same, and the phenomenon of uneven grease filling is avoided; grease can be injected into the multiple filling holes at the same time, work efficiency is improved, and cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of grease filling, in particular to a grease filling device. Background Art

[0002] At present, the variable pitch bearings, yaw bearings, and main shaft bearings of wind turbines are not equipped with automatic grease filling machines. The operation and maintenance personnel directly fill grease into the filling holes of the bearings one by one. During this work process, it is difficult to achieve uniform filling of each filling hole through manual visual control. Therefore, there is a common phenomenon of uneven grease filling in the filling holes, and the work process is inefficient. Utility Model Content

[0003] In view of this, the utility model provides a grease filling device, which ensures that the amount of grease injected into the filling hole of each bearing is the same, while improving work efficiency.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A grease filling device is used for grease filling of bearings, comprising: an oil gun, an oil distributor and a plurality of bearing oil filling pipes;

[0006] The oil inlet end of the oil separator can be connected to the oil gun, the oil inlet ends of the multiple bearing oil filling pipes are connected to the oil outlet end of the oil separator, and the oil outlet ends of the multiple bearing oil filling pipes can be connected to the filling holes of the corresponding bearings.

[0007] Preferably, each of the bearing oil filling pipes comprises: a plurality of bearing oil filling pipe monomers connected in sequence;

[0008] The oil inlet end of the first bearing oil filling tube monomer among the multiple bearing oil filling tube monomers is connected to the oil outlet end of the oil distributor, and the oil outlet end of the last bearing oil filling tube monomer among the multiple bearing oil filling tube monomers can be connected to the filling hole of the bearing.

[0009] Preferably, the connection between each of the bearing oil filling pipe monomers is a detachable connection.

[0010] Preferably, it also includes: a plurality of oil distributor oil pipes;

[0011] The oil separator is provided with a plurality of oil outlet ends;

[0012] The oil inlet end of each oil distributor oil pipe is connected to the oil outlet end of the corresponding oil distributor, and the oil outlet end of each oil distributor oil pipe is connected to the oil inlet end of the corresponding bearing oil filling pipe.

[0013] Preferably, the oil outlet end of each oil distributor oil pipe is a grease nipple interface, and the oil inlet end of each bearing oil filling pipe is a grease nipple;

[0014] Each of the grease nipples can be snap-fitted into the corresponding grease nipple interface.

[0015] Preferably, it also includes: a first oil gun oil pipe;

[0016] The oil separator comprises: a first oil separator and a second oil separator;

[0017] The first oil gun oil pipe is provided with two oil outlet ends, which are respectively connected to the oil inlet end of the first oil separator and the oil inlet end of the second oil separator. The oil outlet end of the first oil separator and the oil outlet end of the second oil separator are respectively connected to the corresponding oil inlet ends of the bearing oil filling pipe. The oil inlet end of the first oil gun oil pipe can be connected to the oil gun.

[0018] Preferably, the number of the bearing oil filling pipes is six;

[0019] Three of the six bearing oil filling pipes are connected to the first oil distributor, and the other three of the six bearing oil filling pipes are connected to the second oil distributor.

[0020] Preferably, it also includes: a fixing plate;

[0021] The first oil separator and the second oil separator are respectively fixed to two ends of the fixing plate.

[0022] Preferably, it further comprises: a first fastener and a second fastener;

[0023] The first oil separator is provided with a first connecting hole, the second oil separator is provided with a second connecting hole, and the two ends of the fixing plate are respectively provided with a third connecting hole and a fourth connecting hole;

[0024] The first fastener passes through the first connecting hole and the third connecting hole, and the second fastener passes through the second connecting hole and the fourth connecting hole, so as to fix the first oil separator and the second oil separator to the two ends of the fixing plate respectively.

[0025] Preferably, it also includes: a second oil gun oil pipe;

[0026] The oil gun can be connected to the first oil gun oil pipe through the second oil gun oil pipe.

[0027] It can be seen from the above technical scheme that the grease filling device provided by the utility model, this technical scheme, is arranged through an oil gun, an oil separator and multiple bearing oil filling pipes. The oil separator plays a role of uniform oil distribution, ensuring that the amount of grease injected into each bearing oil filling pipe per unit time is the same, thereby ensuring that the amount of grease injected into each filling hole is the same, avoiding the occurrence of uneven grease filling. The arrangement of multiple bearing oil filling pipes makes it possible to inject grease into multiple filling holes at the same time, thereby improving work efficiency and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 A schematic diagram of the overall structure of the grease filling device provided in the embodiment of the utility model;

[0030] Figure 2 A schematic diagram of the structure of the oil separator provided in the embodiment of the utility model connected with other components;

[0031] Figure 3 A schematic structural diagram of a bearing oil filling pipe monomer provided in an embodiment of the utility model.

[0032] Wherein, 1 is an oil separator, 11 is an oil pipe of the oil separator, 111 is a grease nipple interface, 12 is a first oil separator, and 13 is a second oil separator;

[0033] 2 is a bearing oil filling pipe, 21 is a bearing oil filling pipe monomer, 211 is a grease nipple; 3 is a first oil gun oil pipe; 4 is a fixing plate; 5 is a second oil gun oil pipe; 6 is a pipe connector. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] The grease filling device provided in the embodiment of the utility model is applied to grease filling of bearings, such as Figure 1-Figure 3 As shown, it includes: an oil gun, an oil distributor 1 and a plurality of bearing oil filling pipes 2;

[0036] The oil inlet end of the oil separator 1 can be connected to an oil gun, the oil inlet ends of the plurality of bearing oil filling pipes 2 are all connected to the oil outlet end of the oil separator 1, and the oil outlet ends of the plurality of bearing oil filling pipes 2 can all be connected to the filling holes of the corresponding bearings.

[0037] In the above technical solution, grease is injected into the oil separator 1 through an oil gun, and the grease is injected from the oil separator 1 into the bearing oil filling pipe 2, and then injected into the bearing to be filled with grease through the filling hole; of course, the oil separator 1 plays a role in evenly distributing the oil, ensuring that the amount of grease injected into each bearing oil filling pipe 2 per unit time is the same, and then ensuring that the amount of grease injected into each filling hole is the same, avoiding the occurrence of uneven grease filling; in addition, the provision of multiple bearing oil filling pipes 2 makes it possible to inject grease into multiple filling holes at the same time, thereby improving work efficiency and saving costs.

[0038] Compared with the prior art (the phenomenon of uneven grease filling in the filling holes and low work efficiency), this technical solution, through the arrangement of an oil gun, an oil distributor 1 and multiple bearing oil filling pipes 2, ensures that the amount of grease injected into each filling hole is the same, avoids uneven grease filling, and improves work efficiency.

[0039] Preferably, the bearings mentioned in the present application are not limited to wind turbine pitch bearings, yaw bearings, and direct-drive unit main shaft bearings; in addition, the connection between the oil outlet end of the bearing oil filling pipe 2 and the filling hole can be snap-fitted or threaded.

[0040] In some embodiments, Figure 1 As shown, each bearing oil filling pipe 2 comprises: a plurality of bearing oil filling pipe monomers 21 connected in sequence;

[0041] The oil inlet end of the first bearing oil filling tube monomer 21 among the multiple bearing oil filling tube monomers 21 is connected to the oil outlet end of the oil distributor 1, and the oil outlet end of the last bearing oil filling tube monomer 21 among the multiple bearing oil filling tube monomers 21 can be connected to the filling hole of the bearing.

[0042] In the above scheme, by setting up multiple bearing oil filling tube monomers 21, the number of bearing oil filling tube monomers 21 can be selected according to the actual working conditions (the distance between the oil distributor and the filling hole) to adjust the overall length of the bearing oil filling tube 2.

[0043] Preferably, the connection between each bearing oil filling tube monomer 21 is a detachable connection; of course, the connection between multiple bearing oil filling tube monomers 21 is a threaded connection, or a snap-on connection, so as to facilitate adjustment of the overall length of the bearing oil filling tube 2 according to needs; in addition, each bearing oil filling tube monomer 21 can also be connected by a pipe connector 6; it should also be noted that a sealing structure is provided at the connection between each bearing oil filling tube monomer 21 to prevent oil leakage.

[0044] In some embodiments, Figure 1 and Figure 2 As shown, it also includes: a plurality of oil distributor oil pipes 11;

[0045] The oil separator 1 is provided with a plurality of oil outlets;

[0046] The oil inlet end of each oil distributor oil pipe 11 is connected to the oil outlet end of the corresponding oil distributor 1 , and the oil outlet end of each oil distributor oil pipe 11 is connected to the oil inlet end of the corresponding bearing oil filling pipe 2 .

[0047] In the above scheme, by setting up multiple oil separator oil pipes 11 and multiple oil outlet ends (referring to the oil outlet end of the oil separator 1), the grease injected from the oil separator 1 into the oil separator oil pipe 11 is spatially independent and does not affect each other, thereby ensuring that the grease injected into the oil separator oil pipe 11 is the same.

[0048] As a preferred example, Figure 2 and Figure 3 As shown, the oil outlet end of each oil distributor oil pipe 11 is a grease nipple interface 111, and the oil inlet end of each bearing oil filling pipe 2 is a grease nipple 211;

[0049] Each grease nipple 211 can be snap-fitted into the corresponding grease nipple interface 111 .

[0050] In the above scheme, the bearing oil filling pipe 2 is connected to the grease nipple interface 111 of the oil distributor oil pipe through the grease nipple 211. Such a setting plays a role of quick connection; in addition, the grease nipple interface can be a flat-head grease gun head oil filling port.

[0051] In some embodiments, Figure 2 As shown, it also includes: a first oil gun oil pipe 3;

[0052] The oil separator 1 comprises: a first oil separator 12 and a second oil separator 13;

[0053] The first oil gun oil pipe 3 is provided with two oil outlet ends, which are respectively connected to the oil inlet end of the first oil separator 12 and the oil inlet end of the second oil separator 13. The oil outlet end of the first oil separator 12 and the oil outlet end of the second oil separator 13 are respectively connected to the oil inlet end of the corresponding bearing oil filling pipe 2. The oil inlet end of the first oil gun oil pipe 3 can be connected to the oil gun.

[0054] In the above scheme, by providing the first oil gun oil pipe 3, grease can be injected into the first oil distributor 12 and the second oil distributor 13 at the same time, which is beneficial to the uniform distribution of the grease.

[0055] As a preferred example, Figure 1 and Figure 2 As shown, the number of bearing oil filling pipes 2 is six;

[0056] Three of the six bearing oil filling pipes 2 are connected to the first oil distributor 12, and the other three of the six bearing oil filling pipes 2 are connected to the second oil distributor 13;

[0057] In the above scheme, the setting of six bearing oil filling pipes 2 meets work requirements and improves work efficiency; three bearing oil filling pipes 2 are connected to the first oil distributor 12, and three bearing oil filling pipes 2 are connected to the second oil distributor 13, which is conducive to the uniform distribution of grease; as a preferred embodiment, the specific number of bearing oil filling pipes 2 can be set according to the specific number of filling holes of the actual bearing. The best choice is that the specific number of bearing oil filling pipes is equal to the specific number of filling holes. With this setting, the bearing can be filled with grease at one time.

[0058] As a preferred example, Figure 1 and Figure 2 As shown, it also includes: a fixing plate 4;

[0059] The first oil separator 12 and the second oil separator 13 are respectively fixed to the two ends of the fixing plate 4. Fixing the first oil separator 12 and the second oil separator 13 by the fixing plate 4 is beneficial to the stability of the structure of the grease filling device and to improving work efficiency.

[0060] Further, such as Figure 1 and Figure 2 As shown, it also includes: a first fastener and a second fastener;

[0061] The first oil separator 12 is provided with a first connecting hole, the second oil separator 13 is provided with a second connecting hole, and the two ends of the fixing plate 4 are respectively provided with a third connecting hole and a fourth connecting hole;

[0062] The first fastener passes through the first connecting hole and the third connecting hole, and the second fastener passes through the second connecting hole and the fourth connecting hole, so as to fix the first oil separator 12 and the second oil separator 13 to the two ends of the fixing plate 4 respectively.

[0063] In the above technical solution, the connection and fixation are achieved by setting the connection holes and the fasteners, which is beneficial to improving the work efficiency; in addition, the number of the fixing plates 4 is multiple, which is more conducive to the stability of the structure.

[0064] Furthermore, the first fastener and the second fastener are both bolts, and / or

[0065] The first fastener and the second fastener are both screws.

[0066] In the above technical solution, the bolts and screws are industrial products, which is conducive to cost reduction.

[0067] In some embodiments, it further includes: a second oil gun oil pipe 5;

[0068] The oil gun can be connected to the first oil gun oil pipe 3 via the second oil gun oil pipe 5 .

[0069] In the above technical solution, the second oil gun oil pipe 5 is provided to provide a certain buffering effect on the injection of grease; in addition, the second oil gun oil pipe 5 and the first oil gun oil pipe 3 are threadedly connected or clamped.

[0070] The technical features mentioned above, the technical features to be mentioned below, and the technical features shown separately in the drawings can be combined with each other arbitrarily, as long as the combined technical features are not contradictory. All feasible feature combinations are technical contents clearly recorded in this article. Any of the multiple sub-features contained in the same sentence can be applied independently, and does not have to be applied together with other sub-features.

[0071] The present invention is further described below in conjunction with specific embodiments:

[0072] In this scheme, if Figure 1-Figure 3 As shown, first, the second oil gun oil pipe 5, the first oil gun oil pipe 3, the oil separator 1, the oil separator oil pipe 11 and the bearing oil filling pipe 2 are connected in sequence to form a grease filling device; when it is necessary to inject grease into the bearing, the oil gun injects grease into the second oil gun oil pipe 5, and the grease passes through the second oil gun oil pipe 5, the first oil gun oil pipe 3, the oil separator 1, the oil separator oil pipe 11 and the bearing oil filling pipe 2 in sequence, and then is injected into the filling hole of the bearing; wherein, the second oil gun oil pipe 5, the first oil gun oil pipe 3, the oil separator 11 and the bearing oil filling pipe 2 are all soft hoses; the grease uses tubular finished oil, which is installed in the oil gun filling pipe and can be replaced with grease after use.

[0073] In some embodiments, the single bearing support of the generator has a diameter of nearly 2m, and the diameter of the pitch bearing is nearly 2.4m. Multi-tube grease is added to the main shaft-generator bearing, and multi-tube grease is added to the pitch bearing; bearing grease filling is to ensure its filling effect and prevent its accumulation. The main shaft-generator bearing is in a vertical state. There are a total of 16 filling holes. Considering the bearing height, tube hole replacement, and grease filling amount, it is physical labor to complete the main shaft-generator bearing grease filling according to the maintenance technical requirements; for the pitch bearing grease filling, the double-row bearing has a total of 18 filling holes. No matter what position the hub is locked in, personnel need to climb over the pitch shaft cabinet and complete the grease filling in an extremely uncomfortable position.

[0074] Through the grease filling device of this scheme, grease can be injected into the 16 filling holes of the main shaft-generator shaft, and grease can also be injected into the 18 filling holes of the double-row bearings at the same time, which simplifies the difficulty of grease filling. The staff can choose a suitable body position, reduce labor intensity, and improve work efficiency. At the same time, the grease filling is more uniform to ensure the process requirements.

[0075] In some embodiments, the grease filling device only requires one person to fill grease in each area. During the filling process, the personnel only need to observe the grease filling situation appropriately, and have time to complete the preparation work for grease filling in the next part, effectively reducing the grease filling time, reducing the number of workers, and greatly improving the working efficiency. When performing grease filling operations before, due to the characteristics of the working environment of the wind turbine itself, the operators need to fill grease at oil filling holes in different positions. This process takes a long time and it is difficult for people to stand. There are safety hazards such as high labor intensity and easy falls.

[0076] By using the grease filling device, personnel can complete the grease filling operation in a suitable position and in a more comfortable posture, which greatly reduces the labor intensity of the operators; of course, the grease filling device has a simple structure, fewer parts, and the parts are all detachably connected; therefore, the grease filling device is also portable.

[0077] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0078] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A grease filling device, used for grease filling of bearings, characterized in that: include: An oil gun, an oil distributor (1) and a plurality of bearing oil filling pipes (2); The oil inlet end of the oil separator (1) can be connected to the oil gun, the oil inlet ends of the plurality of bearing oil filling pipes (2) are connected to the oil outlet end of the oil separator (1), and the oil outlet ends of the plurality of bearing oil filling pipes (2) can be connected to the filling holes corresponding to the bearings.

2. The grease filling device according to claim 1, characterized in that: Each of the bearing oil injection pipes (2) comprises: a plurality of bearing oil injection pipe monomers (21) connected in sequence; The oil inlet end of the first bearing oil filling tube monomer (21) among the plurality of bearing oil filling tube monomers (21) is connected to the oil outlet end of the oil distributor (1), and the oil outlet end of the last bearing oil filling tube monomer (21) among the plurality of bearing oil filling tube monomers (21) can be connected to the filling hole of the bearing.

3. The grease filling device according to claim 2, characterized in that: The connection between each of the bearing oil filling pipe monomers (21) is a detachable connection.

4. The grease filling device according to claim 1, characterized in that: Also includes: A plurality of oil distributor oil pipes (11); The oil separator (1) is provided with a plurality of oil outlet ends; The oil inlet end of each oil separator oil pipe (11) is connected to the oil outlet end of the corresponding oil separator (1), and the oil outlet end of each oil separator oil pipe (11) is connected to the oil inlet end of the corresponding bearing oil filling pipe (2).

5. The grease filling device according to claim 4, characterized in that: The oil outlet end of each oil distributor oil pipe (11) is a grease nipple interface (111), and the oil inlet end of each bearing oil filling pipe (2) is a grease nipple (211); Each of the grease nipples (211) can be snap-fitted into the corresponding grease nipple interface (111).

6. The grease filling device according to claim 1, characterized in that: Also includes: First oil gun oil pipe (3); The oil separator (1) comprises: a first oil separator (12) and a second oil separator (13); The first oil gun oil pipe (3) is provided with two oil outlet ends, which are respectively connected to the oil inlet end of the first oil distributor (12) and the oil inlet end of the second oil distributor (13); the oil outlet end of the first oil distributor (12) and the oil outlet end of the second oil distributor (13) are respectively connected to the corresponding oil inlet end of the bearing oil filling pipe (2); the oil inlet end of the first oil gun oil pipe (3) can be connected to the oil gun.

7. The grease filling device according to claim 6, characterized in that: The number of the bearing oil filling pipes (2) is six; Three of the six bearing oil filling pipes (2) are connected to the first oil distributor (12), and the other three of the six bearing oil filling pipes (2) are connected to the second oil distributor (13).

8. The grease filling device according to claim 6, characterized in that: Also includes: Fixed plate (4); The first oil separator (12) and the second oil separator (13) are respectively fixed to two ends of the fixing plate (4).

9. The grease filling device according to claim 8, characterized in that: Also includes: a first fastener and a second fastener; The first oil separator (12) is provided with a first connecting hole, the second oil separator (13) is provided with a second connecting hole, and the two ends of the fixing plate (4) are respectively provided with a third connecting hole and a fourth connecting hole; The first fastener passes through the first connecting hole and the third connecting hole, and the second fastener passes through the second connecting hole and the fourth connecting hole, so as to respectively fix the first oil separator (12) and the second oil separator (13) to the two ends of the fixing plate (4).

10. The grease filling device according to claim 6, characterized in that: Also includes: A second oil gun oil pipe (5); The oil gun can be connected to the first oil gun oil pipe (3) via the second oil gun oil pipe (5).

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