CN210319343U - Self-lubricating crane pulley - Google Patents
Self-lubricating crane pulley Download PDFInfo
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- CN210319343U CN210319343U CN201921243724.3U CN201921243724U CN210319343U CN 210319343 U CN210319343 U CN 210319343U CN 201921243724 U CN201921243724 U CN 201921243724U CN 210319343 U CN210319343 U CN 210319343U
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- oil
- pulley
- pipe
- blind hole
- lubricating
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Abstract
The utility model discloses a self-lubricating crane pulley, including pulley shaft and pulley, set up the bearing between pulley and the pulley shaft, every pulley sets up two bearings, be provided with the clearance between two bearings, two bearings and pulley shaft enclose the annular oil storage chamber, the pulley shaft is inside to be provided with the oil feed passageway along the axial, oil feed passageway intercommunication a plurality of inlet ports, the inlet port communicates with oil storage chamber upper portion, oil feed passageway outer end extends to the pulley shaft outside and is connected with the oil tank, oil feed passageway outer end is close to pulley shaft department and is connected with the intake pipe, oil feed passageway outer end is close to the oil tank department and is provided with first valve, the intake pipe is provided with the second valve, pulley shaft is inside still to be provided with the oil extraction passageway along the axial, the oil extraction passageway communicates a plurality of oil extraction holes, the oil extraction hole communicates with oil storage chamber lower; the utility model discloses self-lubricating crane pulley realizes that the pulley bearing is comprehensive lubricated to be convenient for carry out the change of bearing treatment clearance and lubricating oil, improve lubricated effect.
Description
Technical Field
The utility model belongs to the technical field of hoisting equipment, concretely relates to pulley, in particular to self-lubricating crane pulley.
Background
The crane is common mechanical equipment in warehouse, factory building and wharf engineering, a pulley block of the crane is an important component of the crane, the lubrication of the pulley block is one of important works of daily maintenance, the quality of the lubrication condition of the pulley block directly influences the normal operation and service life of the pulley block, and the working safety and the production efficiency of the crane are also influenced profoundly.
The lubricating structure of current hoist pulley generally adopts and offers the oil feed passageway at the pulley shaft, carry out the oiling in the bearing cavity to the pulley, realize the pulley in the operation, the self-lubricate of rotatory in-process, but the long-time use of pulley, can produce certain impurity in the pulley cavity, lubricating oil also can be along with the deterioration of time, need clear up the bearing, and add brand-new lubricating oil, current self-lubricating pulley only has the oil feed structure, be not convenient for clear up, must carry out the dismantlement of pulley during the clearance, it is very inconvenient, waste time and energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a self-lubricating crane pulley solves prior art problem, realizes that the pulley bearing is comprehensive lubricated to be convenient for carry out the change of bearing department clearance and lubricating oil, improve lubricated effect.
In order to achieve the above object, the utility model provides a following technical scheme: a self-lubricating crane pulley comprises a pulley shaft and pulleys, wherein a plurality of pulleys are arranged on the outer side of the pulley shaft in parallel, the pulley shaft penetrates through the middle of each pulley, baffles are arranged at two ends of the pulley shaft, a plurality of shaft sleeves are sleeved on the outer side of the pulley shaft and are respectively arranged between the pulleys and the baffles, bearings are arranged between the pulleys and the pulley shaft, each pulley is provided with two bearings, a gap is formed between each two bearings, the pulleys and the pulley shaft enclose an annular oil storage cavity, an oil inlet channel is axially arranged in the pulley shaft and is communicated with a plurality of oil inlet holes, the oil inlet holes are radially arranged along the pulley shaft and are communicated with the upper part of the oil storage cavity, the outer end of the oil inlet channel extends out of the pulley shaft and is connected with an oil tank, the oil tank is fixed on the outer side of the baffles, an air inlet pipe is, the intake pipe is provided with the second valve, the pulley spindle is inside still to be provided with the oil extraction passageway along the axial, and a plurality of oil extraction holes of oil extraction passageway intercommunication, oil extraction hole along the radial setting of pulley spindle, oil extraction hole and oil storage chamber lower part intercommunication, outside oil extraction passageway outer end extended to the pulley spindle, oil extraction passageway outer end was provided with the third valve.
Preferably, the oil feed passageway includes the blind hole that sets up along the pulley shaft axial and the oil pipe of being connected with the blind hole, oil pipe is the hose, and oil pipe is connected with the blind hole through direct connector, and the blind hole outer end sets up the internal thread, direct connector be provided with internal thread fit's external screw thread, the blind hole with the inlet port intercommunication, oil pipe connection intake pipe and set up first valve.
Preferably, the air inlet pipe is connected with the oil pipe through a tee joint.
Preferably, the oil discharge channel includes the blind hole that sets up along the pulley shaft axial and the oil pipe of being connected with the blind hole, and the blind hole outer end sets up the internal thread, oil pipe be provided with internal thread complex external screw thread, the blind hole with oil discharge hole intercommunication, oil pipe set up the third valve.
Preferably, the oil storage chamber lower part is provided with the extension pipe, and the extension pipe is connected with the oil drain hole, and the oil drain hole outer end is provided with the internal thread, and the extension pipe is provided with the external screw thread with internal thread complex, and the terminal mouth of pipe of extension pipe is located oil storage chamber bottom.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model can pump clean water, cleaning fluid or pump dirty oil and sundries into the pulley bearing cavity through the clearing device arranged in the pulley shaft, and can lead hot air to be quickly dried, thereby realizing the purpose of thoroughly clearing metamorphic grease and impurities in the pulley bearing cavity, facilitating the thorough replacement of lubricating oil and improving the lubricating effect of the pulley of the crane; the utility model discloses an oil feed passageway communicates the upper and lower part in the oil storage chamber respectively with the oil extraction passageway, forms a passageway that can the annular circulation, conveniently carries out the clearance in oil storage chamber, plays crucial effect to the improvement of the lubricated effect of pulley and the safety and stability operation of pulley.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. pulley shaft, 2, baffle, 3, pulley, 4, axle sleeve, 5, bearing, 6, oil storage chamber, 7, oil feed passageway, 8, inlet port, 9, oil tank, 10, intake pipe, 11, oil extraction passageway, 12, oil extraction hole, 13, first valve, 14, second valve, 15, third valve, 16, extension pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the embodiment provides a self-lubricating crane pulley, including a pulley shaft 1 and pulleys 3, a plurality of pulleys 3 are disposed in parallel outside the pulley shaft 1, the pulley shaft 1 penetrates through the middle of the pulleys 3, baffles 2 are disposed at both ends of the pulley shaft 1, a plurality of shaft sleeves 4 are sleeved outside the pulley shaft 1, the shaft sleeves 4 are respectively disposed between the pulleys 3 and between the pulleys 3 and the baffles 2, bearings are disposed between the pulleys 3 and the pulley shaft 1, each pulley 3 is provided with two bearings 5, a gap is disposed between the two bearings 5, the pulleys 3 and the pulley shaft 1 enclose an annular oil storage cavity 6, an oil inlet channel 7 is axially disposed inside the pulley shaft 1, the oil inlet channel 7 is communicated with a plurality of oil inlets 8, the oil inlets 8 are radially disposed along the pulley shaft 1, the oil inlets 8 are communicated with the upper portion of the oil storage cavity 6, the outer end of the oil inlet channel, oil tank 9 is fixed in the 2 outsides of baffle, and 7 outer ends in oil feed passageway are close to 1 department of pulley shaft and are connected with intake pipe 10, and 7 outer ends in oil feed passageway are close to 9 departments of oil tank and are provided with first valve 13, and intake pipe 10 is provided with second valve 14, 1 inside oil extraction passageway 11 that still is provided with along the axial of pulley shaft, a plurality of oil drain holes 12 of oil extraction passageway 11 intercommunication, oil drain hole 12 along 1 radial settings of pulley shaft, oil drain hole 12 and 6 lower part intercommunications in oil storage chamber, and 11 outer ends in oil extraction passageway extend to 1 outside the pulley shaft, and 11 outer ends in oil extraction passageway are provided with third.
In this embodiment, oil feed passageway 7 includes the blind hole that sets up along the pulley shaft 1 axial and the oil pipe of being connected with the blind hole, oil pipe is the hose, and oil pipe is connected with the blind hole through direct connector, and the blind hole outer end sets up the internal thread, direct connector be provided with internal thread fit's external screw thread, the blind hole with inlet port 8 intercommunication, oil pipe connection intake pipe 10 sets up first valve 13.
In this embodiment, the air inlet pipe 10 is connected to an oil pipe through a tee.
In this embodiment, oil extraction passageway 11 includes the blind hole that sets up along pulley shaft 1 axial and the oil pipe of being connected with the blind hole, and the blind hole outer end sets up the internal thread, and oil pipe is provided with the external screw thread with interior screw-thread fit, the blind hole with oil drain hole 12 intercommunication, oil pipe set up third valve 15.
In this embodiment, an extension pipe 16 is arranged on the lower portion of the oil storage cavity 6, the extension pipe 16 is connected with the oil discharge hole 12, an internal thread is arranged at the outer end of the oil discharge hole 12, an external thread matched with the internal thread is arranged on the extension pipe 16, and a pipe orifice at the tail end of the extension pipe 16 is located at the bottom of the oil storage cavity 6. The extension pipe 16 is arranged at the bottom of the oil storage chamber 6 to enable cleaning to be more thorough.
When the utility model is used, the first valve 13 is opened, the second valve 14 and the third valve 15 are closed, the oil tank 9 supplies oil to the oil storage cavity 6 through the oil inlet channel 7, the lubrication of the bearing 5 of the pulley 3 is realized, and the normal operation of the pulley 3 is ensured; when the oil storage cavity 6 and the bearing 5 need to be thoroughly cleaned and changed, the first valve 13 is closed, the second valve 14 and the third valve 15 are opened to form an upper cleaning channel and a lower cleaning channel, cleaning liquid is injected into the oil inlet channel 7 and the oil storage cavity 6 through the air inlet pipe 10, the tail end of an oil pipe of the oil discharge channel 11 is connected with a vacuum pump to pump out decayed grease, impurities and cleaning liquid in the oil storage cavity 6, after a period of time, the injection of the cleaning liquid is stopped, hot air is injected into the oil storage cavity 6 through the air inlet pipe 10, the hot air carries moisture to be discharged from the oil discharge channel 11, after a period of air drying, the second valve 14 and the third valve 15 are closed, the first valve 13 is opened, and new lubricating oil is injected into the oil storage cavity 6; therefore, the oil storage cavity 6 can be cleaned completely quickly without disassembly, and time and labor are saved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a self-lubricating crane pulley, including loose pulley axle and pulley, loose pulley axle outside parallel arrangement has a plurality of pulleys, the loose pulley axle runs through the pulley middle part, the loose pulley axle both ends all are provided with the baffle, loose pulley axle outside cover is equipped with a plurality of axle sleeves, the axle sleeve sets up respectively between pulley and baffle, set up the bearing between pulley and the loose pulley axle, every pulley sets up two bearings, be provided with the clearance between two bearings, two bearings and pulley and loose pulley axle enclose the annular oil storage chamber in city, its characterized in that: the inside oil feed passageway that is provided with along the axial of loose pulley axle, a plurality of inlet ports of oil feed passageway intercommunication, the inlet port radially sets up along the loose pulley axle, inlet port and oil storage chamber upper portion intercommunication, the oil feed passageway outer end extends to the loose pulley axle outside and is connected with the oil tank, the oil tank is fixed in the baffle outside, the oil feed passageway outer end is close to loose pulley axle department and is connected with the intake pipe, the oil feed passageway outer end is close to oil tank department and is provided with first valve, the intake pipe is provided with the second valve, the loose pulley axle is inside still to be provided with oil extraction passageway along the axial, a plurality of oil drain holes of oil extraction passageway intercommunication, oil drain hole along the radial setting of loose pulley axle, oil drain hole and oil storage chamber lower part intercommunication.
2. The self-lubricating crane sheave of claim 1 wherein: the oil inlet channel comprises a blind hole and an oil pipe, the blind hole is axially arranged along the pulley shaft, the oil pipe is connected with the blind hole, the oil pipe is a hose and is connected with the blind hole through a direct connector, an internal thread is arranged at the outer end of the blind hole, the direct connector is provided with an external thread matched with the internal thread, the blind hole is communicated with the oil inlet hole, and the oil pipe is connected with an air inlet pipe and is provided with a first valve.
3. The self-lubricating crane sheave of claim 2 wherein: the air inlet pipe is connected with the oil pipe through a tee joint.
4. The self-lubricating crane sheave of claim 1 wherein: the oil discharge channel comprises a blind hole and an oil pipe, the blind hole is axially arranged along the pulley shaft, the oil pipe is connected with the blind hole, an internal thread is arranged at the outer end of the blind hole, an external thread matched with the internal thread is arranged on the oil pipe, the blind hole is communicated with the oil discharge hole, and the oil pipe is provided with a third valve.
5. The self-lubricating crane sheave of claim 1 wherein: the oil storage chamber lower part is provided with the extension pipe, and the extension pipe is connected with the oil drain hole, and the oil drain hole outer end is provided with the internal thread, and the extension pipe is provided with the external screw thread with internal thread fit, and the terminal mouth of pipe of extension pipe is located oil storage chamber bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243724.3U CN210319343U (en) | 2019-08-02 | 2019-08-02 | Self-lubricating crane pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243724.3U CN210319343U (en) | 2019-08-02 | 2019-08-02 | Self-lubricating crane pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210319343U true CN210319343U (en) | 2020-04-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243724.3U Expired - Fee Related CN210319343U (en) | 2019-08-02 | 2019-08-02 | Self-lubricating crane pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210319343U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646378A (en) * | 2020-04-27 | 2020-09-11 | 国网浙江嘉善县供电有限公司 | Electric pulley capable of being flexibly operated |
| CN111646377A (en) * | 2020-04-27 | 2020-09-11 | 嘉善恒兴电力建设有限公司 | Internal lubricating device of electric pulley |
-
2019
- 2019-08-02 CN CN201921243724.3U patent/CN210319343U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646378A (en) * | 2020-04-27 | 2020-09-11 | 国网浙江嘉善县供电有限公司 | Electric pulley capable of being flexibly operated |
| CN111646377A (en) * | 2020-04-27 | 2020-09-11 | 嘉善恒兴电力建设有限公司 | Internal lubricating device of electric pulley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210802 |