Forced lubrication device for crane travelling mechanism

By designing a forced lubrication device that automatically injects lubricating oil and cleans impurities, the problem of insufficient lubrication of the crane's traveling mechanism is solved, and the travel speed and operating stability of the device are improved.

CN223345119UActive Publication Date: 2025-09-16NANTONG HENGXIN PRECISION MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423117867.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-09-16
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The crane's traveling mechanism needs to be lubricated in time to prevent it from running unsmoothly, which will result in a reduction in travel speed.

Method used

A forced lubrication device was designed, which includes components such as rails, rotating shafts, gears, guide pipes, sealing rings and oil storage tanks. The lubricating oil is automatically injected into the outer wall of the gear by a motor, and impurities are cleaned by supporting rollers and brush plates to ensure uniform distribution of the lubricating oil and smooth operation of the device.

Benefits of technology

It achieves uniform addition of lubricating oil, avoids the phenomenon of uneven travel, increases the travel speed of the crane, and enhances the practicality and sealing of the device.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223345119U_ABST
    Figure CN223345119U_ABST
Patent Text Reader

Abstract

The utility model discloses a forced lubrication device for a crane travelling mechanism, which relates to the field of lubrication devices and comprises a track, a base frame is arranged at the top of the track, rotating shafts are arranged on the front side wall and the rear side wall of an inner cavity of the base frame, gears are arranged on the outer walls of the rotating shafts, and a motor is arranged on the front side wall of the base frame. According to the scheme, the track, the rotating shaft, the gear and other devices are arranged to be matched, lubricating oil can be conveniently injected into the outer wall of the gear for lubrication through the device, lubricating oil can be evenly added, the phenomenon that walking is not smooth is avoided, and the service life of the gear is prolonged. The advancing speed of the device is improved; through cooperation of the supporting rollers, the rails, the base frame and other devices, the device can conveniently shift and shake the base frame during movement, and the supporting rollers have a supporting effect on the base frame, so that the base frame can slide more easily.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of lubrication devices, in particular to a forced lubrication device for a crane traveling mechanism. Background Art

[0002] Crane refers to a multi-action lifting machinery that vertically lifts and horizontally transports heavy objects within a certain range. It is also called an overhead crane, overhead crane, or hoist. Some lifting equipment has the working characteristic of intermittent movement, that is, the corresponding mechanisms of material collection, transportation, unloading, etc. work alternately in one working cycle. Cranes are developing and being used more and more widely in the market. Most of the gantry crane traveling mechanisms only use the main traveling pulley for movement. The traveling mechanism needs to add lubricating oil in time to lubricate the transmission mechanism, which is prone to uneven travel, thereby reducing the travel speed of the device. For this reason, we propose a forced lubrication device for the crane traveling mechanism. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the existing technology, the utility model provides a forced lubrication device for the crane walking mechanism, which effectively solves the problem that the walking mechanism needs to add lubricating oil in time to lubricate the transmission mechanism, which easily causes the walking to be not smooth, thereby reducing the travel speed of the device.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a forced lubrication device for a crane walking mechanism, comprising a track, a base frame is provided on the top of the track, a rotating shaft is provided on the front and rear side walls of the inner cavity of the base frame, a gear is provided on the outer wall of the rotating shaft, a motor is provided on the front side wall of the base frame, the front end of the rotating shaft is connected to the output end of the motor, a guide tube is provided on the front and rear side walls of the inner cavity of the base frame, the front end of the guide tube passes through the front side wall of the base frame, a gear ring is provided on the outer wall of the guide tube, and the gear ring The inner wall is provided with an annular groove, the outer wall of the guide tube is evenly provided with openings, the outer wall of the gear ring is provided with an oil outlet, the inner wall of the oil outlet is provided with a sealing ring, the right side wall of the sealing ring is provided with a push rod, the left side wall of the inner cavity of the oil outlet is provided with a pushing spring, the right end of the pushing spring is provided on the left side wall of the sealing ring, the right side wall of the sealing ring is evenly provided with an oil unloading port, the gear ring is meshed with the gear, the top wall of the track is provided with a tooth plate, the gear is meshed with the tooth plate, and the front side wall of the base frame is provided with an oil storage tank.

[0005] Preferably, the front and rear side walls of the track are both provided with rolling grooves, and the front and rear side walls of the inner cavity of the base frame are both provided with supporting rollers, and the supporting rollers are located in the inner cavity of the rolling grooves.

[0006] Preferably, a sealing ring is provided on the side wall of the sealing ring away from the guide pipe, and a leakage hole matching the oil unloading port is opened on the right side wall of the sealing ring.

[0007] Preferably, a rotation groove is provided at one end of the push rod away from the guide tube, and a rotation ball is provided on the inner wall of the rotation groove.

[0008] Preferably, the left and right side walls of the base frame are both provided with connecting frames, and the bottom walls of the connecting frames are both provided with brush plates.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. The forced lubrication device of the crane travel mechanism, through the coordination of the track, rotating shaft and gears, can make it easy for the device to inject lubricating oil into the outer wall of the gear for lubrication, which is conducive to the uniform addition of lubricating oil, avoids the phenomenon of uneven travel, and improves the travel speed of the device;

[0011] 2. The forced lubrication device of the crane traveling mechanism is equipped with supporting rollers, tracks and base frame, which can make the device easy to move the base frame and cause it to deflect and shake. The supporting rollers have a supporting effect on the base frame, making it easier for the base frame to slide.

[0012] 3. The forced lubrication device of the crane traveling mechanism, through the coordination of the connecting frame, brush plate and base frame, can make it easy to clean the impurities on the tooth plate, avoid the impurities affecting the operation of the device, and help improve the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached figure:

[0015] Figure 1 This is a schematic diagram of the structure of the forced lubrication device for the crane traveling mechanism of the utility model;

[0016] Figure 2 This is a schematic cross-sectional view of the gear ring of the present invention;

[0017] Figure 3 For this utility model Figure 2 A magnified view of part A in FIG;

[0018] In the figure: 100, track; 101, base frame; 102, rotating shaft; 103, gear; 104, guide tube; 105, gear ring; 106, sealing ring; 107, push rod; 108, pushing spring; 109, gear plate; 110, oil storage tank; 111, supporting roller; 112, sealing ring; 113, rotating ball; 114, connecting frame; 115, brush plate; 116, motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] Depend on Figure 1 、 Figure 2 and Figure 3The utility model provides a forced lubrication device for a crane traveling mechanism. The top of the track 100 is slidably connected to a base frame 101, which is convenient for supporting a rotating shaft 102. The front and rear side walls of the inner cavity of the base frame 101 are rotatably connected to a rotating shaft 102, which is convenient for driving a gear 103 to rotate through the rotating shaft 102. The outer wall of the rotating shaft 102 is fixedly connected to a gear 103, which is convenient for moving on a tooth plate 109 through the gear 103. The front side wall of the base frame 101 is fixedly connected to an electric The motor 116 is used to drive the rotating shaft 102 to rotate. The front end of the rotating shaft 102 is connected to the output end of the motor 116. The front and rear side walls of the inner cavity of the base frame 101 are fixedly connected with a guide tube 104. The guide tube 104 is used to guide the lubricating oil. The front end of the guide tube 104 passes through the front side wall of the base frame 101. The outer wall of the guide tube 104 is rotatably connected with a gear ring 105. The gear ring 105 is used to apply the lubricating oil to the outer wall of the gear 103. The inner wall of the gear ring 105 is provided with a ring. The groove is convenient for the flow of lubricating oil. The outer wall of the guide tube 104 is evenly provided with openings, which are connected to the ring groove. The outer wall of the gear ring 105 is provided with an oil outlet. The inner wall of the oil outlet is slidably connected with a sealing ring 106, which is convenient for closing the oil outlet. The right side wall of the sealing ring 106 is fixedly connected with a push rod 107, which is convenient for pushing the sealing ring 106. The left side wall of the inner cavity of the oil outlet is fixedly connected with a pushing spring 108, which is convenient for pushing the sealing ring 10 6 is pushed, the right end of the pushing spring 108 is fixedly connected to the left side wall of the sealing ring 106, and the right side wall of the sealing ring 106 is evenly provided with oil discharge ports, which are convenient for the circulation of lubricating oil. The gear ring 105 is engaged with the gear 103, and the top wall of the track 100 is fixedly connected with a tooth plate 109, which is convenient for moving on the gear 103, and the gear 103 is engaged with the tooth plate 109. The front side wall of the base frame 101 is fixedly connected with an oil storage tank 110, which is convenient for storing lubricating oil.

[0021] In this embodiment, lubricating oil is added to the inner cavity of the oil storage tank 110 for storage. The oil storage tank 110 is connected to the guide pipe 104 through a hose. The motor 116 drives the rotating shaft 102 to rotate, and the rotating shaft 102 drives the gear 103 to rotate. The gear 103 moves on the tooth plate 109 to drive the rotating shaft 102 to move, and the rotating shaft 102 drives the base frame 101 to move, thereby improving the base frame 101 to drive the crane to move, and the gear 103 drives the gear ring 105 to rotate. The outer wall of the gear 103 pushes the push rod 107, and the lubricating oil is passed through the oil storage tank 110. The lubricating oil is pumped into the guide pipe 104 through the hose, and the lubricating oil is injected into the inner cavity of the annular groove through the guide pipe 104. Then the lubricating oil flows into the oil outlet through the annular groove, and the lubricating oil is discharged to the outer wall of the gear 103 through the oil removal port. When the outer wall of the gear 103 releases the push on the push rod 107, the elastic force of the pushing spring 108 facilitates the movement of the sealing ring 106, so that the sealing ring 106 is pressed against the inner wall of the oil outlet, cutting off the connection of the oil unloading port to avoid leakage of the lubricating oil, making it easy for the device to inject the lubricating oil into the outer wall of the gear 103 for lubrication, which is conducive to uniform addition of lubricating oil, avoids the phenomenon of uneven running, and improves the travel speed of the device.

[0022] The front and rear side walls of the track 100 are both provided with rolling grooves, and the front and rear side walls of the inner cavity of the base frame 101 are both rotatably connected with support rollers 111, which facilitate supporting the base frame 101 and are located in the inner cavity of the rolling grooves.

[0023] In this embodiment: by providing a support roller 111, it is convenient to support the base frame 101, reduce the supporting pressure of the gear 103, and facilitate the movement of the support roller 111 to limit and guide through the rolling groove, so as to avoid offset affecting the movement of the base frame 101, so that the device can facilitate the offset and shaking of the base frame 101, and the support roller 111 has a supporting effect on the base frame 101, which can make the sliding of the base frame 101 easier.

[0024] The side walls of the sealing ring 106 away from the guide tube 104 are fixedly connected with a sealing ring 112, which facilitates sealing the joint. The right side wall of the sealing ring 112 is provided with a leakage port that matches the oil unloading port.

[0025] In this embodiment, the sealing ring 112 is provided to seal the gap of the sealing ring 106, thereby preventing the leakage of lubricating oil and improving the sealing performance of the device.

[0026] A rotation groove is formed at one end of the push rod 107 away from the guide tube 104 , and a rotation ball 113 is rotatably connected to the inner wall of the rotation groove. The rotation ball 113 is convenient for rolling on the outer wall of the gear 103 .

[0027] In this embodiment, the rotating ball 113 is provided to facilitate rolling on the teeth of the gear 103, thereby avoiding wear between the gear 103 and the push rod 107, which is beneficial to improving the service life of the device.

[0028] The left and right side walls of the base frame 101 are fixedly connected with a connecting frame 114, which facilitates supporting the brush plate 115. The bottom wall of the connecting frame 114 is fixedly connected with a brush plate 115, which facilitates cleaning the tooth plate 109.

[0029] In this embodiment, the connecting frame 114 is provided to facilitate supporting the brush plate 115 , and the brush plate 115 facilitates cleaning of impurities on the tooth plate 109 , thereby preventing the impurities from affecting the operation of the device and improving the practicality of the device.

Claims

1. A forced lubrication device for a crane traveling mechanism, comprising a track (100), characterized in that: A base frame (101) is provided on the top of the track (100), a rotating shaft (102) is provided on the front and rear side walls of the inner cavity of the base frame (101), a gear (103) is provided on the outer wall of the rotating shaft (102), a motor (116) is provided on the front side wall of the base frame (101), the front end of the rotating shaft (102) is connected to the output end of the motor (116), a guide tube (104) is provided on the front and rear side walls of the inner cavity of the base frame (101), the front end of the guide tube (104) passes through the front side wall of the base frame (101), a gear ring (105) is provided on the outer wall of the guide tube (104), an annular groove is provided on the inner wall of the gear ring (105), and the outer wall of the guide tube (104) is provided with a toothed ring (105). Openings are evenly opened, an oil outlet is opened on the outer wall of the gear ring (105), a sealing ring (106) is provided on the inner wall of the oil outlet, a push rod (107) is provided on the right side wall of the sealing ring (106), a pushing spring (108) is provided on the left side wall of the inner cavity of the oil outlet, the right end of the pushing spring (108) is provided on the left side wall of the sealing ring (106), an oil discharge port is evenly opened on the right side wall of the sealing ring (106), the gear ring (105) is meshed with the gear (103), a tooth plate (109) is provided on the top wall of the track (100), the gear (103) is meshed with the tooth plate (109), and an oil storage tank (110) is provided on the front side wall of the base frame (101).

2. The forced lubrication device for a crane traveling mechanism according to claim 1, characterized in that: The front and rear side walls of the track (100) are both provided with rolling grooves, and the front and rear side walls of the inner cavity of the base frame (101) are both provided with supporting rollers (111), and the supporting rollers (111) are located in the inner cavity of the rolling grooves.

3. The forced lubrication device for a crane traveling mechanism according to claim 1, characterized in that: The side walls of the sealing ring (106) away from the guide tube (104) are each provided with a sealing ring (112), and the right side wall of the sealing ring (112) is provided with a leakage port that matches the oil unloading port.

4. The forced lubrication device for a crane traveling mechanism according to claim 1, characterized in that: A rotation groove is provided at one end of the push rod (107) away from the guide tube (104), and a rotation ball (113) is provided on the inner wall of the rotation groove.

5. The forced lubrication device for a crane traveling mechanism according to claim 1, characterized in that: The left and right side walls of the base frame (101) are both provided with a connecting frame (114), and the bottom wall of the connecting frame (114) is both provided with a brush plate (115).