Detachable mining monorail crane gearbox
By designing an oil filling structure on the gearbox of a mining monorail crane, the problem of insufficient lubricating oil replenishment was solved, achieving precise supply and uniform distribution of lubricating oil, extending gear life and reducing maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-23
- Publication Date
- 2026-03-10
AI Technical Summary
Traditional mining monorail gearboxes suffer from difficulty in replenishing the lubricating oil film under high pressure, leading to increased friction from direct metal-to-metal contact and shortening gear life.
A detachable mining monorail gearbox was designed, equipped with an oil filling structure, including an oil tank, a guide pipe, an oil drain port, and a threaded blade driven by a small motor, to achieve precise supply and flow control of lubricating oil, and to optimize the distribution of lubricating oil through a dispersion disc.
It achieves precise supply and uniform distribution of lubricating oil, reduces frictional loss, lowers equipment operating noise, simplifies the maintenance process, and reduces maintenance costs.
Smart Images
Figure CN223984789U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gear box technical field, in particular to a detachable mining monorail crane gear box. BACKGROUND
[0002] In the prior art, the mining monorail crane is an important auxiliary transport equipment in coal mine, which has the advantages of strong mobility, fast running speed, large load capacity and safety and reliability, can realize continuous straight-through transport without transshipment in variable slope, multiple turnouts and multiple branch roadway, and is not affected by roadway floor deformation, water accumulation or material accumulation, and has been widely used in coal production, but the traditional mining monorail crane gear box is usually of integral structure, and when the internal parts are repaired, maintained or replaced, the whole gear box needs to be detached from the monorail crane, which is complex in operation process, time-consuming and needs large space and professional equipment, increasing the maintenance cost and downtime and affecting the normal production of coal mine.
[0003] However, the prior art still has deficiencies, such as the following aspects:
[0004] When the mining monorail crane is running for a long time under heavy load, the gear meshing surface bears very high pressure, and the existing technology cannot timely supplement the lubricating oil film squeezed out due to high pressure, resulting in boundary lubrication failure. Continuous metal direct contact causes the friction coefficient to rise sharply, causing micro-point corrosion and adhesive wear, significantly shortening the service life of the gear. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a detachable mining monorail crane gear box to solve the problem of difficult oil film replenishment when the mining monorail crane is under heavy load, which causes metal direct contact and aggravates wear, significantly shortens the service life of the gear and causes lubrication failure.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A detachable mining monorail crane gear box comprises a gear box, a protective sleeve is installed on the outer wall of the gear box, an oil adding structure is installed on the top of the protective sleeve, the oil adding structure comprises an oil storage tank, an oil storage groove is formed in the middle of the top of the oil storage tank, a fixed cover is installed on the top of the inner side of the oil storage groove, and an oil injection hole is installed on one side of the top of the fixed cover.
[0008] Preferably, guide pipes are installed on the outer walls of the left and right sides of the oil storage tank and located at both ends of the oil storage groove, and small motors are threadedly connected to the inner sides of the tops of the guide pipes.
[0009] Preferably, a guide opening is installed at the bottom of the guide pipe, and an oil discharge port is threadedly connected to the outer wall of the guide opening.
[0010] Preferably, a rotating rod is mounted at one end of the bottom transmission of the small motor and inside the guide tube, and a threaded blade is fixedly connected to the outer wall of the rotating rod.
[0011] Preferably, a sliding groove is formed in the outer wall inside the oil discharge port, and a protruding block is fixedly connected to the inner side of the sliding groove.
[0012] Preferably, a plastic support frame is connected to the inner side of the sliding groove, a dispersion disc is mounted at one end of the top of the plastic support frame, and a plurality of oil discharge holes are formed in the outer wall of the bottom of the oil discharge port.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The oil supply structure realizes precise supply and flow control of lubricating oil. The combination design of the oil storage tank, the guide tube and the oil discharge port, in cooperation with the threaded blade structure driven by the small motor, can adjust the lubricating oil flow rate according to actual requirements, so as to ensure that each part of the gear box is fully lubricated. The setting of the dispersion disc further optimizes the distribution effect of the lubricating oil, so that the lubricating oil can uniformly cover the gear surface, reduce friction loss and reduce equipment operation noise. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view structural schematic diagram of the utility model;
[0016] Figure 2 It is an oil supply structure schematic diagram of the utility model;
[0017] Figure 3 It is an oil storage tank cross-sectional structural schematic diagram of the utility model;
[0018] Figure 4 It is an oil discharge port structural schematic diagram of the utility model.
[0019] In the drawing: 1, gear box; 2, protective sleeve; 3, oil supply structure; 31, oil storage tank; 32, fixed cover; 321, oil injection hole; 33, guide tube; 331, guide port; 34, small motor; 341, rotating rod; 342, threaded blade; 35, oil discharge port; 351, oil discharge hole; 352, sliding groove; 353, protruding block; 354, plastic support frame; 355, dispersion disc; 36, oil storage groove. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] As Figures 1-4 shown, a detachable mining single-track hoist gear box, comprising a gear box 1, the outer wall of the gear box 1 is provided with a protective sleeve 2, which protects the gear box 1 structure from entering dust and other sundries, thereby preventing the operation from being affected, the top of the protective sleeve 2 is provided with an oiling structure 3 for adding lubricating oil at any time, the oiling structure 3 comprises an oil storage tank 31, a oil storage groove 36 is formed in the middle of the top of the oil storage tank 31 for storing lubricating oil, a fixed cover 32 is installed on the inside top of the oil storage groove 36, and an oil injection hole 321 is installed on one side of the top of the fixed cover 32 for adding lubricating oil into the oil storage groove 36.
[0022] It should be noted that in this embodiment, when the oiling structure 3 is installed, two holes are first reserved in the protective sleeve 2, then the oil discharge port 35 is aligned with the holes, the oil storage tank 31 is fixed to the outer wall of the protective sleeve 2, and then the lubricating oil is added through the oil injection hole 321.
[0023] The outer walls of the oil storage tank 31 on both sides and located at both ends of the oil storage groove 36 are provided with guide pipes 33, which are connected to the oil discharge port 35 to guide the lubricating oil into the oil discharge port 35, the inside top of the guide pipe 33 is threadedly connected with a small motor 34 which is connected to a power source to start the small motor 34 to drive a rotating rod 341 to rotate, the bottom of the guide pipe 33 is provided with a guide port 331, the lubricating oil in the guide pipe 33 is guided into the oil discharge port 35 through the guide pipe 33, the outer wall of the guide port 331 is threadedly connected with the oil discharge port 35, and the inside of the guide pipe 33 and located at one end of the bottom of the small motor 34 is provided with the rotating rod 341 which is fixedly connected with a threaded blade 342 on its outer wall, so that when the rotating rod 341 rotates, the threaded blade 342 rotates to control the flow rate of the lubricating oil in the inner cavity of the guide pipe 33.
[0024] It should be noted that in this embodiment, by starting the small motor 34, the rotating rod 341 driven by one end of the small motor 34 is rotated, and then the threaded blade 342 on the outer wall of the rotating rod 341 is rotated to speed up the flow of the lubricating oil inside the guide pipe 33 from the guide port 331 into the oil discharge port 35.
[0025] The outer wall of the oil discharge port 35 is provided with a sliding groove 352 for limiting the installation of a plastic support frame 354, the inner side of the sliding groove 352 is fixedly connected with a protrusion 353, the plastic support frame 354 is connected to the inner side of the sliding groove 352 and the top of the plastic support frame 354 is provided with a dispersion disc 355 at one end, the plastic support frame 354 supports the dispersion disc 355, and the outer wall of the bottom of the oil discharge port 35 is provided with an oil discharge hole 351 for discharging lubricating oil.
[0026] It should be noted that in the present embodiment, when the lubricating oil enters the oil discharge port 35, the dispersed disc 355 in the inner cavity of the oil discharge port 35 disperses the lubricating oil flowing down the guide port 331, so that the dispersed lubricating oil enters the bottom of the oil discharge port 35 and flows out through the oil discharge hole 351, and then the lubricating oil enters the inner cavity of the protective sleeve 2 and falls on the machine structure of the gear box 1.
[0027] The working principle of the utility model is: when installing the oil adding structure 3, first, two holes are reserved in the protective sleeve 2, then the oil discharge port 35 is aligned with the holes, the oil storage tank 31 is fixed on the outer wall of the protective sleeve 2, then the lubricating oil is added through the oil injection hole 321, the small motor 34 is started, and the rotating rod 341 driven by one end of the small motor 34 is rotated, then the threaded blade 342 on the outer wall of the rotating rod 341 is driven to rotate, the lubricating oil flowing in the guide pipe 33 is accelerated to enter the oil discharge port 35 from the guide port 331, and when the lubricating oil enters the oil discharge port 35, the dispersed disc 355 in the inner cavity of the oil discharge port 35 disperses the lubricating oil flowing down the guide port 331, so that the dispersed lubricating oil enters the bottom of the oil discharge port 35 and flows out through the oil discharge hole 351, and then the lubricating oil enters the inner cavity of the protective sleeve 2 and falls on the machine structure of the gear box 1.
[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A detachable mining single-track hoist gear box, comprising a gear box (1), a protective sleeve (2) is mounted on the outer wall of the gear box (1), an oil adding structure (3) is mounted on the top of the protective sleeve (2), characterized in that: The oil adding structure (3) includes an oil storage tank (31), the middle of the top of the oil storage tank (31) is provided with an oil storage groove (36), the top of the inner side of the oil storage groove (36) is provided with a fixed cover (32), one side of the top of the fixed cover (32) is provided with an oil injection hole (321).
2. A detachable mining single-track hoist gear box according to claim 1, characterized in that: The outer wall of the left and right sides of the oil storage tank (31) and located at both ends of the oil storage groove (36) is provided with a guide pipe (33), the top of the inner side of the guide pipe (33) is provided with a small motor (34) in threaded connection.
3. A detachable mining monorail hoist gear box as claimed in claim 2, wherein: The bottom of the guide pipe (33) is provided with a guide port (331), the outer wall of the guide port (331) is provided with an oil discharge port (35) in threaded connection.
4. A detachable mining single-track hoist gear box according to claim 2, characterized in that: The inner side of the oil discharge port (35) is provided with a sliding groove (352) in the outer wall, the inner side of the sliding groove (352) is fixedly connected with a protruding block (353).
5. A detachable mining single-track hoist gear box according to claim 3, characterized in that: The inner side of the sliding groove (352) is clamped with a plastic support frame (354), one end of the top of the plastic support frame (354) is provided with a scattering disc (355), the outer wall of the bottom of the oil discharge port (35) is provided with a plurality of oil discharge holes (351).
6. A detachable mining monorail hoist gear box as claimed in claim 5, wherein: