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CN-224213406-U - Steering device for underground scraper

CN224213406UCN 224213406 UCN224213406 UCN 224213406UCN-224213406-U

Abstract

The application provides a steering device for an underground scraper, which comprises a connecting seat, a rotating shaft and a bearing assembly, wherein two ends of the rotating shaft are respectively connected with a steering pump and a steering wheel, the connecting seat is used for installing the rotating shaft, the bearing assembly is sleeved on the rotating shaft, a lubrication cavity for storing lubricating oil is formed between the bearing assembly and the connecting seat, and an oil inlet communicated with the lubrication cavity is formed in the bearing assembly. In the steering device for the underground scraper, the bearing component is sleeved on the rotating shaft, the lubricating cavity is formed between the bearing component and the connecting seat, and lubricating oil can be placed in the lubricating cavity, so that the rotating shaft and the bearing component can be lubricated, the abrasion of the rotating shaft and the bearing component is reduced, the service life of the steering device is prolonged, and the bearing component is provided with the oil inlet which is communicated with the lubricating cavity, so that the lubricating oil can be injected into the lubricating cavity through the oil inlet, and the lubricating oil can be conveniently added.

Inventors

  • LI QICHAO
  • QIU ZHILONG
  • LIU BINSHUANG
  • LI JIAMING
  • YANG XIN
  • HUANG XIN

Assignees

  • 江西鑫通机械制造有限公司

Dates

Publication Date
20260508
Application Date
20250421

Claims (10)

  1. 1. A steering device for an underground scraper, comprising: a rotating shaft (11), two ends of which are respectively connected with the steering pump (3) and the steering wheel (2); A connecting seat (12) for installing the rotating shaft (11); The bearing assembly (13) is sleeved on the rotating shaft (11), and a lubrication cavity (15) for storing lubricating oil is formed between the bearing assembly and the connecting seat (12); wherein, be equipped with on the bearing assembly (13) with lubricated chamber (15) intercommunication's oil inlet.
  2. 2. A steering device for an underground scraper according to claim 1, wherein, The connecting seat (12) comprises a first connecting plate (121) and a second connecting plate (122), and the first connecting plate (121) and the second connecting plate (122) are arranged at intervals in parallel; The bearing assembly (13) is connected with a first connecting plate (121), and the second connecting plate (122) is connected with the steering pump (3).
  3. 3. A steering device for an underground scraper according to claim 2, wherein, The first connecting plate (121) is provided with a connecting disc (123), the connecting disc (123) and the rotating shaft (11) are coaxially arranged, and the inner diameter of the connecting disc (123) is larger than the outer diameter of the rotating shaft (11); The bearing assembly (13) is provided with a threaded hole, the connecting disc (123) is provided with a limiting hole (1231), and the limiting hole (1231) and the threaded hole are coaxially arranged for the insertion of the same connecting piece.
  4. 4. A steering device for an underground scraper according to claim 3, wherein, The bearing assembly (13) comprises a first bearing seat (131) and a second bearing seat (132), and the first bearing seat (131) and the second bearing seat (132) are axially arranged at two sides of the first connecting plate (121); A lubrication cavity (15) is formed among the first bearing seat (131), the second bearing seat (132) and the connecting seat (12).
  5. 5. A steering device for an underground scraper according to claim 4, wherein, The bearing assembly (13) comprises a mounting part and a connecting part, wherein the mounting part is connected with the first connecting plate (121), and the connecting part is connected with the rotating shaft (11); The connecting part is internally provided with a bearing, the mounting part is provided with a limiting ring, and the outer wall of the limiting ring is attached to the inner wall of the connecting disc (123).
  6. 6. A steering device for an underground scraper according to claim 5, wherein, An axial gap is formed between the first bearing seat (131) and the second bearing seat (132), and a radial gap is formed between the inner wall of the limiting ring and the outer wall of the rotating shaft (11); The axial gap cooperates with the radial gap to form a lubrication chamber (15).
  7. 7. A steering device for an underground scraper according to claim 1, wherein, The oil inlet is provided with a nozzle (14), and the lubricating cavity (15) is communicated with the outside through the nozzle (14); the lubricating oil is in a semi-fluid form or a fixed form.
  8. 8. A steering device for an underground scraper according to claim 1, wherein, The bearing assembly (13) is in interference fit with the rotating shaft (11); Or alternatively, the first and second heat exchangers may be, A sealing component is arranged between the bearing component (13) and the rotating shaft (11).
  9. 9. A steering device for an underground scraper according to claim 2, wherein, The second connecting plate (122) is connected with the steering pump (3) through bolts; One side of the second connecting plate (122) facing the steering pump (3) is provided with a limiting groove (1221), the limiting groove (1221) is sunken towards the direction away from the steering pump (3), the steering pump (3) is at least partially positioned in the limiting groove (1221), and the limiting groove (1221) is used for limiting the steering pump (3).
  10. 10. A steering device for an underground scraper according to claim 4, wherein, The limiting holes (1231) are arranged in a plurality, and the limiting holes (1231) are arranged on the same circumference at equal intervals; The first bearing seat (131) is provided with first threaded holes (133), and a plurality of first threaded holes (133) are equidistantly arranged on the same circumference; the second bearing (132) is provided with a second threaded hole (134), and a plurality of second threaded holes (134) are equidistantly arranged on the same circumference; Wherein, part spacing hole (1231) and first screw hole (133) coaxial setting, part spacing hole (1231) and second screw hole (134) coaxial setting, the axis of first screw hole (133) and second screw hole (134) are not on same straight line.

Description

Steering device for underground scraper Technical Field The application relates to the technical field of underground shovels, in particular to a steering device for an underground shovels. Background The underground scraper is equipment for underground engineering design of underground mines, tunnels and the like, can be used for underground mining, tunnel construction or underground engineering construction, and has the functions of shoveling, transporting and unloading. The underground scraper comprises a front frame and a rear frame, wherein the front frame is connected with the rear frame through a steering device, and a steering wheel is connected with a steering pump through the steering device, so that steering control of the vehicle is realized, and the front frame and the rear frame can relatively rotate within a certain angle range. The steering device of the underground scraper in the prior art is provided with a connecting seat and a rotating shaft, wherein two bearings are arranged in the connecting seat, the rotating shaft is positioned between the two bearings, one end of the rotating shaft penetrating out of the connecting seat is connected with a steering pump, the other end of the rotating shaft is connected with a steering wheel, the end face, close to the steering pump, of the connecting seat is a flange end face, a switching member is arranged between the connecting seat and the steering pump, the flange end face of the connecting seat, the switching member and the steering pump are connected through bolts, and then the connecting seat, the steering pump and the switching member are connected into a whole. However, in the steering device with the structure, as the connecting seat is in the cylindrical structure, the openings at two ends of the connecting seat are far larger than the rotating shaft, and the rotating shaft directly penetrates through the connecting seat, so that the connecting seat is not in sealing connection with the rotating shaft, and lubricating oil cannot be effectively stored in the connecting seat, so that the abrasion between the rotating shaft and the bearing is large when the rotating shaft rotates, and the service life of the steering device is greatly reduced. Therefore, the steering device of the underground scraper in the prior art has room for further improvement. Disclosure of utility model In view of the above, the present application provides a steering device for an underground scraper, which is provided with a sealed space for storing lubricating oil to lubricate between a rotating shaft and a bearing, thereby reducing the abrasion of the rotating shaft and the bearing and prolonging the service life of the steering device. The application provides a steering device for an underground scraper, which comprises: the two ends of the rotating shaft are respectively connected with the steering pump and the steering wheel; The connecting seat is used for installing the rotating shaft; The bearing assembly is sleeved on the rotating shaft, and a lubrication cavity for storing lubricating oil is formed between the bearing assembly and the connecting seat; And the bearing assembly is provided with an oil inlet communicated with the lubricating cavity. Compared with the prior art, the steering device for the underground scraper is provided with the bearing assembly, the bearing assembly is sleeved on the rotating shaft, a lubrication cavity is formed between the bearing assembly and the connecting seat, lubricating oil can be placed in the lubrication cavity, so that the rotating shaft and the bearing assembly are lubricated, the abrasion of the rotating shaft and the bearing assembly is reduced, the service life of the steering device is prolonged, and the bearing assembly is provided with the oil inlet which is communicated with the lubrication cavity, so that the lubricating oil can be injected into the lubrication cavity through the oil inlet, and the lubricating oil can be conveniently added. Preferably, the connecting seat comprises a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are arranged at intervals in parallel; the bearing assembly is connected with the first connecting plate, and the second connecting plate is connected with the steering pump. In this embodiment, through setting up two spaced apart connecting plates, be connected with steering pump and steering wheel respectively, when making things convenient for the mount pad to be installed with steering pump, steering wheel respectively for the bearing assembly can form independent lubrication chamber with first connecting plate between. Preferably, the first connecting plate is provided with a connecting disc, the connecting disc is coaxially arranged with the rotating shaft, and the inner diameter of the connecting disc is larger than the outer diameter of the rotating shaft; The bearing assembly is provided with a threa