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CN-116202134-B - Raise machine

CN116202134BCN 116202134 BCN116202134 BCN 116202134BCN-116202134-B

Abstract

The invention provides a raise boring machine. The courtyard machine comprises a main body frame, an air outlet assembly, a lifting mechanism and a driving mechanism, wherein the air outlet assembly is connected to the main body frame in a lifting mode through the lifting mechanism, the lifting mechanism comprises the driving structure, the driving structure is arranged on the main body frame and is provided with a first limiting structure, the main body frame is provided with a second limiting structure, and the first limiting structure is in limiting fit with the second limiting structure. According to the courtyard machine provided by the invention, the driving structure is limited by the limiting structure, and when the driving structure is subjected to the reactive force to generate the conditions of deflection, shaking and the like in the process of driving the air outlet assembly to lift, the driving structure is blocked by the limiting structure to stop shifting, so that the position reliability of the driving structure and the driving stability of the air outlet assembly are ensured, and the lifting reliability of the air outlet assembly is ensured.

Inventors

  • DU HUI
  • Li Ziken
  • ZHAO SHIJUN

Assignees

  • 珠海格力电器股份有限公司

Dates

Publication Date
20260505
Application Date
20230309

Claims (9)

  1. 1. The raise boring machine is characterized by comprising: A main body frame (1); The air outlet component is connected to the main body frame (1) in a lifting manner through a lifting mechanism; the lifting mechanism comprises a driving structure, the driving structure is arranged on the main body frame (1), a first limiting structure (21) is arranged on the driving structure, a second limiting structure (11) is arranged on the main body frame (1), and the first limiting structure (21) and the second limiting structure (11) are in limiting fit; Or, the lifting mechanism comprises a shell (26), the shell (26) is arranged on the main body frame (1), the driving structure is arranged in the shell (26), a second limiting structure (11) is arranged on the shell, and the first limiting structure (21) and the second limiting structure (11) are in limiting fit; The driving structure comprises a power part (22) and a driving gear, the power part (22) is arranged on the main body frame (1) or the shell (26), the power part (22) can drive the driving gear to rotate, and the driving gear is provided with the first limiting structure (21); the driving gear comprises a hub and a meshing tooth (23), the hub comprises a meshing section (24) and a limiting section (25) along the axial direction of the hub, the meshing tooth (23) is arranged on the meshing section (24), the limiting section (25) forms the first limiting structure (21), and the power part (22) is connected with the meshing section (24); the limiting ring is arranged on the main body frame (1) or the shell (26), the limiting ring forms the second limiting structure (11), the limiting section (25) is positioned in the limiting ring and is in clearance fit with the limiting ring, or the limiting section (25) is sleeved on the limiting ring and is in clearance fit with the limiting ring.
  2. 2. The raise boring machine of claim 1, wherein the lifting mechanism further comprises a rack (27), the rack (27) is arranged on the air outlet assembly, the rack (27) is in meshed transmission with the driving gear, a third limiting structure (12) is arranged on the main body frame (1) or the shell (26), the third limiting structure (12) is located on one side, away from the driving gear, of the rack (27), and the third limiting structure (12) is in limiting fit with the rack (27).
  3. 3. The raise boring machine according to claim 2, characterized in that the rack (27) is provided with a guide groove, the main body frame (1) is provided with a guide wheel, the guide wheel is rotatably arranged in the guide groove, and the guide wheel forms the third limit structure (12).
  4. 4. The raise boring machine according to claim 1, characterized in that at least three first locking structures (28) are arranged on the lifting mechanism, a second locking structure (13) is arranged on the main body frame (1), and the first locking structures (28) and the second locking structures (13) are in one-to-one correspondence.
  5. 5. The raise boring machine of claim 4, wherein the first locking structure (28) comprises at least two first screw holes and at least one positioning piece, the second locking structure (13) comprises second screw holes and positioning grooves, the first screw holes are in one-to-one correspondence with the second screw holes, and the positioning pieces are in one-to-one correspondence with the positioning grooves.
  6. 6. The raise boring machine of claim 5, wherein the first screw hole and the positioning member have a height difference therebetween.
  7. 7. The raise boring machine according to claim 6, characterized in that all the first locking structures (28) are distributed in a polygonal shape.
  8. 8. The raise boring machine of claim 1, wherein the air outlet assembly comprises an air outlet frame, an air outlet is formed between the air outlet frame and the main body frame (1), and the air outlet frame is independently lifted.
  9. 9. The raise boring machine of claim 1, wherein the air outlet assembly comprises an air outlet frame and an air return panel, an air outlet is formed between the air outlet frame and the main body frame (1), the air return panel is provided with an air return opening, and the air outlet frame is connected with the air return panel and ascends and descends together.

Description

Raise machine Technical Field The invention relates to the technical field of air treatment equipment, in particular to a courtyard machine. Background At present, an air outlet component of the courtyard machine in the prior art is of a lifting structure, and a main body frame is fixedly arranged on the outer side of the periphery of the air outlet component. When the courtyard machine works, the air outlet assembly descends by a certain height and forms a height difference with the main body frame, the air outlet assembly and the main body frame arranged on the outer side of the air outlet assembly form an air outlet, and the fan blows air from the inside of the courtyard machine through the air outlet. However, because all parts in the raise-boring machine have production errors and assembly gaps, when the mechanism runs, the lifting mechanism can deviate, shake and the like in the gap range under the influence of the reactive force of load, the running stability of the mechanism is affected, and the problem of unreliable lifting of the air outlet component is caused. Disclosure of Invention In order to solve the unreliable technical problem of lift of air-out subassembly among the prior art, and provide a raise boring machine that utilizes limit structure improvement to carry out the spacing in order to improve air-out subassembly lift reliability to drive the structure. A raise boring machine, comprising: A main body frame; the air outlet assembly is connected to the main body frame in a lifting manner through a lifting mechanism; The lifting mechanism comprises a driving structure, the driving structure is arranged on the main body frame, a first limiting structure is arranged on the driving structure, a second limiting structure is arranged on the main body frame, and the first limiting structure is in limiting fit with the second limiting structure; or, elevating system includes the casing, the casing set up in on the main part frame, drive structure set up in the casing, be provided with second limit structure on the casing, first limit structure with the spacing cooperation of second limit structure. The driving structure comprises a power part and a driving gear, wherein the power part is arranged on the main body frame or the shell, the power part can drive the driving gear to rotate, and the driving gear is provided with a first limiting structure. The driving gear comprises a hub and engaging teeth, the hub comprises an engaging section and a limiting section along the axis direction of the hub, the engaging teeth are arranged on the engaging section, the limiting section forms a first limiting structure, and the power part is connected with the engaging section. The limiting ring is arranged on the main body frame or the shell, the limiting ring forms the second limiting structure, the limiting section is positioned in the limiting ring and is in clearance fit with the limiting ring, or the limiting section is sleeved on the limiting ring and is in clearance fit with the limiting ring. The lifting mechanism further comprises a shell, the shell is arranged on the main body frame, the driving gear is arranged in the shell, and the second limiting structure is formed on the inner wall of the shell. The lifting mechanism further comprises a rack, the rack is arranged on the air outlet assembly, the rack is in meshed transmission with the driving gear, a third limiting structure is arranged on the main body frame or the shell, the third limiting structure is located on one side, away from the driving gear, of the rack, and the third limiting structure is in limiting fit with the rack. The rack is provided with a guide groove, the main body frame is provided with a guide wheel, the guide wheel is rotatably arranged in the guide groove, and the guide wheel forms the third limiting structure. The lifting mechanism is provided with at least three first locking structures, the main body frame is provided with second locking structures, and the first locking structures and the second locking structures are in one-to-one correspondence. The first locking structure comprises at least two first screw holes and at least one locating piece, the second locking structure comprises second screw holes and locating grooves, the first screw holes are in one-to-one correspondence with the second screw holes, and the locating pieces are in one-to-one correspondence with the locating grooves. The first screw hole and the positioning piece are provided with a height difference. All the first locking structures are distributed in a polygonal shape. The air outlet assembly comprises an air outlet frame, an air outlet is formed between the air outlet frame and the main body frame, and the air outlet frame is independently lifted. The air outlet assembly comprises an air outlet frame and an air return panel, an air outlet is formed between the air outlet frame and the main body frame, the air return panel is provided with