Search

CN-224209773-U - Turbo charger turbine height self-adaptation's positioner

CN224209773UCN 224209773 UCN224209773 UCN 224209773UCN-224209773-U

Abstract

The utility model relates to a positioning device for turbine height self-adaption of a turbocharger. The elastic adjusting mechanism comprises a guide sleeve, a positioning sleeve and an elastic element, wherein the guide sleeve is installed on the base, the positioning sleeve is movably connected in the guide sleeve along the axial direction and is suitable for being positioned and attached to a turbine head of the turbocharger core body part, and the elastic element is arranged between the base and the positioning sleeve so as to provide force for the positioning sleeve to move along the guide sleeve and attach to the turbine head. The utility model is suitable for positioning the turbocharger turbines with different heights, and has simple structure and lower maintenance cost.

Inventors

  • Zhu Chuanshuai
  • Hui Tianhong
  • YU GUOSHENG

Assignees

  • 无锡威孚高科技集团股份有限公司

Dates

Publication Date
20260508
Application Date
20250508

Claims (10)

  1. 1. The utility model provides a turbo charger turbine height self-adaptation positioner which characterized in that, include base (1.2) and set up in on base (1.2): The core body positioning seat is suitable for positioning and placing the turbocharger core body component (2); an elastic adjustment mechanism (1.3) comprising: the guide sleeve (1.3.3) is arranged on the base (1.2); The positioning sleeve (1.3.4) is movably connected in the guide sleeve (1.3.3) along the axial direction, and the positioning sleeve (1.3.4) is suitable for positioning and fitting with a turbine head (2.4) of the turbocharger core body component (2); An elastic element (1.3.2) is arranged between the base (1.2) and the positioning sleeve (1.3.4) so as to provide a force for the positioning sleeve (1.3.4) to move along the guide sleeve (1.3.3) and cling to the turbine head (2.4).
  2. 2. The positioning device for the height self-adaption of the turbocharger turbine according to claim 1, wherein the elastic adjusting mechanism (1.3) further comprises a lower limiting piece (1.3.1) and an upper limiting piece (1.3.5), the upper limiting piece (1.3.5) is connected with one end of the positioning sleeve (1.3.4), the lower limiting piece (1.3.1) is connected with the guide sleeve (1.3.3), and two ends of the elastic element (1.3.2) are respectively propped against the lower limiting piece (1.3.1) and the upper limiting piece (1.3.5).
  3. 3. A turbocharger turbine height-adaptive positioning device according to claim 2, wherein the lower limit plate (1.3.1) and the upper limit plate (1.3.5) are provided with positioning protrusions extending along respective axial directions on opposite sides thereof, the elastic element (1.3.2) comprises a coil spring, and both ends of the elastic element (1.3.2) are sleeved on each positioning protrusion for positioning.
  4. 4. A turbocharger turbine height-adaptive positioning device according to claim 2, wherein the upper limit piece (1.3.5) is connected to one end of the positioning sleeve (1.3.4) by an interference fit or a countersunk bolt.
  5. 5. A turbocharger turbine height-adaptive positioning device according to claim 2, wherein the guide sleeve (1.3.3) has a limit end (1.3.3.2) extending radially inwards from an inner bore at an end remote from the base (1.2), and the upper limit tab (1.3.5) is capable of contacting the limit end (1.3.3.2) for limiting during movement.
  6. 6. The highly adaptive positioning device for a turbocharger turbine according to claim 5, wherein the limiting end (1.3.3.2) is provided with an anti-rotation guide surface (1.3.3.1), and the outer side wall of the positioning sleeve (1.3.4) is provided with a milling end surface in sliding fit with the anti-rotation guide surface (1.3.3.1).
  7. 7. A turbocharger turbine height-adaptive positioning device according to claim 2, wherein the guide sleeve (1.3.3) is connected with the lower limit piece (1.3.1) through a countersunk bolt, and the guide sleeve (1.3.3) and the lower limit piece (1.3.1) are positioned in the step hole of the base (1.2).
  8. 8. The positioning device for height self-adaption of a turbocharger turbine according to claim 1, wherein the core positioning seat comprises a core support (1.1), the core support (1.1) is sleeved outside the elastic adjusting mechanism (1.3), the core support (1.1) is provided with a placement hole suitable for the turbocharger core component (2) to extend into in the axial direction, the radial direction of the turbocharger core component (2) is provided with a core positioning structure (2.3), and the side wall of the placement hole is provided with a support positioning step (1.1.1) matched with the core positioning structure (2.3).
  9. 9. A turbocharger turbine height-adaptive positioning device according to claim 8, wherein the core positioning seat further comprises a core abutment plate (1.5) provided on the core support (1.1), the core abutment plate (1.5) comprising a plate end face (1.5.1) alignable with a core oil return end face (2.2) of the turbocharger core component (2).
  10. 10. A turbocharger turbine height-adaptive positioning device according to claim 1, characterized in that the base (1.2) is provided with a handle (1.4).

Description

Turbo charger turbine height self-adaptation's positioner Technical Field The utility model relates to the technical field of turbochargers, in particular to a turbocharger turbine height self-adaptive positioning device. Background In the process of assembling the turbocharger core body, in order to realize effective screwing of the shaft end nut, torque can be applied after the plum blossom head of the turbine part is accurately positioned. In the prior art, the positioning operation is usually realized by replacing sleeves with different heights or using a special plum blossom head positioning tool. However, due to the difference in structural design of the products of the same platform, the positions of the plum blossom heads of the turbine parts are different in height, and a large variation range exists, so that the sleeve or the positioning tool is frequently replaced. The mode lacks versatility, also obviously increases tooling design and manufacturing cost, prolongs the mold changing adjustment time, and further influences the integral assembly beat and production efficiency. The other existing scheme is that the height of the positioning sleeve is automatically adjusted by adopting the cylinder driving mechanism, and the scheme can adapt to the height change of different products to a certain extent, but the scheme needs to be additionally provided with an air source system and introduces a plurality of control elements, so that the whole structure is complex, the occupied space is large, the maintenance is inconvenient, and the cost is high. Disclosure of Invention Therefore, the utility model provides the self-adaptive positioning device for the height of the turbine of the turbocharger, which is applicable to positioning of the turbine of the turbocharger with different heights, and has the advantages of simple structure and lower maintenance cost. In order to solve the technical problems, the utility model provides a turbocharger turbine height self-adaptive positioning device, which comprises a base and a positioning device arranged on the base: the core body positioning seat is suitable for positioning and placing the core body component of the turbocharger; An elastic adjustment mechanism comprising: The guide sleeve is arranged on the base; The positioning sleeve is axially and movably connected in the guide sleeve and is suitable for positioning and fitting with the turbine head of the turbocharger core body component; The elastic element is arranged between the base and the positioning sleeve to provide force for the positioning sleeve to move along the guide sleeve and cling to the turbine head. In one embodiment of the utility model, the elastic adjusting mechanism further comprises a lower limiting piece and an upper limiting piece, the upper limiting piece is connected with one end of the positioning sleeve, the lower limiting piece is connected with the guide sleeve, and two ends of the elastic element are respectively abutted against the lower limiting piece and the upper limiting piece. In one embodiment of the present utility model, a positioning protrusion extends along each axial direction on a surface of the lower limiting piece and a surface of the upper limiting piece, where the surface is opposite to each other, and the elastic element includes a coil spring, and two ends of the elastic element are sleeved on each positioning protrusion to perform positioning. In one embodiment of the utility model, the upper limit piece is connected with one end of the positioning sleeve by adopting interference fit or countersunk bolts. In one embodiment of the utility model, the inner hole of one end of the guide sleeve far away from the base is provided with a limiting end in a radial inward extending mode, and the upper limiting piece can be contacted with the limiting end to limit when moving. In one embodiment of the utility model, the limiting end is provided with an anti-rotation guide surface, and the outer side wall of the positioning sleeve is provided with a milling end surface in sliding fit with the anti-rotation guide surface. In one embodiment of the utility model, the guide sleeve is connected with the lower limiting piece through a countersunk bolt, and the guide sleeve and the lower limiting piece are positioned in the stepped hole of the base. In one embodiment of the present utility model, the core positioning seat includes a core support, the core support is sleeved outside the elastic adjustment mechanism, the core support is provided with a placement hole adapted to the turbocharger core component to extend into the placement hole along the axial direction, a core positioning structure is radially provided on the turbocharger core component, and a support positioning step matched with the core positioning structure is provided on a side wall of the placement hole. In one embodiment of the present utility model, the core positioning seat further includes a core abutm