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CN-224202694-U - Piston ring elasticity check out test set

CN224202694UCN 224202694 UCN224202694 UCN 224202694UCN-224202694-U

Abstract

The utility model discloses piston ring elasticity detection equipment which comprises a base, a central shaft, a supporting disc, a mounting disc, at least three groups of sliding assemblies and a driving unit, wherein the mounting disc is coaxially and fixedly assembled on the central shaft and positioned below the supporting disc, the sliding assemblies are uniformly distributed along the circumferential direction of the mounting disc and are in sliding connection with the mounting disc along the corresponding radial direction of the mounting disc, the driving unit is used for gathering or dispersing the sliding assemblies, the sliding assemblies comprise a pair of vertical limiting shafts which are arranged at intervals along the sliding direction and penetrate through the supporting disc upwards, a rotating sleeve is sleeved on the limiting shafts in a rotating way, a plurality of first strip-shaped through grooves for the corresponding limiting shafts to penetrate through are formed in the supporting disc in a penetrating way, during testing, the opening positions of piston rings do not need to be paid attention to, the opening positions of the piston rings are positioned at any positions, the piston rings can be tested, the time required for placing the piston rings is reduced, the piston rings are horizontally placed on the supporting disc, the specific positions of the piston rings do not need to be adjusted, and the detection efficiency is improved.

Inventors

  • TAO NENGJUN

Assignees

  • 芜湖依格森汽车部件有限公司

Dates

Publication Date
20260505
Application Date
20250610

Claims (7)

  1. 1. The piston ring elasticity detection equipment is characterized by comprising a base (1), a vertical central shaft (2) fixedly assembled on the base (1), a supporting disc (3) fixedly assembled at the top end of the central shaft (2) on the same axis, a mounting disc (4) fixedly assembled on the central shaft (2) on the same axis and positioned below the supporting disc (3), at least three groups of sliding components which are uniformly distributed along the circumferential direction of the mounting disc (4) and are in sliding connection with the mounting disc (4) along the radial direction corresponding to the mounting disc (4), and a driving unit for gathering or dispersing with a plurality of groups of sliding components; The sliding assembly comprises a pair of vertical limiting shafts (5) which are arranged at intervals along the sliding direction and upwards penetrate through the supporting disc (3), a rotating sleeve (6) is sleeved on the limiting shafts (5) in a rotating mode, and a plurality of first strip-shaped through grooves (7) which are used for enabling the corresponding limiting shafts (5) to penetrate through are formed in the supporting disc (3).
  2. 2. The piston ring elasticity detection device according to claim 1, wherein the mounting plate (4) is provided with second strip-shaped through grooves (8) corresponding to the plurality of first strip-shaped through grooves (7) in a penetrating manner, and the length direction of the second strip-shaped through grooves (8) is consistent with the radial direction corresponding to the mounting plate (4); the sliding assembly further comprises a sliding block (9) which is assembled on the second strip-shaped through groove (8) in a sliding manner and is fixedly connected with the pair of limiting shafts (5), a connecting seat (10) which is fixedly connected with the lower surface of the sliding block (9) and is positioned below the mounting plate (4), U-shaped pieces (11) with two ends respectively positioned at two sides of the connecting seat (10), guide wheels (12) which are assembled on the U-shaped pieces (11) and are in transmission connection with the driving unit, and a pair of pressure sensors (13) which are arranged at intervals along the length direction of the corresponding second strip-shaped through groove (8) and are respectively assembled at two ends of the U-shaped pieces (11); The distance between a pair of pressure sensors (13) is larger than the thickness of a connecting seat (10), the end parts of the pressure sensors (13) are arranged towards the connecting seat (10), and the connecting seat (10) is in sliding connection with the connecting seat (10) along the sliding direction of a sliding block (9).
  3. 3. A piston ring elasticity detecting device according to claim 2, characterized in that the driving unit comprises an adjusting disc (14) coaxially assembled on the central shaft (2) through a bearing and positioned below the mounting disc (4), an annular rack (15) coaxially assembled on the outer edge of the adjusting disc (14), a motor (16) assembled on the base (1) and a gear assembled on the output shaft of the motor (16) and meshed with the annular rack (15), a plurality of arc-shaped through grooves (17) for sliding through corresponding guide wheels (12) are penetrated through the adjusting disc (14), and the arc-shaped through grooves (17) and the mounting disc (4) are arranged in an off-axis manner.
  4. 4. The piston ring elasticity detection device according to claim 1, wherein the top of the supporting disc (3) is provided with a safety auxiliary mechanism, the safety auxiliary mechanism comprises a limiting arm (18) assembled on the edge of the supporting disc (3) through a hinge seat and a bolt (19) assembled on the edge of the supporting disc (3) far away from the hinge seat, a positioning hole matched with the bolt (19) is penetrated and arranged on the end part of the limiting arm (18) far away from the hinge seat, and a supporting part (20) capable of being contacted with the supporting disc (3) is convexly arranged on the end part of the limiting arm (18) far away from the hinge seat.
  5. 5. A piston ring spring force detecting apparatus according to claim 2, wherein the slider (9) comprises a pair of slide plates respectively located above and below the mounting plate (4), each of the slide plates being slidably connected to the mounting plate (4) by a plurality of balls, and the pair of slide plates being connected by mounting bolts passing through a plurality of second bar-shaped through grooves (8).
  6. 6. A piston ring spring force detecting apparatus according to claim 2, wherein a plurality of guide pins (21) sliding through the connecting seat (10) are provided at the end of the U-shaped member (11), and the length direction of the guide pins (21) coincides with the sliding direction of the slider (9).
  7. 7. A piston ring spring force detection apparatus according to claim 1, characterized in that the base (1) is fitted with a housing (22).

Description

Piston ring elasticity check out test set Technical Field The utility model relates to the technical field related to piston ring detection, in particular to piston ring elastic force detection equipment. Background The piston ring is a metal ring for being embedded into the groove of the piston, and is divided into two types, namely a compression ring and an engine oil ring. The compression ring can be used for sealing the combustible mixed gas in the combustion chamber, and the engine oil ring can be used for scraping off excessive engine oil on the cylinder. The piston ring is a metal elastic ring having a large outward expansion deformation, and is fitted into an annular groove having a cross section corresponding thereto. The reciprocating and rotating piston ring forms a seal between the outer circumferential surface of the ring and the cylinder and one side of the ring and the ring groove by means of a pressure difference of gas or liquid. The patent document No. CN202420266595.4 discloses a piston ring elasticity testing device, which is characterized in that a supporting roller is arranged on a supporting component, a pressing roller is arranged on a pressing component, and then a piston ring is contacted with the supporting roller and the pressing roller, so that each part of the piston ring can flexibly slide to a certain extent in the process of pressing the piston ring by the pressing roller, and the problem that the piston ring part is limited in the background technology, so that the part cannot participate in elastic deformation and the elasticity of the test is inaccurate is avoided. However, the above patent still has the following shortcomings, when the piston ring is tested, the piston ring needs to be vertically placed, and because of the thickness limitation of the piston ring, the piston is vertically placed and easy to incline and topple over, so that the required time is increased, the overall detection efficiency is low, and therefore, a piston ring elasticity detection device needs to be designed. Disclosure of utility model Aiming at the technical problems, the utility model aims to solve the problem of low efficiency in piston ring detection in the prior art. In order to achieve the aim, the utility model provides piston ring elasticity detection equipment which comprises a base, a vertical central shaft fixedly assembled on the base, a supporting disc coaxially fixedly assembled on the top end of the central shaft, a mounting disc coaxially fixedly assembled on the central shaft and positioned below the supporting disc, at least three groups of sliding components uniformly distributed along the circumferential direction of the mounting disc and in sliding connection with the mounting disc along the corresponding radial direction of the mounting disc, and a driving unit for gathering or dispersing the sliding components with a plurality of groups; The sliding assembly comprises a pair of vertical limiting shafts which are arranged at intervals along the sliding direction and upwards penetrate through the supporting disc, a rotating sleeve is sleeved on the limiting shafts in a rotating mode, and a plurality of first strip-shaped through grooves for the corresponding limiting shafts to penetrate through are formed in the supporting disc in a penetrating mode. Preferably, the mounting plate is provided with a plurality of first strip-shaped through grooves in a penetrating manner, and the length direction of each second strip-shaped through groove is consistent with the radial direction corresponding to the mounting plate; The sliding assembly further comprises a sliding block, a connecting seat, U-shaped pieces, guide wheels and a pair of pressure sensors, wherein the sliding block is assembled on the second strip-shaped through groove in a sliding mode and is fixedly connected with the pair of limiting shafts, the connecting seat is fixedly connected with the lower surface of the sliding block and is positioned below the mounting disc, the two ends of the U-shaped pieces are respectively positioned at two sides of the connecting seat, the guide wheels are assembled on the U-shaped pieces and are in transmission connection with the driving unit, and the pair of pressure sensors are arranged along the length direction of the corresponding second strip-shaped through groove at intervals and are respectively assembled at two ends of the U-shaped pieces; The interval between a pair of pressure sensor is greater than the thickness of connecting seat, pressure sensor's tip sets up towards the connecting seat, the connecting seat is along the slip direction and the connecting seat sliding connection of slider. Preferably, the driving unit comprises a regulating disc coaxially assembled on the central shaft through a bearing and positioned below the mounting disc, an annular rack coaxially assembled on the outer edge of the regulating disc, a motor assembled on the base and a gear assemb