Turbocharger cold test bench
By using a sealing structure consisting of a sealed gas collection sleeve, a hard support ring and an elastic sealing ring on a turbocharger cold test bench, the problem of reduced sealing of the turbocharger exhaust pipe is solved, and convenient detection of gas leakage and accurate data collection are achieved.
Patent Information
- Application Number
- CN202422816136.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-19
AI Technical Summary
The reduced sealing between the turbocharger's exhaust pipe and the external connecting pipe leads to gas leakage, affecting the accuracy of exhaust pressure value collection. The leaked gas is difficult to detect when the flow rate is low.
A sealing structure consisting of a sealed gas collection sleeve, a hard support ring and an elastic sealing ring is used, combined with an observation gas rod and a protective arc sleeve to achieve a sealed package at the connection between the exhaust detection pipeline and the turbocharger exhaust pipe, and to ensure the accuracy of data collection by observing the expansion reaction of the gas rod to prevent leakage.
It realizes intuitive discovery of gas leakage, avoids the collection of erroneous data, protects the observation gas rod from damage, and ensures the detection effect.
Smart Images
Figure CN223461159U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to turbocharger test technical field, concretely relates to a turbocharger cold test bench. BACKGROUND
[0002] Turbocharger needs simulating test on the cold test bench after production and assembly, and needs to collect the value of intake pressure and exhaust pressure in the test process, compares the value with standard value range to judge whether the turbocharger is in compliance, in order to guarantee the accuracy of exhaust pressure value collection, the exhaust pipe of turbocharger and the outer connecting pipeline need to be sealed, but in the actual operation process, due to the wear of sealing device and pipeline installation error, the sealing property between the exhaust pipe of turbocharger and the outer connecting pipeline is reduced, gas leakage phenomenon occurs, and the noise produced by low leakage gas flow rate is small, which is not easy to be detected by staff, and when the staff continues to test the turbocharger, the accuracy of exhaust pressure value collection is reduced. UTILITARY MODEL CONTENTS
[0003] The utility model provides a turbocharger cold test bench, with the characteristics that the gas leakage of the connecting place of exhaust detection pipeline and turbocharger exhaust pipe can be found directly and conveniently, and the staff can avoid collecting error data of turbocharger when the sealing effect is reduced.
[0004] The utility model provides the following technical scheme: a turbocharger cold test bench, including cold test bench main body, test gas feeding device and exhaust detection pipeline, the outer wall of exhaust detection pipeline is fixedly connected with sealed gas gathering sleeve, the middle part of sealed gas gathering sleeve is fixedly connected with hard support ring, the middle part of sealed gas gathering sleeve is fixedly connected with elastic sealing ring, the outer wall of hard support ring is fixedly connected with observation gas rod, the inner wall of observation gas rod is fixedly connected with a plurality of staggered distribution elastic traction strips, the outer side of hard support ring is rotatably connected with protection arc sleeve.
[0005] Among them, the side wall of hard support ring is provided with exhaust hole, and the sealed gas gathering sleeve is communicated with the observation gas rod through the exhaust hole.
[0006] Among them, the one side of sealed gas gathering sleeve is fixedly connected with flared support iron ring, and the inner diameter of flared support iron ring is greater than the contraction diameter of elastic sealing ring.
[0007] Among them, the inner wall of elastic sealing ring is fixedly connected with sealing washer that plays a sealing role.
[0008] Among them, the inner wall of protection arc sleeve is fixedly connected with sliding guide sleeve, the inner wall of sliding guide sleeve is slidably connected with sliding guide rail, and the outer wall of hard support ring is fixedly connected with sliding guide rail.
[0009] The protective arc sleeve is fixedly connected with a protective plate on one side, and the protective plate covers the outer side of the sealing gas sleeve.
[0010] The width of the hard support ring is less than the width of the sealing gas sleeve connected with the exhaust detection pipeline.
[0011] The utility model discloses the beneficial effect is: through sealing gas sleeve, hard support ring and elastic sealing ring cooperation to exhaust detection pipeline and the connecting place of turbocharger exhaust pipe are sealed and wrapped, and cooperation observation gas rod expands under the support of gas, so that the staff can intuitively and conveniently find that exhaust detection pipeline and the connecting place of turbocharger exhaust pipe gas leak, avoid the staff to collect the error data of turbocharger when the sealing effect drops, and the cooperation of protective arc sleeve and hard support ring can protect observation gas rod, avoid observation gas rod and lead to detection effect drop under the environment of the mechanical component and tool damage.
[0012] The part not involved in the device is same as the prior art or can be realized by using the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural schematic diagram of the utility model;
[0014] Figure 2 It is Figure 1 The enlarged view of A part in the middle;
[0015] Figure 3 It is the structural schematic diagram of observation gas rod and protective arc sleeve in the utility model;
[0016] Figure 4 It is the structural schematic diagram of protective arc sleeve in the utility model.
[0017] In the drawing: 1, cold test bench main body; 11, test gas feeding device; 12, exhaust detection pipeline; 2, sealing gas sleeve; 21, hard support ring; 211, exhaust hole; 22, elastic sealing ring; 23, flared support iron ring; 24, sealing washer; 3, observation gas rod; 31, elastic traction strip; 4, protective arc sleeve; 41, sliding guide sleeve; 42, sliding guide rail; 43, protective plate. DETAILED DESCRIPTION
[0018] Please refer to Figures 1-4The utility model provides the following technical scheme: A turbocharger cold test bench, including cold test bench main body 1, test air feeding device 11 and exhaust detection pipeline 12, the outer wall fixedly connected with sealed gas gathering sleeve 2 of exhaust detection pipeline 12, the middle fixedly connected with hard support ring 21 of sealed gas gathering sleeve 2, the middle fixedly connected with elastic sealing ring 22 of sealed gas gathering sleeve 2, the outer wall fixedly connected with observation gas rod 3 of hard support ring 21, the inner wall fixedly connected with a plurality of staggered distribution elastic traction strip 31 of observation gas rod 3, the outer side rotatable connection has protection arc cover 4 of hard support ring 21.
[0019] In the embodiment: The staff installs the turbocharger in the predetermined position, and the exhaust detection pipeline 12 is connected with the exhaust pipe of the turbocharger, then the staff sets the flared support iron ring 23, the elastic sealing ring 22, the hard support ring 21 and the sealed gas gathering sleeve 2 on the outer side of the exhaust detection pipeline 12 and the exhaust pipe of the turbocharger, the elastic sealing ring 22 is fixed on the outer wall of the exhaust pipe of the turbocharger by the binding of the tie, the gas is input to the turbocharger by the air feeding device installed on the cold test bench main body 1 through the test air feeding device 11, the exhaust pipe of the turbocharger synchronously transports the gas to the exhaust detection pipeline 12, the pressure of the exhaust gas of the turbocharger is detected by the detection device installed on the exhaust detection pipeline 12, the connection place of the exhaust detection pipeline 12 and the exhaust pipe of the turbocharger is sealed and wrapped by the cooperation of the sealed gas gathering sleeve 2, the hard support ring 21 and the elastic sealing ring 22, when the sealing effect of the connection place of the exhaust detection pipeline 12 and the exhaust pipe of the turbocharger is good, the observation gas rod 3 is in the contraction state under the traction of the elastic traction strip 31, the staff normally collects data, when the gas leakage occurs at the connection place of the exhaust detection pipeline 12 and the exhaust pipe of the turbocharger, the observation gas rod 3 is expanded under the action of the gas, the staff can intuitively and conveniently find the gas leakage at the connection place of the exhaust detection pipeline 12 and the exhaust pipe of the turbocharger, stops the detection and data collection of this time, and the sealing device at the joint of the exhaust detection pipeline 12 is replaced and repaired again to test the turbocharger, avoids that the staff collects the error data of the turbocharger when the sealing effect is reduced, the protection arc cover 4 and the hard support ring 21 can protect the observation gas rod 3, when the equipment is suspended, the staff manually rotates the protection arc cover 4, covers the protection arc cover 4 on the outer side of the observation gas rod 3, avoids that the observation gas rod 3 is damaged in the environment full of mechanical components and tools and causes the leakage.
[0020] The exhaust hole 211 is arranged in the side wall of the hard support ring 21, and the sealed gas gathering sleeve 2 is communicated with the observation gas rod 3 through the exhaust hole 211; the exhaust hole 211 can facilitate the gas in the sealed gas gathering sleeve 2 to be transported into the observation gas rod 3.
[0021] The sealing poly-air sleeve 2 is fixedly connected with an expanded support iron ring 23 on one side, and the inner diameter of the expanded support iron ring 23 is larger than the contraction diameter of the elastic sealing ring 22; the elastic sealing ring 22 is in a state of elastic contraction to fit the outer wall of the exhaust pipe of the turbocharger, thereby improving the sealing effect; the expanded support iron ring 23 can guide and expand the edge of the elastic sealing ring 22, so that the staff can set the elastic sealing ring 22 on the outer wall of the exhaust pipe of the turbocharger.
[0022] The inner wall of the elastic sealing ring 22 is fixedly connected with a sealing washer 24 for sealing; the sealing washer 24 can improve the sealing effect of the elastic sealing ring 22 and the outer wall of the exhaust pipe of the turbocharger; the sealing washer 24 can be deformed to fill the gaps of the uneven outer wall of the exhaust pipe of the turbocharger.
[0023] The inner wall of the protective arc sleeve 4 is fixedly connected with a sliding guide sleeve 41, the inner wall of the sliding guide sleeve 41 is slidingly connected with a sliding guide rail 42, and the sliding guide rail 42 is fixedly connected to the outer wall of the hard support ring 21; the sliding guide sleeve 41 and the sliding guide rail 42 can support and guide the protective arc sleeve 4, so that the protective arc sleeve 4 can rotate outside the hard support ring 21, and the space between the protective arc sleeve 4 and the hard support ring 21 can accommodate the observation gas rod 3.
[0024] One side of the protective arc sleeve 4 is fixedly connected with a protective plate 43, and the protective plate 43 covers the outer side of the sealing poly-air sleeve 2; the protective plate 43 can play a protective role to prevent the sealing poly-air sleeve 2 from being damaged.
[0025] The width of the hard support ring 21 is smaller than the width of the sealing poly-air sleeve 2 connected with the exhaust detection pipeline 12; the width of the hard support ring 21 is small, so that the hard support ring 21 can completely overlap the sealing poly-air sleeve 2, so that the hard support ring 21 and the sealing poly-air sleeve 2 are set in the overlapping state on the outer wall of the exhaust detection pipeline 12, and further move the elastic sealing ring 22 and the expanded support iron ring 23 to the exhaust detection pipeline 12, so that the end of the exhaust detection pipeline 12 can be directly exposed, so as to facilitate the staff to connect the exhaust detection pipeline 12 with the exhaust pipe of the turbocharger.
[0026] The utility model discloses a working principle and use flow: the staff installs turbocharger in predetermined position, then the staff sets up the flared support iron ring 23, elastic packing ring 22, hard support ring 21 and sealed poly gas cover 2 in the outside of exhaust detection pipeline 12 and the exhaust pipe connecting place of turbocharger, and elastic packing ring 22 is fixed through the ribbon binding in the exhaust pipeline outer wall of turbocharger, when the sealing effect of exhaust detection pipeline 12 and the exhaust pipe connecting place of turbocharger is good, the observation gas rod 3 is under the traction of elastic traction strip 31 and is in the contraction state, and the staff normal collection data, when the gas leak appears in the exhaust detection pipeline 12 and the exhaust pipe connecting place of turbocharger, the observation gas rod 3 is expanded under the action of gas and is expanded, and the staff can intuitively and conveniently find the gas leak of the connecting place of exhaust detection pipeline 12 and the exhaust pipe of turbocharger, stop this detection and data collection, and after the replacement maintenance of the sealing device of exhaust detection pipeline 12 joint, test the turbocharger again, avoid the staff to collect the error data of turbocharger when the sealing effect declines.
Claims
1. A turbocharger cold test bench comprising a cold test bench body (1), a test air supply device (11) and an exhaust gas detection duct (12), characterized in that: The exhaust detection pipeline (12) is fixedly connected with a sealed air sleeve (2) outside the wall, the middle part of the sealed air sleeve (2) is fixedly connected with a hard support ring (21), the middle part of the sealed air sleeve (2) is fixedly connected with an elastic sealing ring (22), the outer wall of the hard support ring (21) is fixedly connected with an observation air rod (3), the inner wall of the observation air rod (3) is fixedly connected with a plurality of elastic traction strips (31) distributed staggeredly, and the outer side of the hard support ring (21) is rotatably connected with a protective arc sleeve (4).
2. A turbocharger cold test bench according to claim 1, characterized in that: The hard support ring (21) is provided with an exhaust hole (211) in the side wall, and the sealed air sleeve (2) is communicated with the observation air rod (3) through the exhaust hole (211).
3. A turbocharger cold test bench according to claim 1, characterized in that: One side of the sealed air sleeve (2) is fixedly connected with a flared support iron ring (23), and the inner diameter of the flared support iron ring (23) is greater than the contraction diameter of the elastic sealing ring (22).
4. A turbocharger cold test bench according to claim 1, characterized in that: The inner wall of the elastic sealing ring (22) is fixedly connected with a sealing gasket (24) for sealing.
5. A turbocharger cold test bench according to claim 1, characterized in that: The inner wall of the protective arc sleeve (4) is fixedly connected with a sliding guide sleeve (41), the inner wall of the sliding guide sleeve (41) is slidably connected with a sliding guide rail (42), and the sliding guide rail (42) is fixedly connected to the outer wall of the hard support ring (21).
6. A turbocharger cold test bench according to claim 1, characterized in that: One side of the protective arc sleeve (4) is fixedly connected with a protective plate (43), and the protective plate (43) covers the outer side of the sealed air sleeve (2).
7. A turbocharger cold test bench according to claim 1, characterized in that: The width of the hard support ring (21) is less than the width of the sealed air sleeve (2) connected with the exhaust detection pipeline (12).