Engine thrust plate checking and loading device

Abstract

The utility model relates to an engine thrust plate checking and loading device in the technical field of engine detection. The engine thrust plate checking and loading device comprises a first support; the rotary connector is horizontally arranged on the first support, a first connecting end and a second connecting end are formed at the two ends of the rotary connector, and the first connecting end can rotate relative to the second connecting end; the second support is located on the side, away from the first connecting end, of the second connecting end. The tension-compression sensor is horizontally arranged on the second bracket, and one end of the tension-compression sensor faces the first bracket; one end of the transition plate is connected with the second connecting end, the other end is connected with one end, facing the first bracket, of the tension-compression sensor, and any position between the two ends is movably connected with the first bracket to form a lever fulcrum; the driving mechanism is used for driving the tension and compression sensor to move in the direction away from the first support. According to the loading device, automatic loading of the axial force of the crankshaft can be achieved, the higher loading force upper limit is achieved, the loading process is smooth, and the loading force of the engine in the static state and the dynamic state can be kept consistent.

Description

TECHNICAL FIELD

[0001] The present application relates to the engine detection technical field, especially to an engine thrust piece examination loading device. BACKGROUND

[0002] Excessive engine crankshaft axial force can cause crankshaft axial movement, affecting the normal operation of the engine, so it is necessary to understand the influence of the crankshaft under axial force loading on related parts during engine operation, so as to develop relevant improvement measures and improve the reliability of the engine.

[0003] As shown in the prior art, Figure 1 The current crankshaft axial force loading device includes a test support 1, a loading support 2, a loading bolt 3, a force transmission bolt 5, two support assemblies 7, a pressure sensor 8, a test fixed part 10, and a test connection rotating part 11. The test support 1 is arranged on the side of the pulley of the engine to be tested. The loading support 2 is arranged on the test support. The loading bolt 3 is fixed on the loading support 2 through a first locking nut 4. The two support assemblies 7 are arranged on the test support 1 at a certain distance and are located between the loading support 2 and the pulley. Each support assembly 7 is provided with a sensor assembly hole. The pressure sensor 8 is arranged in the sensor assembly hole and is fixed by a second locking nut 6 and a third locking nut 9. The pressure sensor 8 has a screw hole at both ends. One end of the force transmission bolt 5 is screwed into the screw hole at one end of the pressure sensor 8, and the other end abuts against the loading bolt 3. The test fixed part 10 is provided with a thrust bearing in the bearing hole at one end, and a threaded stud at the other end is screwed into the screw hole at the other end of the pressure sensor. One end of the test connection rotating part 11 is connected to the thrust bearing, and the other end is connected to the pulley. The test connection rotating part can rotate with the pulley.

[0004] However, the current crankshaft axial force loading device needs to manually tighten the loading bolt 3 to apply the loading force. It cannot automatically load, and the loading force provided by the loading bolt 3 is limited. In addition, it is difficult to keep the loading force consistent under the dynamic and static state of the engine. CONTENT OF THE UTILITY MODEL

[0005] In view of the problems in the background art, the present application provides an engine thrust piece examination loading device, which can automatically load the crankshaft axial force, has a higher upper limit of the loading force, and can keep the loading force consistent under the static and dynamic state of the engine.

[0006] According to one aspect of the utility model, provide a kind of engine thrust washer examination loading device, comprising: first support;Rotary connector, the rotary connector is horizontally arranged on the first support, the rotary connector is horizontally slidably connected with the first support, the both ends of the rotary connector are coaxially arranged first connecting end and second connecting end, the first connecting end can rotate relative to the second connecting end;Second support, the second support is located at the side of the second connecting end away from the first connecting end, the second support is spaced apart from the first support;Tension and compression sensor, the tension and compression sensor is horizontally arranged on the second support, the tension and compression sensor is horizontally slidably connected with the second support, one end of the tension and compression sensor is towards the first support, the other end of the tension and compression sensor is away from the first support;Transition plate, one end of the transition plate is connected with the second connecting end, the other end of the transition plate is connected with the one end of the tension and compression sensor towards the first support, any position between the both ends of the transition plate is movably connected with the first support to form lever fulcrum;Driving mechanism, the driving mechanism is installed on the second support, the driving mechanism is connected with the one end of the tension and compression sensor away from the first support, and the driving mechanism is used to drive the tension and compression sensor to move away from the first support.

[0007] In some embodiments of the utility model, the engine thrust washer examination loading device further comprises: a height adjusting device installed at the bottom of the first support, for adjusting the height of the first support.

[0008] In some embodiments of the utility model, the engine thrust washer examination loading device further comprises: a first plate arranged close to the driving mechanism, connected with the tension and compression sensor; a second plate arranged close to the tension and compression sensor, connected with the driving mechanism; and an elastic member clamped between the first plate and the second plate.

[0009] In some embodiments of the utility model, a linear guide rail is provided between the first plate and / or the second plate and the second support, and the first plate and / or the second plate are slidably connected with the second support through the linear guide rail, and the linear guide rail is parallel to the compression direction of the elastic member.

[0010] In some embodiments of the utility model, the rotary connector comprises a rotating shaft, a thrust bearing and a compression shaft, the thrust bearing comprises a shaft ring and a seat ring, the rotating shaft is coaxially connected with the shaft ring, the compression shaft is coaxially connected with the seat ring, one end of the rotating shaft away from the thrust bearing forms the first connecting end, and one end of the compression shaft away from the thrust bearing forms the second connecting end.

[0011] In some embodiments of the utility model, the one end of the top pin is formed with a pointed end towards the one end of the compression shaft, the surface of the compression shaft is formed with a groove matched with the pointed end, and the one end of the top pin away from the compression shaft is used for connecting with the transition plate.

[0012] In some embodiments of the utility model, the driving mechanism comprises a linear transmission mechanism horizontally fixed on the second support, a connecting plate, one end of the connecting plate connected with the tension and pressure sensor, the other end of the connecting plate connected with the telescopic end of the linear transmission mechanism, and the second support movably connected with any position between the two ends of the connecting plate to form a lever fulcrum.

[0013] In some embodiments of the utility model, the connecting plate is connected with the tension and pressure sensor and / or the connecting plate is connected with the linear transmission mechanism through Y-shaped joints and I-shaped joints.

[0014] In some embodiments of the utility model, the linear transmission mechanism is an electric cylinder.

[0015] In some embodiments of the utility model, the transition plate and the tension and pressure sensor are connected through a connecting rope.

[0016] The engine thrust piece examination loading device provided by the embodiment of the application connects the connecting assembly and the loading assembly through a connecting rope, connects and fixes the belt pulley or the flywheel with the rotating shaft during the test, opens and adjusts the linear transmission mechanism according to the required loading force value, outputs the equivalent tension to the tension and pressure sensor through the linear transmission mechanism, the connecting plate and the actuating mechanism, converts the equivalent pressure to the top pin, the compression shaft, the thrust bearing and the rotating shaft through the transition plate, and acts on the crankshaft, so that the automatic loading of the crankshaft axial force can be realized, the upper limit of the loading force is higher, the loading process is smooth, and the loading force under the static state and the dynamic state of the engine can be kept consistent. BRIEF DESCRIPTION OF DRAWINGS

[0017] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments with reference made to the accompanying drawings. The drawings are for purposes of illustration only and are not intended to be limiting in any respect. In the drawings:

[0018] Figure 1 It is a structural schematic view of the prior art crankshaft axial force loading device;

[0019] Figure 2 It is a whole structural schematic view of the engine thrust piece examination loading device of the embodiment of the application;

[0020] Figure 3 is a structural schematic diagram embodying a connecting assembly;

[0021] Figure 4 is a structural schematic diagram embodying a loading assembly;

[0022] Figure 5 is a structural schematic diagram embodying an actuating mechanism;

[0023] Figure 6 is a structural schematic diagram embodying a rotary connector;

[0024] Figure 7 is a structural schematic diagram embodying a Y-type joint and an I-type joint.

[0025] In the drawings, various reference numerals represent the following items:

[0026] 1, test support; 2, loading support; 3, loading bolt; 4, first locking nut; 5, force transmission bolt; 6, second locking nut; 7, support assembly; 8, pressure sensor; 9, third locking nut; 10, test fixed part; 11, test connecting rotating part;

[0027] 100, connecting assembly; 101, first support; 102, rotary connector; 1021, rotating shaft; 1022, thrust bearing; 1023, pressing shaft; 1024, outer shell; 103, transition plate; 104, height adjusting device; 105, center;

[0028] 200, connecting rope;

[0029] 300, loading assembly; 301, second support; 302, tension and pressure sensor; 3031, linear transmission mechanism; 3032, connecting plate; 304, actuating mechanism; 3041, first plate; 3042, second plate; 3043, elastic member; 3044, linear guide rail; 305, Y-type joint; 306, I-type joint;

[0030] 400, control screen. DETAILED DESCRIPTION

[0031] It should be clear that the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0032] The following description refers to the accompanying drawings. Unless otherwise noted, same or similar components in different drawings have same or similar reference numerals. The implementations described in the following exemplary embodiments are not meant to represent all implementations consistent with the present disclosure. Rather, they are simply examples of apparatuses and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0033] In the description of the present application, it should be understood that the terms "first", "second" and the like are used to describe various elements, but not to indicate or imply relative importance. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, in the description of the present application, "a plurality of" means two or more, unless otherwise specified. The "and / or" describes the relationship between the associated objects, which means that there can be three relationships, for example, A and / or B can represent the three cases of A alone, A and B together, and B alone. The character " / " generally represents that the associated objects before and after are in an "or" relationship.

[0034] The engine thrust piece examination loading device is disclosed in the embodiments of the present application. As shown in the figure, the engine thrust piece examination loading device comprises a connecting assembly 100 and a loading assembly 300, the connecting assembly 100 comprises a first support 101, a rotating connector 102 and a transition plate 103, and the loading assembly 300 comprises a second support 301, a tension and compression sensor 302 and a driving mechanism. Figures 2-4

[0035] The rotating connector 102 is horizontally arranged on the first support 101, the rotating connector 102 is horizontally slidably connected with the first support 101, and the two ends of the rotating connector 102 are coaxially arranged as a first connecting end and a second connecting end, and the first connecting end can rotate relative to the second connecting end.

[0036] The second support 301 is located on the side of the second connecting end away from the first connecting end, and the second support 301 is spaced apart from the first support 101.

[0037] The tension and compression sensor 302 is horizontally arranged on the second support 301, the tension and compression sensor 302 is horizontally slidably connected with the second support 301, one end of the tension and compression sensor 302 faces the first support 101, and the other end of the tension and compression sensor 302 is away from the first support 101.

[0038] One end of the transition plate 103 is connected with the second connecting end, the other end of the transition plate 103 is connected with the one end of the tension and compression sensor 302 facing the first support 101, and any position between the two ends of the transition plate 103 is movably connected with the first support 101 to form a lever fulcrum.

[0039] ​The driving mechanism is installed on the second support 301, and the driving mechanism is connected with the one end of the tension and pressure sensor 302 away from the first support 101, and the driving mechanism is used for driving the tension and pressure sensor 302 to move away from the first support 101.

[0040] By using the engine thrust piece loading device, the pulley or the flywheel is connected and fixed with the first connecting end during the test, the driving mechanism is started and adjusted according to the required loading force value, the driving mechanism is driven to output the equivalent tension to the tension and pressure sensor 302, and the equivalent pressure is converted to the rotating connector 102 through the transition plate 103 and acts on the crankshaft, so that the automatic loading of the crankshaft axial force can be realized, the upper limit of the loading force is higher, the loading process is smooth, and the loading force under the static and dynamic conditions of the engine can be kept consistent.

[0041] In some embodiments of the present application, as shown in Figure 3 The height adjusting device 104 is installed at the bottom of the first support 101, and the height adjusting device 104 is used for adjusting the height of the first support 101.

[0042] Through the height adjusting device 104, the height of the first support 101 can be adjusted, so that the height of the rotating connector 102 can be adjusted, and the crankshaft at different horizontal heights can be better adapted.

[0043] In some embodiments of the present application, the height adjusting device 104 includes but is not limited to using vertically arranged air cylinders, oil cylinders, electric cylinders and the like, or lifting platforms driven by gear transmission, hydraulic adjustment and the like.

[0044] In some embodiments of the present application, as shown in Figure 4 and Figure 5 The loading assembly 300 further comprises an actuating mechanism 304.

[0045] The actuating mechanism 304 comprises a first plate 3041, a second plate 3042 and an elastic member 3043; wherein the first plate 3041 is arranged close to the driving mechanism, and the first plate 3041 is connected with the tension and pressure sensor 302; the second plate 3042 is arranged close to the tension and pressure sensor 302, and the second plate 3042 is connected with the driving mechanism; and the elastic member 3043 is clamped between the first plate 3041 and the second plate 3042.

[0046] The elastic member 3043 in the actuating mechanism 304 can ensure that the force is stably transmitted to the tension and pressure sensor 302.

[0047] In some embodiments of the present application, the elastic member 3043 includes but is not limited to spring, elastic block and other elastic structures.

[0048] In some embodiments of the utility model, as shown in Figure 4 and Figure 5 The first plate 3041 and / or the second plate 3042 are provided with a linear guide rail 3044 between the second support 301, the first plate 3041 and / or the second plate 3042 are slidably connected with the second support 301 through the linear guide rail 3044, and the linear guide rail 3044 is parallel to the compression direction of the elastic member 3043.

[0049] By slidably connecting the first plate 3041 and / or the second plate 3042 with the second support 301, the excessive downward gravity of the actuating mechanism 304 due to its own gravity can be avoided, and the actuating mechanism 304 can play a role in force transmission while reducing the influence of the actuating mechanism 304 on the tension-compression sensor 302 and / or the driving mechanism.

[0050] It should be noted that the first plate 3041 can be slidably connected with the second support 301, the second plate 3042 can be slidably connected with the second support 301, or the first plate 3041 and the second plate 3042 can be slidably connected with the second support 301 at the same time.

[0051] In some embodiments of the utility model, as shown in Figure 3 and Figure 6 The rotating connector 102 comprises a rotating shaft 1021, a thrust bearing 1022 and a compression shaft 1023, the thrust bearing 1022 comprises a shaft ring and a seat ring, the rotating shaft 1021 is coaxially connected with the shaft ring, the compression shaft 1023 is coaxially connected with the seat ring, one end of the rotating shaft 1021 away from the thrust bearing 1022 forms a first connecting end, and one end of the compression shaft 1023 away from the thrust bearing 1022 forms a second connecting end.

[0052] By using the thrust bearing 1022 to coaxially rotate the rotating shaft 1021 and the compression shaft 1023, when an axial force is applied to the compression shaft 1023, an axial force can be applied to the rotating shaft 1021 and the pulley or the flywheel connected with the rotating shaft 1021, and the rotating shaft 1021 can rotate freely relative to the compression shaft 1023 through the thrust bearing 1022.

[0053] In some embodiments of the utility model, the rotating shaft 1021 and the compression shaft 1023 are axially connected through a shell 1024, the thrust bearing 1022 is arranged in the shell 1024 and clamped between the rotating shaft 1021 and the compression shaft 1023, and the shell 1024 can form an integral structure of the rotating shaft 1021, the thrust bearing 1022 and the compression shaft 1023.

[0054] In some embodiments of the utility model, as shown in Figure 3 and Figure 6As shown, the pressing shaft 1023 is provided with a top tip 105 on the side away from the thrust bearing 1022, the top tip 105 is formed with a pointed end towards one end of the pressing shaft 1023, and the pressing shaft 1023 is formed with a groove matched with the pointed end, and the end of the top tip 105 away from the pressing shaft 1023 is used to connect with the transition plate 103.

[0055] The top tip 105 is matched with the groove on the pressing shaft 1023 to connect the rotary connector 102 and the transition plate 103, and when the transition plate 103 exerts force on the rotary connector 102 through the lever principle, the top tip 105 exerts force on the pressing shaft 1023 more stably, and reduces the instability of the transition plate 103 exerting pressure on the rotary connector 102 due to the inclination of the transition plate 103.

[0056] In some embodiments of the present application, as shown in Figure 4 The driving mechanism includes a linear transmission mechanism 3031 and a connecting plate 3032.

[0057] The linear transmission mechanism 3031 is horizontally fixed on the second support 301; one end of the connecting plate 3032 is connected with the tension and pressure sensor 302, the other end of the connecting plate 3032 is connected with the telescopic end of the linear transmission mechanism 3031, and any position between the two ends of the connecting plate 3032 is movably connected with the second support 301 to form a lever fulcrum.

[0058] The contraction of the telescopic end of the linear transmission mechanism 3031 drives the movement of the connecting plate 3032 at one end of the linear transmission mechanism 3031, so that the one end of the connecting plate 3032 based on the lever principle exerts tension on the tension and pressure sensor 302, thereby exerting force on the transition plate 103.

[0059] In some embodiments of the present application, as shown in Figure 4 and Figure 7 The connecting plate 3032 is connected with the tension and pressure sensor 302 and / or the connecting plate 3032 is connected with the linear transmission mechanism 3031 through a Y-shaped joint 305 and an I-shaped joint 306.

[0060] The connecting plate 3032 is connected with the tension and pressure sensor 302 and the connecting plate 3032 is connected with the linear transmission mechanism 3031 through the Y-shaped joint 305 and the I-shaped joint 306, which can ensure that the connecting plate 3032 does not interfere when rotating based on the lever principle.

[0061] In some embodiments of the present application, the linear transmission mechanism 3031 includes but is not limited to an electric cylinder, an electric push rod, an air cylinder, a hydraulic cylinder or a linear motor.

[0062] In some embodiments of the present application, as shown in Figure 2As shown, the transition plate 103 is connected with the tension and compression sensor 302 through the connecting rope 200, preferably a steel wire rope.

[0063] In some embodiments of the present application, as shown in Figure 2 As shown, the second support 301 is provided with a control screen 400, and the control screen 400 is connected with the linear transmission mechanism 3031 and the tension and compression sensor 302, and the output force value can be set and displayed in real time through the control screen 400.

[0064] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A loading device for testing engine thrust plates, characterized in that, The utility model relates to a kind of height-adjustable mechanism, including: First support; Rotary connector, the rotary connector is horizontally arranged on the first support, the rotary connector is horizontally slidingly connected with the first support, two ends of the rotary connector form coaxially arranged first connection end and second connection end, the first connection end can be rotated relative to the second connection end; Second support, the second support is located at the second connection end side away from the first connection end, the second support is spaced apart from the first support; Tension sensor, the tension sensor is horizontally arranged on the second support, the tension sensor is horizontally slidingly connected with the second support, one end of the tension sensor is towards the first support, the other end of the tension sensor is away from the first support; Transition plate, one end of the transition plate is connected with the second connection end, the other end of the transition plate is connected with the one end of the tension sensor towards the first support, any position between the two ends of the transition plate is movably connected with the first support to form a lever fulcrum; Driving mechanism, the driving mechanism is installed on the second support, the driving mechanism is connected with the one end of the tension sensor away from the first support, and the driving mechanism is used to drive the tension sensor to move away from the first support.

2. The engine thrust washer load testing apparatus of claim 1, wherein, Further including: Height adjusting device, the height adjusting device is installed on the bottom of the first support, and the height adjusting device is used to adjust the height of the first support.

3. The engine thrust washer load testing apparatus of claim 1, wherein: Further including: First plate, the first plate is arranged close to the driving mechanism, and the first plate is connected with the tension sensor; Second plate, the second plate is arranged close to the tension sensor, and the second plate is connected with the driving mechanism; Elastic member, the elastic member is clamped between the first plate and the second plate.

4. The engine thrust washer load testing apparatus of claim 3, wherein, Linear guide rail is provided between the first plate and / or the second plate and the second support, the first plate and / or the second plate are slidingly connected with the second support through the linear guide rail, and the linear guide rail is parallel to the compression direction of the elastic member.

5. The engine thrust washer load testing apparatus of claim 1, wherein, The rotary connector includes a rotating shaft, a thrust bearing and a compression shaft, the thrust bearing includes a shaft ring and a seat ring, the rotating shaft is coaxially connected with the shaft ring, the compression shaft is coaxially connected with the seat ring, one end of the rotating shaft away from the thrust bearing forms the first connection end, and one end of the compression shaft away from the thrust bearing forms the second connection end.

6. The engine thrust washer load testing apparatus of claim 5, wherein, The compression shaft is provided with a center pin away from the thrust bearing, the center pin is formed with a pointed end towards one end of the compression shaft, the surface of the compression shaft is formed with a groove matched with the pointed end, and the other end of the center pin away from the compression shaft is used to connect with the transition plate.

7. The engine thrust washer load testing apparatus of claim 1, wherein: The driving mechanism includes: Linear transmission mechanism, the linear transmission mechanism is horizontally fixed on the second support; Connecting plate, one end of the connecting plate is connected with the tension sensor, the other end of the connecting plate is connected with the telescopic end of the linear transmission mechanism, and any position between the two ends of the connecting plate is movably connected with the second support to form a lever fulcrum.

8. The engine thrust washer load testing apparatus of claim 7, wherein, The connecting plate is connected with the tension-compression sensor and / or the connecting plate is connected with the linear transmission mechanism through a Y-shaped joint and an I-shaped joint.

9. The engine thrust washer load testing apparatus of claim 7, wherein, The linear transmission mechanism is an electric cylinder.

10. The engine thrust washer load testing apparatus of any one of claims 1-9, wherein, The transition plate is connected with the tension-compression sensor through a connecting rope.

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