Timing chain tensioner testing device

Abstract

The utility model belongs to the technical field of tensioner testing, and particularly relates to a timing chain tensioner testing device which comprises a base, a driving assembly is arranged on the surface of the base, a transverse block is fixedly connected to the inner wall of the driving assembly, a sliding groove is formed in the surface of the base, an adjusting groove is formed in the surface of an installation assembly in a penetrating mode, and the transverse block is fixedly connected to the inner wall of the sliding groove. And the surface of the fastening assembly is fixedly connected with a tensioner fixing block. When different tensioners are installed, the piston of the tensioner fixed on the connecting frame can directly face the pressure sensor, the displacement sensor can record the displacement information of the ejector rod and transmit the displacement information to an external processing device, and then when the ejector rod drives the pressure sensor to continuously move, the piston of the tensioner can directly face the pressure sensor. At the moment, the pressure sensor extrudes the piston, the pressure sensor records and transmits pressure information, pressure can be conveniently applied to the tensioner at the moment, meanwhile, the distance between the bolt holes can be adjusted, and then the device can adapt to installation testing of different tensioners.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tensioner test, concretely to a timing chain tensioner testing device. BACKGROUND

[0002] Timing chain tensioner is used for engine timing chain transmission to avoid the problems such as looseness, vibration and poor engagement of chain when the engine runs at high speed. The displacement-output force characteristic of chain tensioner piston within the stroke, i.e. thrust performance, and the displacement rollback amount of piston when pressure loading at a certain position, i.e. pressure performance, are important features for evaluating the performance of chain tensioner, so a timing chain tensioner testing device is needed.

[0003] Chinese patent (authorized announcement number: CN101581627B, authorized announcement date: 2011-05-04) proposes a chain tensioner comprehensive performance testing device, which comprises a test assembly, a machine base assembly and an electrical control assembly; the test assembly comprises a hollow screw rod, the screw rod is connected with a screw sleeve through transmission threads; a gear is connected with the screw sleeve and a motor respectively, the screw sleeve is rotatably connected with the machine base assembly; a top rod sleeve is installed in the inner cavity of the screw rod, and the top rod top is connected with a push rod.

[0004] For the disclosed technology, the chain tensioner comprehensive performance testing device, in the research of chain tensioner performance testing device, the part for installing the tested timing chain tensioner cannot adjust the distance of the bolt hole, and thus cannot install tensioners of different sizes, so the applicability is affected. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a timing chain tensioner testing device, which solves the problems in the background.

[0006] To achieve the above object, the utility model is implemented by the following technical scheme:

[0007] A timing chain tensioner testing device, comprising a base, the surface of the base is provided with a driving assembly, the inner wall of the driving assembly is fixedly connected with a cross piece, the surface of the driving assembly is provided with a mobile pressure applying assembly for tensioner piston test, the surface of the cross piece is fixedly connected with a displacement sensor, the surface of the mobile pressure applying assembly is provided with a connecting assembly for tensioner piston test, the surface of the connecting assembly is provided with a pressure sensor, the surface of the base is provided with a sliding groove, the inner wall of the sliding groove is provided with a mounting assembly for tensioner mounting, the surface of the mounting assembly is provided with an adjusting groove, the surface of the mounting assembly is provided with a fastening assembly through the adjusting groove, and the surface of the fastening assembly is fixedly connected with a tensioner fixing block.

[0008] Further, the driving assembly comprises a connecting seat, the surface of the base is fixedly connected with the connecting seat, and the cross block is connected with the connecting seat, the inner wall of the connecting seat is fixedly connected with a connecting piece, the surface of the connecting piece is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the rotating shaft is rotationally connected with the connecting piece.

[0009] Further, the moving pressure applying assembly comprises a threaded rod, the surface of the connecting seat is rotationally connected with the threaded rod, the threaded rod is rotationally connected with the cross block, the threaded rod is fixedly connected with the rotating shaft, the surface of the threaded rod is screwedly connected with a sliding block, the surface of the sliding block is fixedly connected with a mounting block, and the mounting block is arranged on the surface of the connecting seat.

[0010] Further, the connecting assembly comprises a fixing seat, the surface of the mounting block is fixedly connected with the fixing seat, the inner wall of the fixing seat is fixedly inserted with a top rod, one end of the top rod is connected with a push rod of the displacement sensor, and a pressure sensor is arranged at the end of the top rod away from the displacement sensor.

[0011] Further, the mounting assembly comprises a moving block, the inner wall of the sliding groove is slidingly connected with the moving block, the top surface of the moving block is fixedly connected with a support, the surface of the support is fixedly connected with a sleeve, the inner wall of the sleeve is screwedly connected with a threaded locking rod, the threaded locking rod is screwedly connected with the support, the surface of the support is fixedly connected with a connecting frame, and the adjusting groove is arranged on the surface of the connecting frame.

[0012] Further, the fastening assembly comprises a threaded plug rod, the threaded plug rod is movably inserted through the inner wall of the adjusting groove of the connecting frame, the tensioner fixed block is fixedly connected with the threaded plug rod, the surface of the threaded plug rod movably sleeves with an annular gasket, and the surface of the threaded plug rod is screwedly connected with a nut.

[0013] Beneficial effects

[0014] The utility model provides a pipeline protection structure convenient to dismount, compared with prior art has the following beneficial effects:

[0015] The timing chain tensioner testing device, when installing different tensioners, according to the size of the tensioner, through the setting of the fastening assembly, the position of the tensioner fixing block can be adjusted, the installation and fixation of the tensioner are completed, the setting of the sliding groove, the installation assembly can move in the inside of the sliding groove, so that the piston of the tensioner fixed on the connecting frame can face the pressure sensor, and then the compression performance test of the tensioner can be carried out, the driving assembly drives the moving pressure assembly to move, the installation block drives the connecting assembly to move, the installation block first drives the pressure sensor to contact the piston of the tensioner, one end of the jacking rod is connected with the push rod end of the displacement sensor, the displacement sensor can record the displacement information of the jacking rod and transmit the displacement information to the external processing device, then when the jacking rod drives the pressure sensor to continue to displace, the pressure sensor extrudes the piston at this time, the pressure sensor records and transmits the pressure information, transmits the pressure to the processing device, and then according to the obtained data, the compression performance test is completed; at this time, the tensioner can be conveniently compressed, and the spacing of the bolt holes can be adjusted, so that the installation and test of different tensioners can be adapted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a main body of the utility model positive equal structure schematic view;

[0017] Figure 2 It is a test main body structure right view schematic view;

[0018] Figure 3 It is the A place structure of the utility model enlarged schematic view;

[0019] Figure 4 It is the tensioner installation structure of the utility model expansion schematic view;

[0020] Figure 5 It is the B place structure of the utility model enlarged schematic view.

[0021] In the drawing: 1, base; 2, driving assembly; 201, connecting seat; 202, connecting piece; 203, motor; 204, shaft; 3, cross block; 4, moving pressure assembly; 401, threaded rod; 402, sliding block; 403, installation block; 5, displacement sensor; 6, connecting assembly; 601, fixed seat; 602, jacking rod; 7, pressure sensor; 8, sliding groove; 9, installation assembly; 901, moving block; 902, support; 903, sleeve; 904, threaded lock rod; 905, connecting frame; 10, adjusting groove; 11, fastening assembly; 1101, threaded plug rod; 1102, annular gasket; 1103, nut; 12, tensioner fixing block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A timing chain tensioner testing device, as shown in the drawings, comprises a base 1, the surface of the base 1 is provided with a driving assembly 2, the inner wall of the driving assembly 2 is fixedly connected with a cross piece 3, the surface of the driving assembly 2 is provided with a moving pressure assembly 4 for tensioner piston testing, the surface of the cross piece 3 is fixedly connected with a displacement sensor 5, the surface of the moving pressure assembly 4 is provided with a connecting assembly 6 for tensioner piston testing, the surface of the connecting assembly 6 is provided with a pressure sensor 7, the surface of the base 1 is provided with a sliding groove 8, the inner wall of the sliding groove 8 is provided with an installation assembly 9 for tensioner installation, the surface of the installation assembly 9 is provided with an adjusting groove 10, the surface of the installation assembly 9 is provided with a fastening assembly 11 through the adjusting groove 10, and the surface of the fastening assembly 11 is fixedly connected with a tensioner fixing block 12. Specifically, when the performance of the piston of the tensioner is tested, the installation assembly 9 can move in the inside of the sliding groove 8, the position can be adjusted according to the size of the tensioner when different tensioners are tested, the piston position can be aligned with the pressure sensor 7 after the tensioner is installed on the tensioner fixing block 12, the distance between the tensioner fixing blocks 12 can be adjusted through the arrangement of the fastening assembly 11 on the installation assembly 9, and then different sizes of tensioners can be installed and fixed. When testing, the moving pressure assembly 4 is driven to move by the driving assembly 2, the connecting assembly 6 is arranged on the moving pressure assembly 4, the connecting assembly 6 moves, the push rod of the displacement sensor 5 moves along with the connecting assembly 6, the displacement information is measured and transmitted, the end of the connecting assembly 6 is in contact with the piston through the pressure sensor 7, the piston of the tensioner is extruded when the displacement sensor 7 is displaced, the pressure information is transmitted by the pressure sensor 7, the information is transmitted to the control equipment by the displacement sensor 5 and the pressure sensor 7 for processing, and the performance of the piston of the tensioner is obtained. At this time, the tensioner can be conveniently pressed, the distance between the bolt holes can be adjusted, and then the installation and testing of different tensioners can be adapted.

[0024] As Figure 1 , Figure 2As shown, the driving assembly 2 comprises a connecting seat 201, the surface of the base 1 is fixedly connected with the connecting seat 201, and the cross block 3 is connected with the connecting seat 201. The inner wall of the connecting seat 201 is fixedly connected with a connecting piece 202, the surface of the connecting piece 202 is fixedly connected with a motor 203, the output end of the motor 203 is fixedly connected with a rotating shaft 204, and the rotating shaft 204 is rotatably connected with the connecting piece 202. Specifically, the driving assembly 2 is provided. When the performance of the piston of the tensioner is tested, after the tensioner is installed, the driving assembly 2 drives the moving pressure assembly 4 to move. The connecting seat 201 is installed on the base 1, the motor 203 operates, the output end of the motor 203 drives the rotating shaft 204 to rotate on the connecting piece 202, and the rotating shaft 204 cooperates with the moving pressure assembly 4 for use.

[0025] As shown in Figure 2 , Figure 3 , the moving pressure assembly 4 comprises a threaded rod 401, the surface of the connecting seat 201 is rotatably connected with the threaded rod 401, and the threaded rod 401 is rotatably connected with the cross block 3. The threaded rod 401 is fixedly connected with the rotating shaft 204, the surface of the threaded rod 401 is threadedly connected with a sliding block 402, the surface of the sliding block 402 is fixedly connected with a mounting block 403, and the mounting block 403 is arranged on the surface of the connecting seat 201. Specifically, the moving pressure assembly 4 is provided. When tested, the threaded rod 401 is driven to rotate by the rotating shaft 204. After the threaded rod 401 rotates, the sliding block 402 on the surface is driven to move. The sliding block 402 drives the mounting block 403 to translate on the surface of the connecting seat 201. At this time, the mounting block 403 drives the connecting assembly 6 to move.

[0026] As shown in Figure 1 , Figure 3 , the connecting assembly 6 comprises a fixed seat 601, the surface of the mounting block 403 is fixedly connected with the fixed seat 601, the inner wall of the fixed seat 601 is fixedly inserted with a top rod 602, one end of the top rod 602 is connected with the push rod of the displacement sensor 5, and the pressure sensor 7 is arranged at the end of the top rod 602 away from the displacement sensor 5. Specifically, the connecting assembly 6 is provided. The fixed seat 601 is used for installing and fixing the top rod 602. The mounting block 403 first drives the pressure sensor 7 to contact the piston of the tensioner. One end of the top rod 602 is connected with the push rod end of the displacement sensor 5. The displacement sensor 5 can record the displacement information of the top rod 602 and transmit the displacement information to the external processing device. When the pressure sensor 7 continues to displace driven by the top rod 602, the pressure sensor 7 extrudes the piston at this time. The pressure sensor 7 records and transmits the pressure information to the processing device. According to the obtained data, the displacement retreat amount of the piston when the pressure is loaded at a certain position is recorded, and the pressure performance test is completed.

[0027] As shown in Figure 4 ,Figure 5 As shown in the figure, the mounting assembly 9 comprises a moving block 901, the inner wall of the sliding groove 8 is slidingly connected with the moving block 901, the top surface of the moving block 901 is fixedly connected with a support 902, the surface of the support 902 is fixedly connected with a sleeve 903, the inner wall of the sleeve 903 is threadedly connected with a threaded locking rod 904, and the threaded locking rod 904 is threadedly connected with the support 902, the surface of the support 902 is fixedly connected with a connecting frame 905, and the adjusting groove 10 is provided through the surface of the connecting frame 905; Specifically, the mounting assembly 9 is provided, the mounting assembly 9 can move in the inside of the sliding groove 8, the threaded locking rod 904 can rotate in the sleeve 903, the frictional limiting of the support 902 is released, at this time the moving block 901 can displace in the sliding groove 8, the moving block 901 drives the support 902 to displace, the support 902 drives the connecting frame 905 to displace, so that the piston of the tensioner fixed on the connecting frame 905 can face the pressure sensor 7, and then the pressure sensor 7 can effectively extrude the piston of the tensioner according to the installation of different tensioners, and then the tensioner pressure performance test can be carried out.

[0028] As shown in the figure, Figure 4 , Figure 5 As shown in the figure, the fastening assembly 11 comprises a threaded plug rod 1101, the threaded plug rod 1101 is movably inserted into the adjusting groove 10 through the inner wall of the adjusting groove 10, and the tensioner fixing block 12 is fixedly connected with the threaded plug rod 1101, the surface of the threaded plug rod 1101 movably sleeves the annular gasket 1102, and the surface of the threaded plug rod 1101 is threadedly connected with the nut 1103; Specifically, the fastening assembly 11 is provided, the position of the tensioner fixing block 12 can be adjusted, the nut 1103 is twisted by a wrench at this time, the annular gasket 1102 is away from the surface of the connecting frame 905, so that the threaded plug rod 1101 can displace in the adjusting groove 10, thereby driving the position of the tensioner fixing block 12 to complete the adjustment, and then the nut 1103 is tightened again, so that the annular gasket 1102 is attached to the surface of the connecting frame 905, the position of the tensioner fixing block 12 is fixed, and then the bolt hole position of the tensioner fixing block 12 can be adjusted according to different tensioners, and the installation and fixation of the tensioner are completed.

[0029] Working principle: the timing chain tensioner test device, when testing the performance of the tensioner piston, the installation assembly 9 is provided, the connecting frame 905 is provided with a tensioner fixing block 12 through the fastening assembly 11, the tensioner fixing block 12 is used for the installation of the tensioner, when installing different tensioners, according to the size of the tensioner, the position of the tensioner fixing block 12 can be adjusted through the fastening assembly 11, the nut 1103 is tightened by a wrench, at this time the annular gasket 1102 is away from the surface of the connecting frame 905, so that the threaded rod 1101 can displace in the adjusting groove 10, and then the position of the tensioner fixing block 12 is adjusted, and then the nut 1103 is tightened again, so that the annular gasket 1102 is attached to the surface of the connecting frame 905, the position of the tensioner fixing block 12 is fixed, the installation of the tensioner is completed, the sliding groove 8 is provided, the installation assembly 9 can move in the sliding groove 8, the threaded lock rod 904 can rotate in the sleeve 903, the friction limiting of the support 902 is released, at this time the moving block 901 can displace in the sliding groove 8, the moving block 901 drives the support 902 to displace, the support 902 drives the connecting frame 905 to displace, so that the piston of the tensioner fixed on the connecting frame 905 can face the pressure sensor 7, and then the compression performance test of the tensioner can be carried out, the driving assembly 2 drives the moving pressure assembly 4 to move, the output end of the motor 203 drives the rotating shaft 204 to rotate on the connecting piece 202, the rotating shaft 204 drives the threaded rod 401 to rotate, after the threaded rod 401 rotates, the sliding block 402 on the surface is driven to move, the sliding block 402 drives the mounting block 403 to translate on the surface of the connecting seat 201, at this time the mounting block 403 drives the connecting assembly 6 to move, the mounting block 403 first drives the pressure sensor 7 to contact the piston of the tensioner, one end of the jacking rod 602 is connected with the push rod end of the displacement sensor 5, the displacement sensor 5 can record the displacement information of the jacking rod 602 and transmit the displacement information to the external processing device, then when the jacking rod 602 drives the pressure sensor 7 to continue to displace, the pressure sensor 7 extrudes the piston at this time, the pressure sensor 7 records and transmits the pressure information to the processing device, then according to the obtained data, the compression performance test is completed.

[0030] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A timing chain tensioner test device comprising a base (1), characterised in that: The surface of the base (1) is provided with a driving assembly (2), the inner wall of the driving assembly (2) is fixedly connected with a cross block (3), the surface of the driving assembly (2) is provided with a moving pressure assembly (4) for tensioner piston test, the surface of the cross block (3) is fixedly connected with a displacement sensor (5), the surface of the moving pressure assembly (4) is provided with a connecting assembly (6) for tensioner piston test, the surface of the connecting assembly (6) is provided with a pressure sensor (7), the surface of the base (1) is provided with a sliding groove (8), the inner wall of the sliding groove (8) is provided with a mounting assembly (9) for tensioner installation, the surface of the mounting assembly (9) is provided with an adjusting groove (10), and the surface of the mounting assembly (9) is provided with a fastening assembly (11) through the adjusting groove (10), and the surface of the fastening assembly (11) is fixedly connected with a tensioner fixing block (12).

2. A timing chain tensioner test device according to claim 1, characterized in that: The driving assembly (2) comprises a connecting seat (201), the surface of the base (1) is fixedly connected with the connecting seat (201), and the cross block (3) is connected with the connecting seat (201), the inner wall of the connecting seat (201) is fixedly connected with a connecting piece (202), the surface of the connecting piece (202) is fixedly connected with a motor (203), the output end of the motor (203) is fixedly connected with a rotating shaft (204), and the rotating shaft (204) is rotatably connected with the connecting piece (202).

3. A timing chain tensioner test device according to claim 2, characterized in that: The moving pressure assembly (4) comprises a threaded rod (401), the surface of the connecting seat (201) is rotatably connected with the threaded rod (401), the threaded rod (401) is rotatably connected with the cross block (3), the threaded rod (401) is fixedly connected with the rotating shaft (204), the surface of the threaded rod (401) is screwedly connected with a sliding block (402), the surface of the sliding block (402) is fixedly connected with a mounting block (403), and the mounting block (403) is arranged on the surface of the connecting seat (201).

4. A timing chain tensioner test device according to claim 3, characterized in that: The connecting assembly (6) comprises a fixing seat (601), the surface of the mounting block (403) is fixedly connected with the fixing seat (601), the inner wall of the fixing seat (601) is fixedly inserted with a jacking rod (602), one end of the jacking rod (602) is connected with a push rod of the displacement sensor (5), and the pressure sensor (7) is arranged at the end, away from the displacement sensor (5), of the jacking rod (602).

5. A timing chain tensioner test device as in claim 1, wherein: The mounting assembly (9) comprises a moving block (901), the inner wall of the sliding groove (8) is slidably connected with the moving block (901), the top surface of the moving block (901) is fixedly connected with a support (902), the surface of the support (902) is fixedly connected with a sleeve (903), the inner wall of the sleeve (903) is screwedly connected with a threaded locking rod (904), the threaded locking rod (904) is screwedly connected with the support (902), the surface of the support (902) is fixedly connected with a connecting frame (905), and the adjusting groove (10) is arranged on the surface of the connecting frame (905).

6. A timing chain tensioner test device according to claim 5, characterized in that: The fastening assembly (11) comprises a threaded plug (1101), the connecting frame (905) is movably inserted with the threaded plug (1101) through the inner wall of the adjusting groove (10), and the tensioner fixing block (12) is fixedly connected with the threaded plug (1101); the surface of the threaded plug (1101) is movably sleeved with an annular gasket (1102); and the surface of the threaded plug (1101) is threadedly connected with a nut (1103).

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