Guide wheel device for moving dynamometer

Abstract

The utility model discloses a guide wheel device for moving a dynamometer, which relates to the transmission system test technology and comprises a base, a lower flange plate, an upper flange plate, a left support plate, a guide wheel, a positioning shaft and a right support plate which are connected through the two flange plates, and the guide wheel device can rotate 360 degrees for connection to realize variable angle adjustment. The guide wheel device longitudinally moves along the gap of the iron floor, can be mounted at any mounting position of a test room, and is reasonably matched with a hook to form an included angle, so that the direction of the force of the crown block is changed by 90 degrees, the dynamometer is convenient to move, a better rotating angle is provided for the dynamometer, the dynamometer can be rotated more quickly, the mounting period is greatly prolonged, the manpower is saved, and the working efficiency is improved. And the safety of workers is ensured.

Description

Technical Field

[0001] The utility model relates to a transmission system test technology, in particular to a guide wheel device used for moving a dynamometer. Background Art

[0002] The transmission semi-anechoic chamber is mainly used for vibration and noise performance testing of passenger car electric drive assemblies, drive axles, gearboxes, transfer cases and other assemblies, transmission operation mode and torsional vibration characteristics testing, transmission NVH simulation testing of front-wheel drive, rear-wheel drive and four-wheel drive modes of the whole vehicle transmission system, NVH testing of partial assemblies (engine, exhaust system, etc.) in the whole vehicle state, etc. The laboratory has strong functions and wide coverage.

[0003] In the semi-anechoic chamber of the transmission system, various transmission system vibration and noise tests can be carried out. There are 5 dynamometers in the semi-anechoic chamber of the transmission system, including one drive dynamometer and four load dynamometers. One drive dynamometer and two load dynamometers are movable dynamometers, and the No. 1 drive dynamometer weighs 3 tons. According to the different test component test requirements, the rear-wheel drive and four-wheel drive models are tested, and the dynamometer output shaft needs to be as shown in the attached Figure 1 As shown in the layout, the front front drive reducer and motor need to be rotated 90 degrees. In view of this, the angle of the 3-ton dynamometer needs to be adjusted frequently. The existing method relies entirely on manpower and simple tools, such as crowbars and cranes, which waste manpower and time every time they are turned, and are prone to damage to the equipment, and there is a problem of harming the personnel involved in the movement. Because the walls in the test room are sound-absorbing spikes and the space is limited, large equipment cannot be used to move the No. 1 dynamometer, which requires a lot of time and is prone to damage the tools. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model conceives a guide wheel device for moving a dynamometer. The guide wheel device cooperates with a crown crane to change the direction of the crown crane force by 90 degrees, thereby providing the dynamometer with a better rotation angle and allowing the dynamometer to be moved quickly.

[0005] The technical solution adopted to realize the utility model is: a guide wheel device for moving a dynamometer, characterized in that it comprises: a base 1, a lower flange 2, an upper flange 3, a left support plate 4, a guide wheel 5, a positioning shaft 6 and a right support plate 7, a lower flange 2 is arranged on the upper part of the base 1, the base 1 is fixedly connected to the lower flange 2, a group of through holes are respectively arranged on the edges of the lower flange 2 and the upper flange 3, the lower flange 2 is bolted to the upper flange 3, a left support plate 4 and a right support plate 7 are respectively arranged on the upper flange 3, the bottom of the left support plate 4 and the right support plate 7 are fixedly connected to the upper flange 3, a through hole is arranged on the top of the left support plate 4 and the right support plate 7, a guide wheel 5 is arranged between the left support plate 4 and the right support plate 7, the positioning shaft 6 passes through the left support plate 4, the guide wheel 5 and the right support plate 7 in sequence, the positioning shaft 6 is connected to the guide wheel 5 with clearance fit, and the positioning shaft 6 is connected to the left support plate 4 and the right support plate 7 with interference fit.

[0006] Furthermore, the base 1 is made of 45# steel.

[0007] Furthermore, the base 1 is connected to the lower flange 2 by welding.

[0008] Furthermore, the lower flange 2 and the upper flange 3 are made of Q235.

[0009] Furthermore, the positioning shaft 6 is made of 45# steel, and the 45# steel of the positioning shaft 6 has a tempered Brinell hardness of 250HB.

[0010] Furthermore, bearings are respectively arranged in the upper through holes of the left support plate 4 and the right support plate 7, the inner ring of the bearing is connected with the positioning shaft 6 with a clearance fit, and the through holes of the left support plate 4 and the right support plate 7 are connected with the outer ring of the bearing with a clearance fit.

[0011] Furthermore, the bearing is an angular contact ball bearing.

[0012] Furthermore, the left support plate 4 and the right support plate 7 are made of Q235.

[0013] Furthermore, the guide wheel 5 is made of 45# steel, and the guide wheel 5 is made of 45# steel. The tempered Brinell hardness of the 45# steel of the guide wheel 5 is 250HB.

[0014] The beneficial technical effects of the guide wheel device for moving a dynamometer of the utility model are embodied in:

[0015] A guide wheel device for moving a dynamometer is connected via two flanges. The guide wheel device can be rotated 360 degrees to achieve variable angle adjustment. The guide wheel device moves longitudinally along the gap of the iron floor and can be installed at any installation position in the laboratory. The angle with the hook is reasonably matched to change the direction of the overhead crane force by 90 degrees, making it convenient to move the dynamometer, providing the dynamometer with a better rotation angle, and rotating the dynamometer faster, which will greatly improve the installation period, save manpower, and ensure the safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the arrangement of the dynamometer in the semi-anechoic chamber of the transmission system;

[0017] Figure 2 It is a front view of a guide wheel device used for moving a dynamometer;

[0018] Figure 3 It is a bottom view of a guide wheel device used for moving a dynamometer;

[0019] Figure 4 It is an exploded view of a guide wheel device used for dynamometer movement;

[0020] Figure 5 is a schematic diagram of a guide wheel device for moving a dynamometer in an embodiment;

[0021] In the figure: 1. base, 2. lower flange, 3. upper flange, 4. left support plate, 5. guide wheel, 6. positioning shaft, 7. right support plate, 8. dynamometer, 9. overhead crane hook, 10. wire rope, 11. guide wheel device for moving the dynamometer. DETAILED DESCRIPTION

[0022] The following is combined with Figures 1 to 5 The present invention will be further described in detail with reference to the specific implementation methods. To make the purpose, technical solutions and advantages of the implementation methods clearer, the technical solutions in the implementation methods will be clearly and completely described in combination with the drawings in the implementation methods of the present invention. The specific implementation methods described here are only used to explain the present invention and are not used to limit the scope of the present invention.

[0023] As attached Figures 2 to 4As shown, a guide wheel device for moving a dynamometer comprises: a base 1, a lower flange 2, an upper flange 3, a left support plate 4, a guide wheel 5, a positioning shaft 6 and a right support plate 7, wherein the lower flange 2 is arranged on the upper part of the base 1, the base 1 is made of 45 steel, the base 1 is welded to the lower flange 2, the lower flange 2 and the upper flange 3 are made of Q235, a group of through holes are respectively arranged on the edges of the lower flange 2 and the upper flange 3, the lower flange 2 is bolted to the upper flange 3, the left support plate 4 and the right support plate 7 are respectively arranged on the upper flange 3, the left The bottom of the support plate 4 and the right support plate 7 are fixedly connected to the upper flange 3, and through holes are arranged on the top of the left support plate 4 and the right support plate 7. The left support plate 4 and the right support plate 7 are made of Q235. A guide wheel 5 is arranged between the left support plate 4 and the right support plate 7. The positioning shaft 6 passes through the left support plate 4, the guide wheel 5 and the right support plate 7 in sequence. The positioning shaft 6 is made of 45 steel, which is quenched and tempered at 250. The positioning shaft 6 is connected with the guide wheel 5 with clearance fit. The guide wheel 5 is made of 45 steel, which is quenched and tempered at 250. The positioning shaft 6 is connected with the left support plate 4 and the right support plate 7 by interference fit.

[0024] Embodiment 1:

[0025] As attached Figure 1 As shown, in the semi-anechoic chamber of the transmission system, after a test is completed, the operator needs to replace the test bench. If the two tests are of different types, it is necessary to move the No. 1 dynamometer (providing power), which is heavy and inconvenient to move; the guide wheel device 11 for moving the dynamometer is installed in the gap of the iron floor and can be installed at any position, such as the attached Figure 5 As shown, four hooks are arranged on the dynamometer 8, and the guide wheel device 11 for moving the dynamometer reasonably matches the angle with the four hooks, and is connected to the overhead crane hook 9 through a steel wire rope 10, so that the direction of the overhead crane force changes by 90 degrees. The dynamometer 8 can be installed at any position in the semi-anechoic chamber of the transmission system, providing a better rotation angle for the dynamometer 8, and the dynamometer 8 can be rotated or moved faster, and the overhead crane power is used to save time and labor, reduce the number of operators, and shorten the test cycle.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A guide wheel device for moving a dynamometer, characterized in that it include: A base (1), a lower flange (2), an upper flange (3), a left support plate (4), a guide wheel (5), a positioning shaft (6) and a right support plate (7), wherein the lower flange (2) is arranged on the upper part of the base (1), the base (1) is fixedly connected to the lower flange (2), a group of through holes are respectively arranged on the edges of the lower flange (2) and the upper flange (3), the lower flange (2) is bolted to the upper flange (3), and the left support plate (4) and the right support plate (7) are respectively arranged on the upper flange (3) The bottom of the left support plate (4) and the right support plate (7) are fixedly connected to the upper flange (3), through holes are arranged on the tops of the left support plate (4) and the right support plate (7), a guide wheel (5) is arranged between the left support plate (4) and the right support plate (7), the positioning shaft (6) passes through the left support plate (4), the guide wheel (5) and the right support plate (7) in sequence, the positioning shaft (6) is connected to the guide wheel (5) with clearance fit, and the positioning shaft (6) is respectively connected to the left support plate (4) and the right support plate (7) with interference fit.

2. A guide wheel device for moving a dynamometer according to claim 1, characterized in that: The base (1) is made of 45# steel.

3. A guide wheel device for moving a dynamometer according to claim 1, characterized in that: The base (1) is connected to the lower flange (2) by welding.

4. A guide wheel device for moving a dynamometer according to claim 1, characterized in that: The lower flange (2) and the upper flange (3) are made of Q235.

5. A guide wheel device for moving a dynamometer according to claim 1, characterized in that: The positioning shaft (6) is made of 45# steel, and the quenched and tempered 45# steel of the positioning shaft (6) has a Brinell hardness of 250HB.

6. A guide wheel device for moving a dynamometer according to claim 1, characterized in that Bearings are respectively arranged in the upper through holes of the left support plate (4) and the right support plate (7); the inner ring of the bearing is connected with the positioning shaft (6) in a clearance fit; and the through holes of the left support plate (4) and the right support plate (7) are connected with the outer ring of the bearing in a clearance fit.

7. A guide wheel device for moving a dynamometer according to claim 6, characterized in that: The bearing is an angular contact ball bearing.

8. The guide wheel device for moving a dynamometer according to claim 1, characterized in that: The left support plate (4) and the right support plate (7) are made of Q235.

9. The guide wheel device for moving a dynamometer according to claim 1, characterized in that: The guide wheel (5) is made of 45# steel, and the quenched and tempered Brinell hardness of the 45# steel of the guide wheel (5) is 250HB.

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